mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-09-04 20:19:47 +08:00
9945a24798
This patch fix a spelling typo in error message. Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2686 lines
65 KiB
C
2686 lines
65 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Intel Speed Select -- Enumerate and control features
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* Copyright (c) 2019 Intel Corporation.
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*/
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#include <linux/isst_if.h>
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#include "isst.h"
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struct process_cmd_struct {
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char *feature;
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char *command;
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void (*process_fn)(int arg);
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int arg;
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};
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static const char *version_str = "v1.3";
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static const int supported_api_ver = 1;
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static struct isst_if_platform_info isst_platform_info;
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static char *progname;
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static int debug_flag;
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static FILE *outf;
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static int cpu_model;
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static int cpu_stepping;
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#define MAX_CPUS_IN_ONE_REQ 64
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static short max_target_cpus;
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static unsigned short target_cpus[MAX_CPUS_IN_ONE_REQ];
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static int topo_max_cpus;
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static size_t present_cpumask_size;
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static cpu_set_t *present_cpumask;
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static size_t target_cpumask_size;
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static cpu_set_t *target_cpumask;
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static int tdp_level = 0xFF;
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static int fact_bucket = 0xFF;
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static int fact_avx = 0xFF;
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static unsigned long long fact_trl;
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static int out_format_json;
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static int cmd_help;
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static int force_online_offline;
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static int auto_mode;
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static int fact_enable_fail;
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/* clos related */
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static int current_clos = -1;
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static int clos_epp = -1;
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static int clos_prop_prio = -1;
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static int clos_min = -1;
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static int clos_max = -1;
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static int clos_desired = -1;
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static int clos_priority_type;
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struct _cpu_map {
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unsigned short core_id;
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unsigned short pkg_id;
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unsigned short die_id;
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unsigned short punit_cpu;
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unsigned short punit_cpu_core;
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};
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struct _cpu_map *cpu_map;
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struct cpu_topology {
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short cpu;
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short core_id;
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short pkg_id;
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short die_id;
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};
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FILE *get_output_file(void)
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{
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return outf;
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}
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void debug_printf(const char *format, ...)
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{
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va_list args;
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va_start(args, format);
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if (debug_flag)
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vprintf(format, args);
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va_end(args);
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}
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int is_clx_n_platform(void)
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{
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if (cpu_model == 0x55)
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if (cpu_stepping == 0x6 || cpu_stepping == 0x7)
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return 1;
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return 0;
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}
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int is_skx_based_platform(void)
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{
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if (cpu_model == 0x55)
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return 1;
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return 0;
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}
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static int update_cpu_model(void)
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{
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unsigned int ebx, ecx, edx;
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unsigned int fms, family;
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__cpuid(1, fms, ebx, ecx, edx);
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family = (fms >> 8) & 0xf;
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cpu_model = (fms >> 4) & 0xf;
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if (family == 6 || family == 0xf)
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cpu_model += ((fms >> 16) & 0xf) << 4;
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cpu_stepping = fms & 0xf;
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/* only three CascadeLake-N models are supported */
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if (is_clx_n_platform()) {
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FILE *fp;
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size_t n = 0;
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char *line = NULL;
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int ret = 1;
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fp = fopen("/proc/cpuinfo", "r");
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if (!fp)
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err(-1, "cannot open /proc/cpuinfo\n");
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while (getline(&line, &n, fp) > 0) {
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if (strstr(line, "model name")) {
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if (strstr(line, "6252N") ||
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strstr(line, "6230N") ||
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strstr(line, "5218N"))
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ret = 0;
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break;
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}
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}
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free(line);
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fclose(fp);
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return ret;
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}
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return 0;
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}
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/* Open a file, and exit on failure */
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static FILE *fopen_or_exit(const char *path, const char *mode)
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{
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FILE *filep = fopen(path, mode);
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if (!filep)
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err(1, "%s: open failed", path);
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return filep;
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}
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/* Parse a file containing a single int */
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static int parse_int_file(int fatal, const char *fmt, ...)
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{
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va_list args;
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char path[PATH_MAX];
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FILE *filep;
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int value;
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va_start(args, fmt);
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vsnprintf(path, sizeof(path), fmt, args);
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va_end(args);
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if (fatal) {
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filep = fopen_or_exit(path, "r");
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} else {
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filep = fopen(path, "r");
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if (!filep)
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return -1;
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}
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if (fscanf(filep, "%d", &value) != 1)
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err(1, "%s: failed to parse number from file", path);
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fclose(filep);
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return value;
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}
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int cpufreq_sysfs_present(void)
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{
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DIR *dir;
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dir = opendir("/sys/devices/system/cpu/cpu0/cpufreq");
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if (dir) {
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closedir(dir);
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return 1;
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}
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return 0;
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}
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int out_format_is_json(void)
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{
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return out_format_json;
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}
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static int get_stored_topology_info(int cpu, int *core_id, int *pkg_id, int *die_id)
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{
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const char *pathname = "/tmp/isst_cpu_topology.dat";
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struct cpu_topology cpu_top;
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FILE *fp;
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int ret;
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fp = fopen(pathname, "rb");
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if (!fp)
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return -1;
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ret = fseek(fp, cpu * sizeof(cpu_top), SEEK_SET);
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if (ret)
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goto err_ret;
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ret = fread(&cpu_top, sizeof(cpu_top), 1, fp);
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if (ret != 1) {
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ret = -1;
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goto err_ret;
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}
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*pkg_id = cpu_top.pkg_id;
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*core_id = cpu_top.core_id;
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*die_id = cpu_top.die_id;
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ret = 0;
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err_ret:
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fclose(fp);
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return ret;
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}
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static void store_cpu_topology(void)
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{
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const char *pathname = "/tmp/isst_cpu_topology.dat";
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FILE *fp;
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int i;
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fp = fopen(pathname, "rb");
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if (fp) {
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/* Mapping already exists */
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fclose(fp);
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return;
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}
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fp = fopen(pathname, "wb");
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if (!fp) {
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fprintf(stderr, "Can't create file:%s\n", pathname);
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return;
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}
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for (i = 0; i < topo_max_cpus; ++i) {
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struct cpu_topology cpu_top;
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cpu_top.core_id = parse_int_file(0,
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"/sys/devices/system/cpu/cpu%d/topology/core_id", i);
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if (cpu_top.core_id < 0)
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cpu_top.core_id = -1;
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cpu_top.pkg_id = parse_int_file(0,
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"/sys/devices/system/cpu/cpu%d/topology/physical_package_id", i);
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if (cpu_top.pkg_id < 0)
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cpu_top.pkg_id = -1;
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cpu_top.die_id = parse_int_file(0,
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"/sys/devices/system/cpu/cpu%d/topology/die_id", i);
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if (cpu_top.die_id < 0)
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cpu_top.die_id = -1;
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cpu_top.cpu = i;
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if (fwrite(&cpu_top, sizeof(cpu_top), 1, fp) != 1) {
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fprintf(stderr, "Can't write to:%s\n", pathname);
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break;
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}
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}
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fclose(fp);
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}
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int get_physical_package_id(int cpu)
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{
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int ret;
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ret = parse_int_file(0,
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"/sys/devices/system/cpu/cpu%d/topology/physical_package_id",
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cpu);
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if (ret < 0) {
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int core_id, pkg_id, die_id;
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ret = get_stored_topology_info(cpu, &core_id, &pkg_id, &die_id);
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if (!ret)
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return pkg_id;
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}
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return ret;
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}
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int get_physical_core_id(int cpu)
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{
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int ret;
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ret = parse_int_file(0,
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"/sys/devices/system/cpu/cpu%d/topology/core_id",
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cpu);
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if (ret < 0) {
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int core_id, pkg_id, die_id;
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ret = get_stored_topology_info(cpu, &core_id, &pkg_id, &die_id);
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if (!ret)
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return core_id;
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}
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return ret;
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}
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int get_physical_die_id(int cpu)
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{
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int ret;
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ret = parse_int_file(0,
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"/sys/devices/system/cpu/cpu%d/topology/die_id",
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cpu);
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if (ret < 0) {
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int core_id, pkg_id, die_id;
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ret = get_stored_topology_info(cpu, &core_id, &pkg_id, &die_id);
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if (!ret)
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return die_id;
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}
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if (ret < 0)
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ret = 0;
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return ret;
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}
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int get_cpufreq_base_freq(int cpu)
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{
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return parse_int_file(0, "/sys/devices/system/cpu/cpu%d/cpufreq/base_frequency", cpu);
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}
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int get_topo_max_cpus(void)
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{
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return topo_max_cpus;
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}
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static void set_cpu_online_offline(int cpu, int state)
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{
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char buffer[128];
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int fd, ret;
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snprintf(buffer, sizeof(buffer),
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"/sys/devices/system/cpu/cpu%d/online", cpu);
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fd = open(buffer, O_WRONLY);
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if (fd < 0) {
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if (!cpu && state) {
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fprintf(stderr, "This system is not configured for CPU 0 online/offline\n");
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fprintf(stderr, "Ignoring online request for CPU 0 as this is already online\n");
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return;
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}
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err(-1, "%s open failed", buffer);
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}
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if (state)
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ret = write(fd, "1\n", 2);
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else
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ret = write(fd, "0\n", 2);
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if (ret == -1)
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perror("Online/Offline: Operation failed\n");
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close(fd);
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}
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#define MAX_PACKAGE_COUNT 8
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#define MAX_DIE_PER_PACKAGE 2
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static void for_each_online_package_in_set(void (*callback)(int, void *, void *,
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void *, void *),
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void *arg1, void *arg2, void *arg3,
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void *arg4)
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{
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int max_packages[MAX_PACKAGE_COUNT * MAX_PACKAGE_COUNT];
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int pkg_index = 0, i;
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memset(max_packages, 0xff, sizeof(max_packages));
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for (i = 0; i < topo_max_cpus; ++i) {
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int j, online, pkg_id, die_id = 0, skip = 0;
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if (!CPU_ISSET_S(i, present_cpumask_size, present_cpumask))
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continue;
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if (i)
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online = parse_int_file(
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1, "/sys/devices/system/cpu/cpu%d/online", i);
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else
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online =
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1; /* online entry for CPU 0 needs some special configs */
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die_id = get_physical_die_id(i);
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if (die_id < 0)
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die_id = 0;
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pkg_id = parse_int_file(0,
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"/sys/devices/system/cpu/cpu%d/topology/physical_package_id", i);
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if (pkg_id < 0)
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continue;
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/* Create an unique id for package, die combination to store */
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pkg_id = (MAX_PACKAGE_COUNT * pkg_id + die_id);
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for (j = 0; j < pkg_index; ++j) {
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if (max_packages[j] == pkg_id) {
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skip = 1;
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break;
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}
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}
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if (!skip && online && callback) {
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callback(i, arg1, arg2, arg3, arg4);
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max_packages[pkg_index++] = pkg_id;
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}
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}
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}
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static void for_each_online_target_cpu_in_set(
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void (*callback)(int, void *, void *, void *, void *), void *arg1,
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void *arg2, void *arg3, void *arg4)
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{
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int i, found = 0;
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for (i = 0; i < topo_max_cpus; ++i) {
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int online;
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if (!CPU_ISSET_S(i, target_cpumask_size, target_cpumask))
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continue;
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if (i)
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online = parse_int_file(
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1, "/sys/devices/system/cpu/cpu%d/online", i);
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else
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online =
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1; /* online entry for CPU 0 needs some special configs */
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if (online && callback) {
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callback(i, arg1, arg2, arg3, arg4);
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found = 1;
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}
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}
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if (!found)
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fprintf(stderr, "No valid CPU in the list\n");
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}
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#define BITMASK_SIZE 32
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static void set_max_cpu_num(void)
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{
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FILE *filep;
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unsigned long dummy;
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int i;
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topo_max_cpus = 0;
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for (i = 0; i < 256; ++i) {
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char path[256];
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snprintf(path, sizeof(path),
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"/sys/devices/system/cpu/cpu%d/topology/thread_siblings", i);
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filep = fopen(path, "r");
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if (filep)
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break;
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}
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if (!filep) {
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fprintf(stderr, "Can't get max cpu number\n");
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exit(0);
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}
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while (fscanf(filep, "%lx,", &dummy) == 1)
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topo_max_cpus += BITMASK_SIZE;
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fclose(filep);
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debug_printf("max cpus %d\n", topo_max_cpus);
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}
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size_t alloc_cpu_set(cpu_set_t **cpu_set)
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{
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cpu_set_t *_cpu_set;
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size_t size;
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_cpu_set = CPU_ALLOC((topo_max_cpus + 1));
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if (_cpu_set == NULL)
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err(3, "CPU_ALLOC");
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size = CPU_ALLOC_SIZE((topo_max_cpus + 1));
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CPU_ZERO_S(size, _cpu_set);
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*cpu_set = _cpu_set;
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return size;
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}
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void free_cpu_set(cpu_set_t *cpu_set)
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{
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CPU_FREE(cpu_set);
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}
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static int cpu_cnt[MAX_PACKAGE_COUNT][MAX_DIE_PER_PACKAGE];
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static long long core_mask[MAX_PACKAGE_COUNT][MAX_DIE_PER_PACKAGE];
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static void set_cpu_present_cpu_mask(void)
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{
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size_t size;
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DIR *dir;
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int i;
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size = alloc_cpu_set(&present_cpumask);
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present_cpumask_size = size;
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for (i = 0; i < topo_max_cpus; ++i) {
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char buffer[256];
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snprintf(buffer, sizeof(buffer),
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"/sys/devices/system/cpu/cpu%d", i);
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dir = opendir(buffer);
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if (dir) {
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int pkg_id, die_id;
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CPU_SET_S(i, size, present_cpumask);
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die_id = get_physical_die_id(i);
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if (die_id < 0)
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die_id = 0;
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pkg_id = get_physical_package_id(i);
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if (pkg_id < 0) {
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fprintf(stderr, "Failed to get package id, CPU %d may be offline\n", i);
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continue;
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}
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if (pkg_id < MAX_PACKAGE_COUNT &&
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die_id < MAX_DIE_PER_PACKAGE) {
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int core_id = get_physical_core_id(i);
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cpu_cnt[pkg_id][die_id]++;
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core_mask[pkg_id][die_id] |= (1ULL << core_id);
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}
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}
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closedir(dir);
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}
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}
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int get_core_count(int pkg_id, int die_id)
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{
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int cnt = 0;
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if (pkg_id < MAX_PACKAGE_COUNT && die_id < MAX_DIE_PER_PACKAGE) {
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int i;
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for (i = 0; i < sizeof(long long) * 8; ++i) {
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if (core_mask[pkg_id][die_id] & (1ULL << i))
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cnt++;
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}
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}
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|
|
return cnt;
|
|
}
|
|
|
|
int get_cpu_count(int pkg_id, int die_id)
|
|
{
|
|
if (pkg_id < MAX_PACKAGE_COUNT && die_id < MAX_DIE_PER_PACKAGE)
|
|
return cpu_cnt[pkg_id][die_id];
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void set_cpu_target_cpu_mask(void)
|
|
{
|
|
size_t size;
|
|
int i;
|
|
|
|
size = alloc_cpu_set(&target_cpumask);
|
|
target_cpumask_size = size;
|
|
for (i = 0; i < max_target_cpus; ++i) {
|
|
if (!CPU_ISSET_S(target_cpus[i], present_cpumask_size,
|
|
present_cpumask))
|
|
continue;
|
|
|
|
CPU_SET_S(target_cpus[i], size, target_cpumask);
|
|
}
|
|
}
|
|
|
|
static void create_cpu_map(void)
|
|
{
|
|
const char *pathname = "/dev/isst_interface";
|
|
int i, fd = 0;
|
|
struct isst_if_cpu_maps map;
|
|
|
|
cpu_map = malloc(sizeof(*cpu_map) * topo_max_cpus);
|
|
if (!cpu_map)
|
|
err(3, "cpumap");
|
|
|
|
fd = open(pathname, O_RDWR);
|
|
if (fd < 0)
|
|
err(-1, "%s open failed", pathname);
|
|
|
|
for (i = 0; i < topo_max_cpus; ++i) {
|
|
if (!CPU_ISSET_S(i, present_cpumask_size, present_cpumask))
|
|
continue;
|
|
|
|
map.cmd_count = 1;
|
|
map.cpu_map[0].logical_cpu = i;
|
|
|
|
debug_printf(" map logical_cpu:%d\n",
|
|
map.cpu_map[0].logical_cpu);
|
|
if (ioctl(fd, ISST_IF_GET_PHY_ID, &map) == -1) {
|
|
perror("ISST_IF_GET_PHY_ID");
|
|
fprintf(outf, "Error: map logical_cpu:%d\n",
|
|
map.cpu_map[0].logical_cpu);
|
|
continue;
|
|
}
|
|
cpu_map[i].core_id = get_physical_core_id(i);
|
|
cpu_map[i].pkg_id = get_physical_package_id(i);
|
|
cpu_map[i].die_id = get_physical_die_id(i);
|
|
cpu_map[i].punit_cpu = map.cpu_map[0].physical_cpu;
|
|
cpu_map[i].punit_cpu_core = (map.cpu_map[0].physical_cpu >>
|
|
1); // shift to get core id
|
|
|
|
debug_printf(
|
|
"map logical_cpu:%d core: %d die:%d pkg:%d punit_cpu:%d punit_core:%d\n",
|
|
i, cpu_map[i].core_id, cpu_map[i].die_id,
|
|
cpu_map[i].pkg_id, cpu_map[i].punit_cpu,
|
|
cpu_map[i].punit_cpu_core);
|
|
}
|
|
|
|
if (fd)
|
|
close(fd);
|
|
}
|
|
|
|
int find_logical_cpu(int pkg_id, int die_id, int punit_core_id)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < topo_max_cpus; ++i) {
|
|
if (cpu_map[i].pkg_id == pkg_id &&
|
|
cpu_map[i].die_id == die_id &&
|
|
cpu_map[i].punit_cpu_core == punit_core_id)
|
|
return i;
|
|
}
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
void set_cpu_mask_from_punit_coremask(int cpu, unsigned long long core_mask,
|
|
size_t core_cpumask_size,
|
|
cpu_set_t *core_cpumask, int *cpu_cnt)
|
|
{
|
|
int i, cnt = 0;
|
|
int die_id, pkg_id;
|
|
|
|
*cpu_cnt = 0;
|
|
die_id = get_physical_die_id(cpu);
|
|
pkg_id = get_physical_package_id(cpu);
|
|
|
|
for (i = 0; i < 64; ++i) {
|
|
if (core_mask & BIT(i)) {
|
|
int j;
|
|
|
|
for (j = 0; j < topo_max_cpus; ++j) {
|
|
if (!CPU_ISSET_S(j, present_cpumask_size, present_cpumask))
|
|
continue;
|
|
|
|
if (cpu_map[j].pkg_id == pkg_id &&
|
|
cpu_map[j].die_id == die_id &&
|
|
cpu_map[j].punit_cpu_core == i) {
|
|
CPU_SET_S(j, core_cpumask_size,
|
|
core_cpumask);
|
|
++cnt;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
*cpu_cnt = cnt;
|
|
}
|
|
|
|
int find_phy_core_num(int logical_cpu)
|
|
{
|
|
if (logical_cpu < topo_max_cpus)
|
|
return cpu_map[logical_cpu].punit_cpu_core;
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int isst_send_mmio_command(unsigned int cpu, unsigned int reg, int write,
|
|
unsigned int *value)
|
|
{
|
|
struct isst_if_io_regs io_regs;
|
|
const char *pathname = "/dev/isst_interface";
|
|
int cmd;
|
|
int fd;
|
|
|
|
debug_printf("mmio_cmd cpu:%d reg:%d write:%d\n", cpu, reg, write);
|
|
|
|
fd = open(pathname, O_RDWR);
|
|
if (fd < 0)
|
|
err(-1, "%s open failed", pathname);
|
|
|
|
io_regs.req_count = 1;
|
|
io_regs.io_reg[0].logical_cpu = cpu;
|
|
io_regs.io_reg[0].reg = reg;
|
|
cmd = ISST_IF_IO_CMD;
|
|
if (write) {
|
|
io_regs.io_reg[0].read_write = 1;
|
|
io_regs.io_reg[0].value = *value;
|
|
} else {
|
|
io_regs.io_reg[0].read_write = 0;
|
|
}
|
|
|
|
if (ioctl(fd, cmd, &io_regs) == -1) {
|
|
if (errno == ENOTTY) {
|
|
perror("ISST_IF_IO_COMMAND\n");
|
|
fprintf(stderr, "Check presence of kernel modules: isst_if_mmio\n");
|
|
exit(0);
|
|
}
|
|
fprintf(outf, "Error: mmio_cmd cpu:%d reg:%x read_write:%x\n",
|
|
cpu, reg, write);
|
|
} else {
|
|
if (!write)
|
|
*value = io_regs.io_reg[0].value;
|
|
|
|
debug_printf(
|
|
"mmio_cmd response: cpu:%d reg:%x rd_write:%x resp:%x\n",
|
|
cpu, reg, write, *value);
|
|
}
|
|
|
|
close(fd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int isst_send_mbox_command(unsigned int cpu, unsigned char command,
|
|
unsigned char sub_command, unsigned int parameter,
|
|
unsigned int req_data, unsigned int *resp)
|
|
{
|
|
const char *pathname = "/dev/isst_interface";
|
|
int fd;
|
|
struct isst_if_mbox_cmds mbox_cmds = { 0 };
|
|
|
|
debug_printf(
|
|
"mbox_send: cpu:%d command:%x sub_command:%x parameter:%x req_data:%x\n",
|
|
cpu, command, sub_command, parameter, req_data);
|
|
|
|
if (!is_skx_based_platform() && command == CONFIG_CLOS &&
|
|
sub_command != CLOS_PM_QOS_CONFIG) {
|
|
unsigned int value;
|
|
int write = 0;
|
|
int clos_id, core_id, ret = 0;
|
|
|
|
debug_printf("CPU %d\n", cpu);
|
|
|
|
if (parameter & BIT(MBOX_CMD_WRITE_BIT)) {
|
|
value = req_data;
|
|
write = 1;
|
|
}
|
|
|
|
switch (sub_command) {
|
|
case CLOS_PQR_ASSOC:
|
|
core_id = parameter & 0xff;
|
|
ret = isst_send_mmio_command(
|
|
cpu, PQR_ASSOC_OFFSET + core_id * 4, write,
|
|
&value);
|
|
if (!ret && !write)
|
|
*resp = value;
|
|
break;
|
|
case CLOS_PM_CLOS:
|
|
clos_id = parameter & 0x03;
|
|
ret = isst_send_mmio_command(
|
|
cpu, PM_CLOS_OFFSET + clos_id * 4, write,
|
|
&value);
|
|
if (!ret && !write)
|
|
*resp = value;
|
|
break;
|
|
case CLOS_STATUS:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
mbox_cmds.cmd_count = 1;
|
|
mbox_cmds.mbox_cmd[0].logical_cpu = cpu;
|
|
mbox_cmds.mbox_cmd[0].command = command;
|
|
mbox_cmds.mbox_cmd[0].sub_command = sub_command;
|
|
mbox_cmds.mbox_cmd[0].parameter = parameter;
|
|
mbox_cmds.mbox_cmd[0].req_data = req_data;
|
|
|
|
fd = open(pathname, O_RDWR);
|
|
if (fd < 0)
|
|
err(-1, "%s open failed", pathname);
|
|
|
|
if (ioctl(fd, ISST_IF_MBOX_COMMAND, &mbox_cmds) == -1) {
|
|
if (errno == ENOTTY) {
|
|
perror("ISST_IF_MBOX_COMMAND\n");
|
|
fprintf(stderr, "Check presence of kernel modules: isst_if_mbox_pci or isst_if_mbox_msr\n");
|
|
exit(0);
|
|
}
|
|
debug_printf(
|
|
"Error: mbox_cmd cpu:%d command:%x sub_command:%x parameter:%x req_data:%x errorno:%d\n",
|
|
cpu, command, sub_command, parameter, req_data, errno);
|
|
return -1;
|
|
} else {
|
|
*resp = mbox_cmds.mbox_cmd[0].resp_data;
|
|
debug_printf(
|
|
"mbox_cmd response: cpu:%d command:%x sub_command:%x parameter:%x req_data:%x resp:%x\n",
|
|
cpu, command, sub_command, parameter, req_data, *resp);
|
|
}
|
|
|
|
close(fd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int isst_send_msr_command(unsigned int cpu, unsigned int msr, int write,
|
|
unsigned long long *req_resp)
|
|
{
|
|
struct isst_if_msr_cmds msr_cmds;
|
|
const char *pathname = "/dev/isst_interface";
|
|
int fd;
|
|
|
|
fd = open(pathname, O_RDWR);
|
|
if (fd < 0)
|
|
err(-1, "%s open failed", pathname);
|
|
|
|
msr_cmds.cmd_count = 1;
|
|
msr_cmds.msr_cmd[0].logical_cpu = cpu;
|
|
msr_cmds.msr_cmd[0].msr = msr;
|
|
msr_cmds.msr_cmd[0].read_write = write;
|
|
if (write)
|
|
msr_cmds.msr_cmd[0].data = *req_resp;
|
|
|
|
if (ioctl(fd, ISST_IF_MSR_COMMAND, &msr_cmds) == -1) {
|
|
perror("ISST_IF_MSR_COMMAND");
|
|
fprintf(outf, "Error: msr_cmd cpu:%d msr:%x read_write:%d\n",
|
|
cpu, msr, write);
|
|
} else {
|
|
if (!write)
|
|
*req_resp = msr_cmds.msr_cmd[0].data;
|
|
|
|
debug_printf(
|
|
"msr_cmd response: cpu:%d msr:%x rd_write:%x resp:%llx %llx\n",
|
|
cpu, msr, write, *req_resp, msr_cmds.msr_cmd[0].data);
|
|
}
|
|
|
|
close(fd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int isst_fill_platform_info(void)
|
|
{
|
|
const char *pathname = "/dev/isst_interface";
|
|
int fd;
|
|
|
|
fd = open(pathname, O_RDWR);
|
|
if (fd < 0)
|
|
err(-1, "%s open failed", pathname);
|
|
|
|
if (ioctl(fd, ISST_IF_GET_PLATFORM_INFO, &isst_platform_info) == -1) {
|
|
perror("ISST_IF_GET_PLATFORM_INFO");
|
|
close(fd);
|
|
return -1;
|
|
}
|
|
|
|
close(fd);
|
|
|
|
if (isst_platform_info.api_version > supported_api_ver) {
|
|
printf("Incompatible API versions; Upgrade of tool is required\n");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void isst_print_extended_platform_info(void)
|
|
{
|
|
int cp_state, cp_cap, fact_support = 0, pbf_support = 0;
|
|
struct isst_pkg_ctdp_level_info ctdp_level;
|
|
struct isst_pkg_ctdp pkg_dev;
|
|
int ret, i, j;
|
|
FILE *filep;
|
|
|
|
for (i = 0; i < 256; ++i) {
|
|
char path[256];
|
|
|
|
snprintf(path, sizeof(path),
|
|
"/sys/devices/system/cpu/cpu%d/topology/thread_siblings", i);
|
|
filep = fopen(path, "r");
|
|
if (filep)
|
|
break;
|
|
}
|
|
|
|
if (!filep)
|
|
return;
|
|
|
|
fclose(filep);
|
|
|
|
ret = isst_get_ctdp_levels(i, &pkg_dev);
|
|
if (ret)
|
|
return;
|
|
|
|
if (pkg_dev.enabled) {
|
|
fprintf(outf, "Intel(R) SST-PP (feature perf-profile) is supported\n");
|
|
} else {
|
|
fprintf(outf, "Intel(R) SST-PP (feature perf-profile) is not supported\n");
|
|
fprintf(outf, "Only performance level 0 (base level) is present\n");
|
|
}
|
|
|
|
if (pkg_dev.locked)
|
|
fprintf(outf, "TDP level change control is locked\n");
|
|
else
|
|
fprintf(outf, "TDP level change control is unlocked, max level: %d \n", pkg_dev.levels);
|
|
|
|
for (j = 0; j <= pkg_dev.levels; ++j) {
|
|
ret = isst_get_ctdp_control(i, j, &ctdp_level);
|
|
if (ret)
|
|
continue;
|
|
|
|
if (!fact_support && ctdp_level.fact_support)
|
|
fact_support = 1;
|
|
|
|
if (!pbf_support && ctdp_level.pbf_support)
|
|
pbf_support = 1;
|
|
}
|
|
|
|
if (fact_support)
|
|
fprintf(outf, "Intel(R) SST-TF (feature turbo-freq) is supported\n");
|
|
else
|
|
fprintf(outf, "Intel(R) SST-TF (feature turbo-freq) is not supported\n");
|
|
|
|
if (pbf_support)
|
|
fprintf(outf, "Intel(R) SST-BF (feature base-freq) is supported\n");
|
|
else
|
|
fprintf(outf, "Intel(R) SST-BF (feature base-freq) is not supported\n");
|
|
|
|
ret = isst_read_pm_config(i, &cp_state, &cp_cap);
|
|
if (cp_cap)
|
|
fprintf(outf, "Intel(R) SST-CP (feature core-power) is supported\n");
|
|
else
|
|
fprintf(outf, "Intel(R) SST-CP (feature core-power) is not supported\n");
|
|
}
|
|
|
|
static void isst_print_platform_information(void)
|
|
{
|
|
struct isst_if_platform_info platform_info;
|
|
const char *pathname = "/dev/isst_interface";
|
|
int fd;
|
|
|
|
if (is_clx_n_platform()) {
|
|
fprintf(stderr, "\nThis option in not supported on this platform\n");
|
|
exit(0);
|
|
}
|
|
|
|
fd = open(pathname, O_RDWR);
|
|
if (fd < 0)
|
|
err(-1, "%s open failed", pathname);
|
|
|
|
if (ioctl(fd, ISST_IF_GET_PLATFORM_INFO, &platform_info) == -1) {
|
|
perror("ISST_IF_GET_PLATFORM_INFO");
|
|
} else {
|
|
fprintf(outf, "Platform: API version : %d\n",
|
|
platform_info.api_version);
|
|
fprintf(outf, "Platform: Driver version : %d\n",
|
|
platform_info.driver_version);
|
|
fprintf(outf, "Platform: mbox supported : %d\n",
|
|
platform_info.mbox_supported);
|
|
fprintf(outf, "Platform: mmio supported : %d\n",
|
|
platform_info.mmio_supported);
|
|
isst_print_extended_platform_info();
|
|
}
|
|
|
|
close(fd);
|
|
|
|
exit(0);
|
|
}
|
|
|
|
static char *local_str0, *local_str1;
|
|
static void exec_on_get_ctdp_cpu(int cpu, void *arg1, void *arg2, void *arg3,
|
|
void *arg4)
|
|
{
|
|
int (*fn_ptr)(int cpu, void *arg);
|
|
int ret;
|
|
|
|
fn_ptr = arg1;
|
|
ret = fn_ptr(cpu, arg2);
|
|
if (ret)
|
|
isst_display_error_info_message(1, "get_tdp_* failed", 0, 0);
|
|
else
|
|
isst_ctdp_display_core_info(cpu, outf, arg3,
|
|
*(unsigned int *)arg4,
|
|
local_str0, local_str1);
|
|
}
|
|
|
|
#define _get_tdp_level(desc, suffix, object, help, str0, str1) \
|
|
static void get_tdp_##object(int arg) \
|
|
{ \
|
|
struct isst_pkg_ctdp ctdp; \
|
|
\
|
|
if (cmd_help) { \
|
|
fprintf(stderr, \
|
|
"Print %s [No command arguments are required]\n", \
|
|
help); \
|
|
exit(0); \
|
|
} \
|
|
local_str0 = str0; \
|
|
local_str1 = str1; \
|
|
isst_ctdp_display_information_start(outf); \
|
|
if (max_target_cpus) \
|
|
for_each_online_target_cpu_in_set( \
|
|
exec_on_get_ctdp_cpu, isst_get_ctdp_##suffix, \
|
|
&ctdp, desc, &ctdp.object); \
|
|
else \
|
|
for_each_online_package_in_set(exec_on_get_ctdp_cpu, \
|
|
isst_get_ctdp_##suffix, \
|
|
&ctdp, desc, \
|
|
&ctdp.object); \
|
|
isst_ctdp_display_information_end(outf); \
|
|
}
|
|
|
|
_get_tdp_level("get-config-levels", levels, levels, "Max TDP level", NULL, NULL);
|
|
_get_tdp_level("get-config-version", levels, version, "TDP version", NULL, NULL);
|
|
_get_tdp_level("get-config-enabled", levels, enabled, "perf-profile enable status", "disabled", "enabled");
|
|
_get_tdp_level("get-config-current_level", levels, current_level,
|
|
"Current TDP Level", NULL, NULL);
|
|
_get_tdp_level("get-lock-status", levels, locked, "TDP lock status", "unlocked", "locked");
|
|
|
|
struct isst_pkg_ctdp clx_n_pkg_dev;
|
|
|
|
static int clx_n_get_base_ratio(void)
|
|
{
|
|
FILE *fp;
|
|
char *begin, *end, *line = NULL;
|
|
char number[5];
|
|
float value = 0;
|
|
size_t n = 0;
|
|
|
|
fp = fopen("/proc/cpuinfo", "r");
|
|
if (!fp)
|
|
err(-1, "cannot open /proc/cpuinfo\n");
|
|
|
|
while (getline(&line, &n, fp) > 0) {
|
|
if (strstr(line, "model name")) {
|
|
/* this is true for CascadeLake-N */
|
|
begin = strstr(line, "@ ") + 2;
|
|
end = strstr(line, "GHz");
|
|
strncpy(number, begin, end - begin);
|
|
value = atof(number) * 10;
|
|
break;
|
|
}
|
|
}
|
|
free(line);
|
|
fclose(fp);
|
|
|
|
return (int)(value);
|
|
}
|
|
|
|
static int clx_n_config(int cpu)
|
|
{
|
|
int i, ret, pkg_id, die_id;
|
|
unsigned long cpu_bf;
|
|
struct isst_pkg_ctdp_level_info *ctdp_level;
|
|
struct isst_pbf_info *pbf_info;
|
|
|
|
ctdp_level = &clx_n_pkg_dev.ctdp_level[0];
|
|
pbf_info = &ctdp_level->pbf_info;
|
|
ctdp_level->core_cpumask_size =
|
|
alloc_cpu_set(&ctdp_level->core_cpumask);
|
|
|
|
/* find the frequency base ratio */
|
|
ctdp_level->tdp_ratio = clx_n_get_base_ratio();
|
|
if (ctdp_level->tdp_ratio == 0) {
|
|
debug_printf("CLX: cn base ratio is zero\n");
|
|
ret = -1;
|
|
goto error_ret;
|
|
}
|
|
|
|
/* find the high and low priority frequencies */
|
|
pbf_info->p1_high = 0;
|
|
pbf_info->p1_low = ~0;
|
|
|
|
pkg_id = get_physical_package_id(cpu);
|
|
die_id = get_physical_die_id(cpu);
|
|
|
|
for (i = 0; i < topo_max_cpus; i++) {
|
|
if (!CPU_ISSET_S(i, present_cpumask_size, present_cpumask))
|
|
continue;
|
|
|
|
if (pkg_id != get_physical_package_id(i) ||
|
|
die_id != get_physical_die_id(i))
|
|
continue;
|
|
|
|
CPU_SET_S(i, ctdp_level->core_cpumask_size,
|
|
ctdp_level->core_cpumask);
|
|
|
|
cpu_bf = parse_int_file(1,
|
|
"/sys/devices/system/cpu/cpu%d/cpufreq/base_frequency",
|
|
i);
|
|
if (cpu_bf > pbf_info->p1_high)
|
|
pbf_info->p1_high = cpu_bf;
|
|
if (cpu_bf < pbf_info->p1_low)
|
|
pbf_info->p1_low = cpu_bf;
|
|
}
|
|
|
|
if (pbf_info->p1_high == ~0UL) {
|
|
debug_printf("CLX: maximum base frequency not set\n");
|
|
ret = -1;
|
|
goto error_ret;
|
|
}
|
|
|
|
if (pbf_info->p1_low == 0) {
|
|
debug_printf("CLX: minimum base frequency not set\n");
|
|
ret = -1;
|
|
goto error_ret;
|
|
}
|
|
|
|
/* convert frequencies back to ratios */
|
|
pbf_info->p1_high = pbf_info->p1_high / 100000;
|
|
pbf_info->p1_low = pbf_info->p1_low / 100000;
|
|
|
|
/* create high priority cpu mask */
|
|
pbf_info->core_cpumask_size = alloc_cpu_set(&pbf_info->core_cpumask);
|
|
for (i = 0; i < topo_max_cpus; i++) {
|
|
if (!CPU_ISSET_S(i, present_cpumask_size, present_cpumask))
|
|
continue;
|
|
|
|
if (pkg_id != get_physical_package_id(i) ||
|
|
die_id != get_physical_die_id(i))
|
|
continue;
|
|
|
|
cpu_bf = parse_int_file(1,
|
|
"/sys/devices/system/cpu/cpu%d/cpufreq/base_frequency",
|
|
i);
|
|
cpu_bf = cpu_bf / 100000;
|
|
if (cpu_bf == pbf_info->p1_high)
|
|
CPU_SET_S(i, pbf_info->core_cpumask_size,
|
|
pbf_info->core_cpumask);
|
|
}
|
|
|
|
/* extra ctdp & pbf struct parameters */
|
|
ctdp_level->processed = 1;
|
|
ctdp_level->pbf_support = 1; /* PBF is always supported and enabled */
|
|
ctdp_level->pbf_enabled = 1;
|
|
ctdp_level->fact_support = 0; /* FACT is never supported */
|
|
ctdp_level->fact_enabled = 0;
|
|
|
|
return 0;
|
|
|
|
error_ret:
|
|
free_cpu_set(ctdp_level->core_cpumask);
|
|
return ret;
|
|
}
|
|
|
|
static void dump_clx_n_config_for_cpu(int cpu, void *arg1, void *arg2,
|
|
void *arg3, void *arg4)
|
|
{
|
|
int ret;
|
|
|
|
if (tdp_level != 0xff && tdp_level != 0) {
|
|
isst_display_error_info_message(1, "Invalid level", 1, tdp_level);
|
|
exit(0);
|
|
}
|
|
|
|
ret = clx_n_config(cpu);
|
|
if (ret) {
|
|
debug_printf("clx_n_config failed");
|
|
} else {
|
|
struct isst_pkg_ctdp_level_info *ctdp_level;
|
|
struct isst_pbf_info *pbf_info;
|
|
|
|
ctdp_level = &clx_n_pkg_dev.ctdp_level[0];
|
|
pbf_info = &ctdp_level->pbf_info;
|
|
isst_ctdp_display_information(cpu, outf, tdp_level, &clx_n_pkg_dev);
|
|
free_cpu_set(ctdp_level->core_cpumask);
|
|
free_cpu_set(pbf_info->core_cpumask);
|
|
}
|
|
}
|
|
|
|
static void dump_isst_config_for_cpu(int cpu, void *arg1, void *arg2,
|
|
void *arg3, void *arg4)
|
|
{
|
|
struct isst_pkg_ctdp pkg_dev;
|
|
int ret;
|
|
|
|
memset(&pkg_dev, 0, sizeof(pkg_dev));
|
|
ret = isst_get_process_ctdp(cpu, tdp_level, &pkg_dev);
|
|
if (ret) {
|
|
isst_display_error_info_message(1, "Failed to get perf-profile info on cpu", 1, cpu);
|
|
isst_ctdp_display_information_end(outf);
|
|
exit(1);
|
|
} else {
|
|
isst_ctdp_display_information(cpu, outf, tdp_level, &pkg_dev);
|
|
isst_get_process_ctdp_complete(cpu, &pkg_dev);
|
|
}
|
|
}
|
|
|
|
static void dump_isst_config(int arg)
|
|
{
|
|
void *fn;
|
|
|
|
if (cmd_help) {
|
|
fprintf(stderr,
|
|
"Print Intel(R) Speed Select Technology Performance profile configuration\n");
|
|
fprintf(stderr,
|
|
"including base frequency and turbo frequency configurations\n");
|
|
fprintf(stderr, "Optional: -l|--level : Specify tdp level\n");
|
|
fprintf(stderr,
|
|
"\tIf no arguments, dump information for all TDP levels\n");
|
|
exit(0);
|
|
}
|
|
|
|
if (!is_clx_n_platform())
|
|
fn = dump_isst_config_for_cpu;
|
|
else
|
|
fn = dump_clx_n_config_for_cpu;
|
|
|
|
isst_ctdp_display_information_start(outf);
|
|
|
|
if (max_target_cpus)
|
|
for_each_online_target_cpu_in_set(fn, NULL, NULL, NULL, NULL);
|
|
else
|
|
for_each_online_package_in_set(fn, NULL, NULL, NULL, NULL);
|
|
|
|
isst_ctdp_display_information_end(outf);
|
|
}
|
|
|
|
static void set_tdp_level_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
|
|
void *arg4)
|
|
{
|
|
int ret;
|
|
|
|
ret = isst_set_tdp_level(cpu, tdp_level);
|
|
if (ret) {
|
|
isst_display_error_info_message(1, "Set TDP level failed", 0, 0);
|
|
isst_ctdp_display_information_end(outf);
|
|
exit(1);
|
|
} else {
|
|
isst_display_result(cpu, outf, "perf-profile", "set_tdp_level",
|
|
ret);
|
|
if (force_online_offline) {
|
|
struct isst_pkg_ctdp_level_info ctdp_level;
|
|
int pkg_id = get_physical_package_id(cpu);
|
|
int die_id = get_physical_die_id(cpu);
|
|
|
|
fprintf(stderr, "Option is set to online/offline\n");
|
|
ctdp_level.core_cpumask_size =
|
|
alloc_cpu_set(&ctdp_level.core_cpumask);
|
|
isst_get_coremask_info(cpu, tdp_level, &ctdp_level);
|
|
if (ctdp_level.cpu_count) {
|
|
int i, max_cpus = get_topo_max_cpus();
|
|
for (i = 0; i < max_cpus; ++i) {
|
|
if (pkg_id != get_physical_package_id(i) || die_id != get_physical_die_id(i))
|
|
continue;
|
|
if (CPU_ISSET_S(i, ctdp_level.core_cpumask_size, ctdp_level.core_cpumask)) {
|
|
fprintf(stderr, "online cpu %d\n", i);
|
|
set_cpu_online_offline(i, 1);
|
|
} else {
|
|
fprintf(stderr, "offline cpu %d\n", i);
|
|
set_cpu_online_offline(i, 0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void set_tdp_level(int arg)
|
|
{
|
|
if (cmd_help) {
|
|
fprintf(stderr, "Set Config TDP level\n");
|
|
fprintf(stderr,
|
|
"\t Arguments: -l|--level : Specify tdp level\n");
|
|
fprintf(stderr,
|
|
"\t Optional Arguments: -o | online : online/offline for the tdp level\n");
|
|
fprintf(stderr,
|
|
"\t online/offline operation has limitations, refer to Linux hotplug documentation\n");
|
|
exit(0);
|
|
}
|
|
|
|
if (tdp_level == 0xff) {
|
|
isst_display_error_info_message(1, "Invalid command: specify tdp_level", 0, 0);
|
|
exit(1);
|
|
}
|
|
isst_ctdp_display_information_start(outf);
|
|
if (max_target_cpus)
|
|
for_each_online_target_cpu_in_set(set_tdp_level_for_cpu, NULL,
|
|
NULL, NULL, NULL);
|
|
else
|
|
for_each_online_package_in_set(set_tdp_level_for_cpu, NULL,
|
|
NULL, NULL, NULL);
|
|
isst_ctdp_display_information_end(outf);
|
|
}
|
|
|
|
static void clx_n_dump_pbf_config_for_cpu(int cpu, void *arg1, void *arg2,
|
|
void *arg3, void *arg4)
|
|
{
|
|
int ret;
|
|
|
|
ret = clx_n_config(cpu);
|
|
if (ret) {
|
|
isst_display_error_info_message(1, "clx_n_config failed", 0, 0);
|
|
} else {
|
|
struct isst_pkg_ctdp_level_info *ctdp_level;
|
|
struct isst_pbf_info *pbf_info;
|
|
|
|
ctdp_level = &clx_n_pkg_dev.ctdp_level[0];
|
|
pbf_info = &ctdp_level->pbf_info;
|
|
isst_pbf_display_information(cpu, outf, tdp_level, pbf_info);
|
|
free_cpu_set(ctdp_level->core_cpumask);
|
|
free_cpu_set(pbf_info->core_cpumask);
|
|
}
|
|
}
|
|
|
|
static void dump_pbf_config_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
|
|
void *arg4)
|
|
{
|
|
struct isst_pbf_info pbf_info;
|
|
int ret;
|
|
|
|
ret = isst_get_pbf_info(cpu, tdp_level, &pbf_info);
|
|
if (ret) {
|
|
isst_display_error_info_message(1, "Failed to get base-freq info at this level", 1, tdp_level);
|
|
isst_ctdp_display_information_end(outf);
|
|
exit(1);
|
|
} else {
|
|
isst_pbf_display_information(cpu, outf, tdp_level, &pbf_info);
|
|
isst_get_pbf_info_complete(&pbf_info);
|
|
}
|
|
}
|
|
|
|
static void dump_pbf_config(int arg)
|
|
{
|
|
void *fn;
|
|
|
|
if (cmd_help) {
|
|
fprintf(stderr,
|
|
"Print Intel(R) Speed Select Technology base frequency configuration for a TDP level\n");
|
|
fprintf(stderr,
|
|
"\tArguments: -l|--level : Specify tdp level\n");
|
|
exit(0);
|
|
}
|
|
|
|
if (tdp_level == 0xff) {
|
|
isst_display_error_info_message(1, "Invalid command: specify tdp_level", 0, 0);
|
|
exit(1);
|
|
}
|
|
|
|
if (!is_clx_n_platform())
|
|
fn = dump_pbf_config_for_cpu;
|
|
else
|
|
fn = clx_n_dump_pbf_config_for_cpu;
|
|
|
|
isst_ctdp_display_information_start(outf);
|
|
|
|
if (max_target_cpus)
|
|
for_each_online_target_cpu_in_set(fn, NULL, NULL, NULL, NULL);
|
|
else
|
|
for_each_online_package_in_set(fn, NULL, NULL, NULL, NULL);
|
|
|
|
isst_ctdp_display_information_end(outf);
|
|
}
|
|
|
|
static int set_clos_param(int cpu, int clos, int epp, int wt, int min, int max)
|
|
{
|
|
struct isst_clos_config clos_config;
|
|
int ret;
|
|
|
|
ret = isst_pm_get_clos(cpu, clos, &clos_config);
|
|
if (ret) {
|
|
isst_display_error_info_message(1, "isst_pm_get_clos failed", 0, 0);
|
|
return ret;
|
|
}
|
|
clos_config.clos_min = min;
|
|
clos_config.clos_max = max;
|
|
clos_config.epp = epp;
|
|
clos_config.clos_prop_prio = wt;
|
|
ret = isst_set_clos(cpu, clos, &clos_config);
|
|
if (ret) {
|
|
isst_display_error_info_message(1, "isst_set_clos failed", 0, 0);
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int set_cpufreq_scaling_min_max(int cpu, int max, int freq)
|
|
{
|
|
char buffer[128], freq_str[16];
|
|
int fd, ret, len;
|
|
|
|
if (max)
|
|
snprintf(buffer, sizeof(buffer),
|
|
"/sys/devices/system/cpu/cpu%d/cpufreq/scaling_max_freq", cpu);
|
|
else
|
|
snprintf(buffer, sizeof(buffer),
|
|
"/sys/devices/system/cpu/cpu%d/cpufreq/scaling_min_freq", cpu);
|
|
|
|
fd = open(buffer, O_WRONLY);
|
|
if (fd < 0)
|
|
return fd;
|
|
|
|
snprintf(freq_str, sizeof(freq_str), "%d", freq);
|
|
len = strlen(freq_str);
|
|
ret = write(fd, freq_str, len);
|
|
if (ret == -1) {
|
|
close(fd);
|
|
return ret;
|
|
}
|
|
close(fd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int set_clx_pbf_cpufreq_scaling_min_max(int cpu)
|
|
{
|
|
struct isst_pkg_ctdp_level_info *ctdp_level;
|
|
struct isst_pbf_info *pbf_info;
|
|
int i, pkg_id, die_id, freq, freq_high, freq_low;
|
|
int ret;
|
|
|
|
ret = clx_n_config(cpu);
|
|
if (ret) {
|
|
debug_printf("cpufreq_scaling_min_max failed for CLX");
|
|
return ret;
|
|
}
|
|
|
|
ctdp_level = &clx_n_pkg_dev.ctdp_level[0];
|
|
pbf_info = &ctdp_level->pbf_info;
|
|
freq_high = pbf_info->p1_high * 100000;
|
|
freq_low = pbf_info->p1_low * 100000;
|
|
|
|
pkg_id = get_physical_package_id(cpu);
|
|
die_id = get_physical_die_id(cpu);
|
|
for (i = 0; i < get_topo_max_cpus(); ++i) {
|
|
if (pkg_id != get_physical_package_id(i) ||
|
|
die_id != get_physical_die_id(i))
|
|
continue;
|
|
|
|
if (CPU_ISSET_S(i, pbf_info->core_cpumask_size,
|
|
pbf_info->core_cpumask))
|
|
freq = freq_high;
|
|
else
|
|
freq = freq_low;
|
|
|
|
set_cpufreq_scaling_min_max(i, 1, freq);
|
|
set_cpufreq_scaling_min_max(i, 0, freq);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int set_cpufreq_scaling_min_max_from_cpuinfo(int cpu, int cpuinfo_max, int scaling_max)
|
|
{
|
|
char buffer[128], min_freq[16];
|
|
int fd, ret, len;
|
|
|
|
if (!CPU_ISSET_S(cpu, present_cpumask_size, present_cpumask))
|
|
return -1;
|
|
|
|
if (cpuinfo_max)
|
|
snprintf(buffer, sizeof(buffer),
|
|
"/sys/devices/system/cpu/cpu%d/cpufreq/cpuinfo_max_freq", cpu);
|
|
else
|
|
snprintf(buffer, sizeof(buffer),
|
|
"/sys/devices/system/cpu/cpu%d/cpufreq/cpuinfo_min_freq", cpu);
|
|
|
|
fd = open(buffer, O_RDONLY);
|
|
if (fd < 0)
|
|
return fd;
|
|
|
|
len = read(fd, min_freq, sizeof(min_freq));
|
|
close(fd);
|
|
|
|
if (len < 0)
|
|
return len;
|
|
|
|
if (scaling_max)
|
|
snprintf(buffer, sizeof(buffer),
|
|
"/sys/devices/system/cpu/cpu%d/cpufreq/scaling_max_freq", cpu);
|
|
else
|
|
snprintf(buffer, sizeof(buffer),
|
|
"/sys/devices/system/cpu/cpu%d/cpufreq/scaling_min_freq", cpu);
|
|
|
|
fd = open(buffer, O_WRONLY);
|
|
if (fd < 0)
|
|
return fd;
|
|
|
|
len = strlen(min_freq);
|
|
ret = write(fd, min_freq, len);
|
|
if (ret == -1) {
|
|
close(fd);
|
|
return ret;
|
|
}
|
|
close(fd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void set_scaling_min_to_cpuinfo_max(int cpu)
|
|
{
|
|
int i, pkg_id, die_id;
|
|
|
|
pkg_id = get_physical_package_id(cpu);
|
|
die_id = get_physical_die_id(cpu);
|
|
for (i = 0; i < get_topo_max_cpus(); ++i) {
|
|
if (pkg_id != get_physical_package_id(i) ||
|
|
die_id != get_physical_die_id(i))
|
|
continue;
|
|
|
|
set_cpufreq_scaling_min_max_from_cpuinfo(i, 1, 0);
|
|
}
|
|
}
|
|
|
|
static void set_scaling_min_to_cpuinfo_min(int cpu)
|
|
{
|
|
int i, pkg_id, die_id;
|
|
|
|
pkg_id = get_physical_package_id(cpu);
|
|
die_id = get_physical_die_id(cpu);
|
|
for (i = 0; i < get_topo_max_cpus(); ++i) {
|
|
if (pkg_id != get_physical_package_id(i) ||
|
|
die_id != get_physical_die_id(i))
|
|
continue;
|
|
|
|
set_cpufreq_scaling_min_max_from_cpuinfo(i, 0, 0);
|
|
}
|
|
}
|
|
|
|
static void set_scaling_max_to_cpuinfo_max(int cpu)
|
|
{
|
|
int i, pkg_id, die_id;
|
|
|
|
pkg_id = get_physical_package_id(cpu);
|
|
die_id = get_physical_die_id(cpu);
|
|
for (i = 0; i < get_topo_max_cpus(); ++i) {
|
|
if (pkg_id != get_physical_package_id(i) ||
|
|
die_id != get_physical_die_id(i))
|
|
continue;
|
|
|
|
set_cpufreq_scaling_min_max_from_cpuinfo(i, 1, 1);
|
|
}
|
|
}
|
|
|
|
static int set_core_priority_and_min(int cpu, int mask_size,
|
|
cpu_set_t *cpu_mask, int min_high,
|
|
int min_low)
|
|
{
|
|
int pkg_id, die_id, ret, i;
|
|
|
|
if (!CPU_COUNT_S(mask_size, cpu_mask))
|
|
return -1;
|
|
|
|
ret = set_clos_param(cpu, 0, 0, 0, min_high, 0xff);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = set_clos_param(cpu, 1, 15, 15, min_low, 0xff);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = set_clos_param(cpu, 2, 15, 15, min_low, 0xff);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = set_clos_param(cpu, 3, 15, 15, min_low, 0xff);
|
|
if (ret)
|
|
return ret;
|
|
|
|
pkg_id = get_physical_package_id(cpu);
|
|
die_id = get_physical_die_id(cpu);
|
|
for (i = 0; i < get_topo_max_cpus(); ++i) {
|
|
int clos;
|
|
|
|
if (pkg_id != get_physical_package_id(i) ||
|
|
die_id != get_physical_die_id(i))
|
|
continue;
|
|
|
|
if (CPU_ISSET_S(i, mask_size, cpu_mask))
|
|
clos = 0;
|
|
else
|
|
clos = 3;
|
|
|
|
debug_printf("Associate cpu: %d clos: %d\n", i, clos);
|
|
ret = isst_clos_associate(i, clos);
|
|
if (ret) {
|
|
isst_display_error_info_message(1, "isst_clos_associate failed", 0, 0);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int set_pbf_core_power(int cpu)
|
|
{
|
|
struct isst_pbf_info pbf_info;
|
|
struct isst_pkg_ctdp pkg_dev;
|
|
int ret;
|
|
|
|
ret = isst_get_ctdp_levels(cpu, &pkg_dev);
|
|
if (ret) {
|
|
debug_printf("isst_get_ctdp_levels failed");
|
|
return ret;
|
|
}
|
|
debug_printf("Current_level: %d\n", pkg_dev.current_level);
|
|
|
|
ret = isst_get_pbf_info(cpu, pkg_dev.current_level, &pbf_info);
|
|
if (ret) {
|
|
debug_printf("isst_get_pbf_info failed");
|
|
return ret;
|
|
}
|
|
debug_printf("p1_high: %d p1_low: %d\n", pbf_info.p1_high,
|
|
pbf_info.p1_low);
|
|
|
|
ret = set_core_priority_and_min(cpu, pbf_info.core_cpumask_size,
|
|
pbf_info.core_cpumask,
|
|
pbf_info.p1_high, pbf_info.p1_low);
|
|
if (ret) {
|
|
debug_printf("set_core_priority_and_min failed");
|
|
return ret;
|
|
}
|
|
|
|
ret = isst_pm_qos_config(cpu, 1, 1);
|
|
if (ret) {
|
|
debug_printf("isst_pm_qos_config failed");
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void set_pbf_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
|
|
void *arg4)
|
|
{
|
|
int ret;
|
|
int status = *(int *)arg4;
|
|
|
|
if (is_clx_n_platform()) {
|
|
ret = 0;
|
|
if (status) {
|
|
set_clx_pbf_cpufreq_scaling_min_max(cpu);
|
|
|
|
} else {
|
|
set_scaling_max_to_cpuinfo_max(cpu);
|
|
set_scaling_min_to_cpuinfo_min(cpu);
|
|
}
|
|
goto disp_result;
|
|
}
|
|
|
|
if (auto_mode && status) {
|
|
ret = set_pbf_core_power(cpu);
|
|
if (ret)
|
|
goto disp_result;
|
|
}
|
|
|
|
ret = isst_set_pbf_fact_status(cpu, 1, status);
|
|
if (ret) {
|
|
debug_printf("isst_set_pbf_fact_status failed");
|
|
if (auto_mode)
|
|
isst_pm_qos_config(cpu, 0, 0);
|
|
} else {
|
|
if (auto_mode) {
|
|
if (status)
|
|
set_scaling_min_to_cpuinfo_max(cpu);
|
|
else
|
|
set_scaling_min_to_cpuinfo_min(cpu);
|
|
}
|
|
}
|
|
|
|
if (auto_mode && !status)
|
|
isst_pm_qos_config(cpu, 0, 1);
|
|
|
|
disp_result:
|
|
if (status)
|
|
isst_display_result(cpu, outf, "base-freq", "enable",
|
|
ret);
|
|
else
|
|
isst_display_result(cpu, outf, "base-freq", "disable",
|
|
ret);
|
|
}
|
|
|
|
static void set_pbf_enable(int arg)
|
|
{
|
|
int enable = arg;
|
|
|
|
if (cmd_help) {
|
|
if (enable) {
|
|
fprintf(stderr,
|
|
"Enable Intel Speed Select Technology base frequency feature\n");
|
|
if (is_clx_n_platform()) {
|
|
fprintf(stderr,
|
|
"\tOn this platform this command doesn't enable feature in the hardware.\n");
|
|
fprintf(stderr,
|
|
"\tIt updates the cpufreq scaling_min_freq to match cpufreq base_frequency.\n");
|
|
exit(0);
|
|
|
|
}
|
|
fprintf(stderr,
|
|
"\tOptional Arguments: -a|--auto : Use priority of cores to set core-power associations\n");
|
|
} else {
|
|
|
|
if (is_clx_n_platform()) {
|
|
fprintf(stderr,
|
|
"\tOn this platform this command doesn't disable feature in the hardware.\n");
|
|
fprintf(stderr,
|
|
"\tIt updates the cpufreq scaling_min_freq to match cpuinfo_min_freq\n");
|
|
exit(0);
|
|
}
|
|
fprintf(stderr,
|
|
"Disable Intel Speed Select Technology base frequency feature\n");
|
|
fprintf(stderr,
|
|
"\tOptional Arguments: -a|--auto : Also disable core-power associations\n");
|
|
}
|
|
exit(0);
|
|
}
|
|
|
|
isst_ctdp_display_information_start(outf);
|
|
if (max_target_cpus)
|
|
for_each_online_target_cpu_in_set(set_pbf_for_cpu, NULL, NULL,
|
|
NULL, &enable);
|
|
else
|
|
for_each_online_package_in_set(set_pbf_for_cpu, NULL, NULL,
|
|
NULL, &enable);
|
|
isst_ctdp_display_information_end(outf);
|
|
}
|
|
|
|
static void dump_fact_config_for_cpu(int cpu, void *arg1, void *arg2,
|
|
void *arg3, void *arg4)
|
|
{
|
|
struct isst_fact_info fact_info;
|
|
int ret;
|
|
|
|
ret = isst_get_fact_info(cpu, tdp_level, fact_bucket, &fact_info);
|
|
if (ret) {
|
|
isst_display_error_info_message(1, "Failed to get turbo-freq info at this level", 1, tdp_level);
|
|
isst_ctdp_display_information_end(outf);
|
|
exit(1);
|
|
} else {
|
|
isst_fact_display_information(cpu, outf, tdp_level, fact_bucket,
|
|
fact_avx, &fact_info);
|
|
}
|
|
}
|
|
|
|
static void dump_fact_config(int arg)
|
|
{
|
|
if (cmd_help) {
|
|
fprintf(stderr,
|
|
"Print complete Intel Speed Select Technology turbo frequency configuration for a TDP level. Other arguments are optional.\n");
|
|
fprintf(stderr,
|
|
"\tArguments: -l|--level : Specify tdp level\n");
|
|
fprintf(stderr,
|
|
"\tArguments: -b|--bucket : Bucket index to dump\n");
|
|
fprintf(stderr,
|
|
"\tArguments: -r|--trl-type : Specify trl type: sse|avx2|avx512\n");
|
|
exit(0);
|
|
}
|
|
|
|
if (tdp_level == 0xff) {
|
|
isst_display_error_info_message(1, "Invalid command: specify tdp_level\n", 0, 0);
|
|
exit(1);
|
|
}
|
|
|
|
isst_ctdp_display_information_start(outf);
|
|
if (max_target_cpus)
|
|
for_each_online_target_cpu_in_set(dump_fact_config_for_cpu,
|
|
NULL, NULL, NULL, NULL);
|
|
else
|
|
for_each_online_package_in_set(dump_fact_config_for_cpu, NULL,
|
|
NULL, NULL, NULL);
|
|
isst_ctdp_display_information_end(outf);
|
|
}
|
|
|
|
static void set_fact_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
|
|
void *arg4)
|
|
{
|
|
int ret;
|
|
int status = *(int *)arg4;
|
|
|
|
if (auto_mode && status) {
|
|
ret = isst_pm_qos_config(cpu, 1, 1);
|
|
if (ret)
|
|
goto disp_results;
|
|
}
|
|
|
|
ret = isst_set_pbf_fact_status(cpu, 0, status);
|
|
if (ret) {
|
|
debug_printf("isst_set_pbf_fact_status failed");
|
|
if (auto_mode)
|
|
isst_pm_qos_config(cpu, 0, 0);
|
|
|
|
goto disp_results;
|
|
}
|
|
|
|
/* Set TRL */
|
|
if (status) {
|
|
struct isst_pkg_ctdp pkg_dev;
|
|
|
|
ret = isst_get_ctdp_levels(cpu, &pkg_dev);
|
|
if (!ret)
|
|
ret = isst_set_trl(cpu, fact_trl);
|
|
if (ret && auto_mode)
|
|
isst_pm_qos_config(cpu, 0, 0);
|
|
} else {
|
|
if (auto_mode)
|
|
isst_pm_qos_config(cpu, 0, 0);
|
|
}
|
|
|
|
disp_results:
|
|
if (status) {
|
|
isst_display_result(cpu, outf, "turbo-freq", "enable", ret);
|
|
if (ret)
|
|
fact_enable_fail = ret;
|
|
} else {
|
|
/* Since we modified TRL during Fact enable, restore it */
|
|
isst_set_trl_from_current_tdp(cpu, fact_trl);
|
|
isst_display_result(cpu, outf, "turbo-freq", "disable", ret);
|
|
}
|
|
}
|
|
|
|
static void set_fact_enable(int arg)
|
|
{
|
|
int i, ret, enable = arg;
|
|
|
|
if (cmd_help) {
|
|
if (enable) {
|
|
fprintf(stderr,
|
|
"Enable Intel Speed Select Technology Turbo frequency feature\n");
|
|
fprintf(stderr,
|
|
"Optional: -t|--trl : Specify turbo ratio limit\n");
|
|
fprintf(stderr,
|
|
"\tOptional Arguments: -a|--auto : Designate specified target CPUs with");
|
|
fprintf(stderr,
|
|
"-C|--cpu option as as high priority using core-power feature\n");
|
|
} else {
|
|
fprintf(stderr,
|
|
"Disable Intel Speed Select Technology turbo frequency feature\n");
|
|
fprintf(stderr,
|
|
"Optional: -t|--trl : Specify turbo ratio limit\n");
|
|
fprintf(stderr,
|
|
"\tOptional Arguments: -a|--auto : Also disable core-power associations\n");
|
|
}
|
|
exit(0);
|
|
}
|
|
|
|
isst_ctdp_display_information_start(outf);
|
|
if (max_target_cpus)
|
|
for_each_online_target_cpu_in_set(set_fact_for_cpu, NULL, NULL,
|
|
NULL, &enable);
|
|
else
|
|
for_each_online_package_in_set(set_fact_for_cpu, NULL, NULL,
|
|
NULL, &enable);
|
|
isst_ctdp_display_information_end(outf);
|
|
|
|
if (!fact_enable_fail && enable && auto_mode) {
|
|
/*
|
|
* When we adjust CLOS param, we have to set for siblings also.
|
|
* So for the each user specified CPU, also add the sibling
|
|
* in the present_cpu_mask.
|
|
*/
|
|
for (i = 0; i < get_topo_max_cpus(); ++i) {
|
|
char buffer[128], sibling_list[128], *cpu_str;
|
|
int fd, len;
|
|
|
|
if (!CPU_ISSET_S(i, target_cpumask_size, target_cpumask))
|
|
continue;
|
|
|
|
snprintf(buffer, sizeof(buffer),
|
|
"/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", i);
|
|
|
|
fd = open(buffer, O_RDONLY);
|
|
if (fd < 0)
|
|
continue;
|
|
|
|
len = read(fd, sibling_list, sizeof(sibling_list));
|
|
close(fd);
|
|
|
|
if (len < 0)
|
|
continue;
|
|
|
|
cpu_str = strtok(sibling_list, ",");
|
|
while (cpu_str != NULL) {
|
|
int cpu;
|
|
|
|
sscanf(cpu_str, "%d", &cpu);
|
|
CPU_SET_S(cpu, target_cpumask_size, target_cpumask);
|
|
cpu_str = strtok(NULL, ",");
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < get_topo_max_cpus(); ++i) {
|
|
int clos;
|
|
|
|
if (!CPU_ISSET_S(i, present_cpumask_size, present_cpumask))
|
|
continue;
|
|
|
|
ret = set_clos_param(i, 0, 0, 0, 0, 0xff);
|
|
if (ret)
|
|
goto error_disp;
|
|
|
|
ret = set_clos_param(i, 1, 15, 15, 0, 0xff);
|
|
if (ret)
|
|
goto error_disp;
|
|
|
|
ret = set_clos_param(i, 2, 15, 15, 0, 0xff);
|
|
if (ret)
|
|
goto error_disp;
|
|
|
|
ret = set_clos_param(i, 3, 15, 15, 0, 0xff);
|
|
if (ret)
|
|
goto error_disp;
|
|
|
|
if (CPU_ISSET_S(i, target_cpumask_size, target_cpumask))
|
|
clos = 0;
|
|
else
|
|
clos = 3;
|
|
|
|
debug_printf("Associate cpu: %d clos: %d\n", i, clos);
|
|
ret = isst_clos_associate(i, clos);
|
|
if (ret)
|
|
goto error_disp;
|
|
}
|
|
isst_display_result(-1, outf, "turbo-freq --auto", "enable", 0);
|
|
}
|
|
|
|
return;
|
|
|
|
error_disp:
|
|
isst_display_result(i, outf, "turbo-freq --auto", "enable", ret);
|
|
|
|
}
|
|
|
|
static void enable_clos_qos_config(int cpu, void *arg1, void *arg2, void *arg3,
|
|
void *arg4)
|
|
{
|
|
int ret;
|
|
int status = *(int *)arg4;
|
|
|
|
if (is_skx_based_platform())
|
|
clos_priority_type = 1;
|
|
|
|
ret = isst_pm_qos_config(cpu, status, clos_priority_type);
|
|
if (ret)
|
|
isst_display_error_info_message(1, "isst_pm_qos_config failed", 0, 0);
|
|
|
|
if (status)
|
|
isst_display_result(cpu, outf, "core-power", "enable",
|
|
ret);
|
|
else
|
|
isst_display_result(cpu, outf, "core-power", "disable",
|
|
ret);
|
|
}
|
|
|
|
static void set_clos_enable(int arg)
|
|
{
|
|
int enable = arg;
|
|
|
|
if (cmd_help) {
|
|
if (enable) {
|
|
fprintf(stderr,
|
|
"Enable core-power for a package/die\n");
|
|
if (!is_skx_based_platform()) {
|
|
fprintf(stderr,
|
|
"\tClos Enable: Specify priority type with [--priority|-p]\n");
|
|
fprintf(stderr, "\t\t 0: Proportional, 1: Ordered\n");
|
|
}
|
|
} else {
|
|
fprintf(stderr,
|
|
"Disable core-power: [No command arguments are required]\n");
|
|
}
|
|
exit(0);
|
|
}
|
|
|
|
if (enable && cpufreq_sysfs_present()) {
|
|
fprintf(stderr,
|
|
"cpufreq subsystem and core-power enable will interfere with each other!\n");
|
|
}
|
|
|
|
isst_ctdp_display_information_start(outf);
|
|
if (max_target_cpus)
|
|
for_each_online_target_cpu_in_set(enable_clos_qos_config, NULL,
|
|
NULL, NULL, &enable);
|
|
else
|
|
for_each_online_package_in_set(enable_clos_qos_config, NULL,
|
|
NULL, NULL, &enable);
|
|
isst_ctdp_display_information_end(outf);
|
|
}
|
|
|
|
static void dump_clos_config_for_cpu(int cpu, void *arg1, void *arg2,
|
|
void *arg3, void *arg4)
|
|
{
|
|
struct isst_clos_config clos_config;
|
|
int ret;
|
|
|
|
ret = isst_pm_get_clos(cpu, current_clos, &clos_config);
|
|
if (ret)
|
|
isst_display_error_info_message(1, "isst_pm_get_clos failed", 0, 0);
|
|
else
|
|
isst_clos_display_information(cpu, outf, current_clos,
|
|
&clos_config);
|
|
}
|
|
|
|
static void dump_clos_config(int arg)
|
|
{
|
|
if (cmd_help) {
|
|
fprintf(stderr,
|
|
"Print Intel Speed Select Technology core power configuration\n");
|
|
fprintf(stderr,
|
|
"\tArguments: [-c | --clos]: Specify clos id\n");
|
|
exit(0);
|
|
}
|
|
if (current_clos < 0 || current_clos > 3) {
|
|
isst_display_error_info_message(1, "Invalid clos id\n", 0, 0);
|
|
isst_ctdp_display_information_end(outf);
|
|
exit(0);
|
|
}
|
|
|
|
isst_ctdp_display_information_start(outf);
|
|
if (max_target_cpus)
|
|
for_each_online_target_cpu_in_set(dump_clos_config_for_cpu,
|
|
NULL, NULL, NULL, NULL);
|
|
else
|
|
for_each_online_package_in_set(dump_clos_config_for_cpu, NULL,
|
|
NULL, NULL, NULL);
|
|
isst_ctdp_display_information_end(outf);
|
|
}
|
|
|
|
static void get_clos_info_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
|
|
void *arg4)
|
|
{
|
|
int enable, ret, prio_type;
|
|
|
|
ret = isst_clos_get_clos_information(cpu, &enable, &prio_type);
|
|
if (ret)
|
|
isst_display_error_info_message(1, "isst_clos_get_info failed", 0, 0);
|
|
else {
|
|
int cp_state, cp_cap;
|
|
|
|
isst_read_pm_config(cpu, &cp_state, &cp_cap);
|
|
isst_clos_display_clos_information(cpu, outf, enable, prio_type,
|
|
cp_state, cp_cap);
|
|
}
|
|
}
|
|
|
|
static void dump_clos_info(int arg)
|
|
{
|
|
if (cmd_help) {
|
|
fprintf(stderr,
|
|
"Print Intel Speed Select Technology core power information\n");
|
|
fprintf(stderr, "\t Optionally specify targeted cpu id with [--cpu|-c]\n");
|
|
exit(0);
|
|
}
|
|
|
|
isst_ctdp_display_information_start(outf);
|
|
if (max_target_cpus)
|
|
for_each_online_target_cpu_in_set(get_clos_info_for_cpu, NULL,
|
|
NULL, NULL, NULL);
|
|
else
|
|
for_each_online_package_in_set(get_clos_info_for_cpu, NULL,
|
|
NULL, NULL, NULL);
|
|
isst_ctdp_display_information_end(outf);
|
|
|
|
}
|
|
|
|
static void set_clos_config_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
|
|
void *arg4)
|
|
{
|
|
struct isst_clos_config clos_config;
|
|
int ret;
|
|
|
|
clos_config.pkg_id = get_physical_package_id(cpu);
|
|
clos_config.die_id = get_physical_die_id(cpu);
|
|
|
|
clos_config.epp = clos_epp;
|
|
clos_config.clos_prop_prio = clos_prop_prio;
|
|
clos_config.clos_min = clos_min;
|
|
clos_config.clos_max = clos_max;
|
|
clos_config.clos_desired = clos_desired;
|
|
ret = isst_set_clos(cpu, current_clos, &clos_config);
|
|
if (ret)
|
|
isst_display_error_info_message(1, "isst_set_clos failed", 0, 0);
|
|
else
|
|
isst_display_result(cpu, outf, "core-power", "config", ret);
|
|
}
|
|
|
|
static void set_clos_config(int arg)
|
|
{
|
|
if (cmd_help) {
|
|
fprintf(stderr,
|
|
"Set core-power configuration for one of the four clos ids\n");
|
|
fprintf(stderr,
|
|
"\tSpecify targeted clos id with [--clos|-c]\n");
|
|
if (!is_skx_based_platform()) {
|
|
fprintf(stderr, "\tSpecify clos EPP with [--epp|-e]\n");
|
|
fprintf(stderr,
|
|
"\tSpecify clos Proportional Priority [--weight|-w]\n");
|
|
}
|
|
fprintf(stderr, "\tSpecify clos min in MHz with [--min|-n]\n");
|
|
fprintf(stderr, "\tSpecify clos max in MHz with [--max|-m]\n");
|
|
exit(0);
|
|
}
|
|
|
|
if (current_clos < 0 || current_clos > 3) {
|
|
isst_display_error_info_message(1, "Invalid clos id\n", 0, 0);
|
|
exit(0);
|
|
}
|
|
if (!is_skx_based_platform() && (clos_epp < 0 || clos_epp > 0x0F)) {
|
|
fprintf(stderr, "clos epp is not specified or invalid, default: 0\n");
|
|
clos_epp = 0;
|
|
}
|
|
if (!is_skx_based_platform() && (clos_prop_prio < 0 || clos_prop_prio > 0x0F)) {
|
|
fprintf(stderr,
|
|
"clos frequency weight is not specified or invalid, default: 0\n");
|
|
clos_prop_prio = 0;
|
|
}
|
|
if (clos_min < 0) {
|
|
fprintf(stderr, "clos min is not specified, default: 0\n");
|
|
clos_min = 0;
|
|
}
|
|
if (clos_max < 0) {
|
|
fprintf(stderr, "clos max is not specified, default: Max frequency (ratio 0xff)\n");
|
|
clos_max = 0xff;
|
|
}
|
|
if (clos_desired) {
|
|
fprintf(stderr, "clos desired is not supported on this platform\n");
|
|
clos_desired = 0x00;
|
|
}
|
|
|
|
isst_ctdp_display_information_start(outf);
|
|
if (max_target_cpus)
|
|
for_each_online_target_cpu_in_set(set_clos_config_for_cpu, NULL,
|
|
NULL, NULL, NULL);
|
|
else
|
|
for_each_online_package_in_set(set_clos_config_for_cpu, NULL,
|
|
NULL, NULL, NULL);
|
|
isst_ctdp_display_information_end(outf);
|
|
}
|
|
|
|
static void set_clos_assoc_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
|
|
void *arg4)
|
|
{
|
|
int ret;
|
|
|
|
ret = isst_clos_associate(cpu, current_clos);
|
|
if (ret)
|
|
debug_printf("isst_clos_associate failed");
|
|
else
|
|
isst_display_result(cpu, outf, "core-power", "assoc", ret);
|
|
}
|
|
|
|
static void set_clos_assoc(int arg)
|
|
{
|
|
if (cmd_help) {
|
|
fprintf(stderr, "Associate a clos id to a CPU\n");
|
|
fprintf(stderr,
|
|
"\tSpecify targeted clos id with [--clos|-c]\n");
|
|
fprintf(stderr,
|
|
"\tFor example to associate clos 1 to CPU 0: issue\n");
|
|
fprintf(stderr,
|
|
"\tintel-speed-select --cpu 0 core-power assoc --clos 1\n");
|
|
exit(0);
|
|
}
|
|
|
|
if (current_clos < 0 || current_clos > 3) {
|
|
isst_display_error_info_message(1, "Invalid clos id\n", 0, 0);
|
|
exit(0);
|
|
}
|
|
if (max_target_cpus)
|
|
for_each_online_target_cpu_in_set(set_clos_assoc_for_cpu, NULL,
|
|
NULL, NULL, NULL);
|
|
else {
|
|
isst_display_error_info_message(1, "Invalid target cpu. Specify with [-c|--cpu]", 0, 0);
|
|
}
|
|
}
|
|
|
|
static void get_clos_assoc_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
|
|
void *arg4)
|
|
{
|
|
int clos, ret;
|
|
|
|
ret = isst_clos_get_assoc_status(cpu, &clos);
|
|
if (ret)
|
|
isst_display_error_info_message(1, "isst_clos_get_assoc_status failed", 0, 0);
|
|
else
|
|
isst_clos_display_assoc_information(cpu, outf, clos);
|
|
}
|
|
|
|
static void get_clos_assoc(int arg)
|
|
{
|
|
if (cmd_help) {
|
|
fprintf(stderr, "Get associate clos id to a CPU\n");
|
|
fprintf(stderr, "\tSpecify targeted cpu id with [--cpu|-c]\n");
|
|
exit(0);
|
|
}
|
|
|
|
if (!max_target_cpus) {
|
|
isst_display_error_info_message(1, "Invalid target cpu. Specify with [-c|--cpu]", 0, 0);
|
|
exit(0);
|
|
}
|
|
|
|
isst_ctdp_display_information_start(outf);
|
|
for_each_online_target_cpu_in_set(get_clos_assoc_for_cpu, NULL,
|
|
NULL, NULL, NULL);
|
|
isst_ctdp_display_information_end(outf);
|
|
}
|
|
|
|
static struct process_cmd_struct clx_n_cmds[] = {
|
|
{ "perf-profile", "info", dump_isst_config, 0 },
|
|
{ "base-freq", "info", dump_pbf_config, 0 },
|
|
{ "base-freq", "enable", set_pbf_enable, 1 },
|
|
{ "base-freq", "disable", set_pbf_enable, 0 },
|
|
{ NULL, NULL, NULL, 0 }
|
|
};
|
|
|
|
static struct process_cmd_struct isst_cmds[] = {
|
|
{ "perf-profile", "get-lock-status", get_tdp_locked, 0 },
|
|
{ "perf-profile", "get-config-levels", get_tdp_levels, 0 },
|
|
{ "perf-profile", "get-config-version", get_tdp_version, 0 },
|
|
{ "perf-profile", "get-config-enabled", get_tdp_enabled, 0 },
|
|
{ "perf-profile", "get-config-current-level", get_tdp_current_level,
|
|
0 },
|
|
{ "perf-profile", "set-config-level", set_tdp_level, 0 },
|
|
{ "perf-profile", "info", dump_isst_config, 0 },
|
|
{ "base-freq", "info", dump_pbf_config, 0 },
|
|
{ "base-freq", "enable", set_pbf_enable, 1 },
|
|
{ "base-freq", "disable", set_pbf_enable, 0 },
|
|
{ "turbo-freq", "info", dump_fact_config, 0 },
|
|
{ "turbo-freq", "enable", set_fact_enable, 1 },
|
|
{ "turbo-freq", "disable", set_fact_enable, 0 },
|
|
{ "core-power", "info", dump_clos_info, 0 },
|
|
{ "core-power", "enable", set_clos_enable, 1 },
|
|
{ "core-power", "disable", set_clos_enable, 0 },
|
|
{ "core-power", "config", set_clos_config, 0 },
|
|
{ "core-power", "get-config", dump_clos_config, 0 },
|
|
{ "core-power", "assoc", set_clos_assoc, 0 },
|
|
{ "core-power", "get-assoc", get_clos_assoc, 0 },
|
|
{ NULL, NULL, NULL }
|
|
};
|
|
|
|
/*
|
|
* parse cpuset with following syntax
|
|
* 1,2,4..6,8-10 and set bits in cpu_subset
|
|
*/
|
|
void parse_cpu_command(char *optarg)
|
|
{
|
|
unsigned int start, end;
|
|
char *next;
|
|
|
|
next = optarg;
|
|
|
|
while (next && *next) {
|
|
if (*next == '-') /* no negative cpu numbers */
|
|
goto error;
|
|
|
|
start = strtoul(next, &next, 10);
|
|
|
|
if (max_target_cpus < MAX_CPUS_IN_ONE_REQ)
|
|
target_cpus[max_target_cpus++] = start;
|
|
|
|
if (*next == '\0')
|
|
break;
|
|
|
|
if (*next == ',') {
|
|
next += 1;
|
|
continue;
|
|
}
|
|
|
|
if (*next == '-') {
|
|
next += 1; /* start range */
|
|
} else if (*next == '.') {
|
|
next += 1;
|
|
if (*next == '.')
|
|
next += 1; /* start range */
|
|
else
|
|
goto error;
|
|
}
|
|
|
|
end = strtoul(next, &next, 10);
|
|
if (end <= start)
|
|
goto error;
|
|
|
|
while (++start <= end) {
|
|
if (max_target_cpus < MAX_CPUS_IN_ONE_REQ)
|
|
target_cpus[max_target_cpus++] = start;
|
|
}
|
|
|
|
if (*next == ',')
|
|
next += 1;
|
|
else if (*next != '\0')
|
|
goto error;
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < max_target_cpus; ++i)
|
|
printf("cpu [%d] in arg\n", target_cpus[i]);
|
|
}
|
|
#endif
|
|
return;
|
|
|
|
error:
|
|
fprintf(stderr, "\"--cpu %s\" malformed\n", optarg);
|
|
exit(-1);
|
|
}
|
|
|
|
static void parse_cmd_args(int argc, int start, char **argv)
|
|
{
|
|
int opt;
|
|
int option_index;
|
|
|
|
static struct option long_options[] = {
|
|
{ "bucket", required_argument, 0, 'b' },
|
|
{ "level", required_argument, 0, 'l' },
|
|
{ "online", required_argument, 0, 'o' },
|
|
{ "trl-type", required_argument, 0, 'r' },
|
|
{ "trl", required_argument, 0, 't' },
|
|
{ "help", no_argument, 0, 'h' },
|
|
{ "clos", required_argument, 0, 'c' },
|
|
{ "desired", required_argument, 0, 'd' },
|
|
{ "epp", required_argument, 0, 'e' },
|
|
{ "min", required_argument, 0, 'n' },
|
|
{ "max", required_argument, 0, 'm' },
|
|
{ "priority", required_argument, 0, 'p' },
|
|
{ "weight", required_argument, 0, 'w' },
|
|
{ "auto", no_argument, 0, 'a' },
|
|
{ 0, 0, 0, 0 }
|
|
};
|
|
|
|
option_index = start;
|
|
|
|
optind = start + 1;
|
|
while ((opt = getopt_long(argc, argv, "b:l:t:c:d:e:n:m:p:w:r:hoa",
|
|
long_options, &option_index)) != -1) {
|
|
switch (opt) {
|
|
case 'a':
|
|
auto_mode = 1;
|
|
break;
|
|
case 'b':
|
|
fact_bucket = atoi(optarg);
|
|
break;
|
|
case 'h':
|
|
cmd_help = 1;
|
|
break;
|
|
case 'l':
|
|
tdp_level = atoi(optarg);
|
|
break;
|
|
case 'o':
|
|
force_online_offline = 1;
|
|
break;
|
|
case 't':
|
|
sscanf(optarg, "0x%llx", &fact_trl);
|
|
break;
|
|
case 'r':
|
|
if (!strncmp(optarg, "sse", 3)) {
|
|
fact_avx = 0x01;
|
|
} else if (!strncmp(optarg, "avx2", 4)) {
|
|
fact_avx = 0x02;
|
|
} else if (!strncmp(optarg, "avx512", 6)) {
|
|
fact_avx = 0x04;
|
|
} else {
|
|
fprintf(outf, "Invalid sse,avx options\n");
|
|
exit(1);
|
|
}
|
|
break;
|
|
/* CLOS related */
|
|
case 'c':
|
|
current_clos = atoi(optarg);
|
|
break;
|
|
case 'd':
|
|
clos_desired = atoi(optarg);
|
|
clos_desired /= DISP_FREQ_MULTIPLIER;
|
|
break;
|
|
case 'e':
|
|
clos_epp = atoi(optarg);
|
|
if (is_skx_based_platform()) {
|
|
isst_display_error_info_message(1, "epp can't be specified on this platform", 0, 0);
|
|
exit(0);
|
|
}
|
|
break;
|
|
case 'n':
|
|
clos_min = atoi(optarg);
|
|
clos_min /= DISP_FREQ_MULTIPLIER;
|
|
break;
|
|
case 'm':
|
|
clos_max = atoi(optarg);
|
|
clos_max /= DISP_FREQ_MULTIPLIER;
|
|
break;
|
|
case 'p':
|
|
clos_priority_type = atoi(optarg);
|
|
if (is_skx_based_platform() && !clos_priority_type) {
|
|
isst_display_error_info_message(1, "Invalid clos priority type: proportional for this platform", 0, 0);
|
|
exit(0);
|
|
}
|
|
break;
|
|
case 'w':
|
|
clos_prop_prio = atoi(optarg);
|
|
if (is_skx_based_platform()) {
|
|
isst_display_error_info_message(1, "weight can't be specified on this platform", 0, 0);
|
|
exit(0);
|
|
}
|
|
break;
|
|
default:
|
|
printf("Unknown option: ignore\n");
|
|
}
|
|
}
|
|
|
|
if (argv[optind])
|
|
printf("Garbage at the end of command: ignore\n");
|
|
}
|
|
|
|
static void isst_help(void)
|
|
{
|
|
printf("perf-profile:\tAn architectural mechanism that allows multiple optimized \n\
|
|
performance profiles per system via static and/or dynamic\n\
|
|
adjustment of core count, workload, Tjmax, and\n\
|
|
TDP, etc.\n");
|
|
printf("\nCommands : For feature=perf-profile\n");
|
|
printf("\tinfo\n");
|
|
|
|
if (!is_clx_n_platform()) {
|
|
printf("\tget-lock-status\n");
|
|
printf("\tget-config-levels\n");
|
|
printf("\tget-config-version\n");
|
|
printf("\tget-config-enabled\n");
|
|
printf("\tget-config-current-level\n");
|
|
printf("\tset-config-level\n");
|
|
}
|
|
}
|
|
|
|
static void pbf_help(void)
|
|
{
|
|
printf("base-freq:\tEnables users to increase guaranteed base frequency\n\
|
|
on certain cores (high priority cores) in exchange for lower\n\
|
|
base frequency on remaining cores (low priority cores).\n");
|
|
printf("\tcommand : info\n");
|
|
printf("\tcommand : enable\n");
|
|
printf("\tcommand : disable\n");
|
|
}
|
|
|
|
static void fact_help(void)
|
|
{
|
|
printf("turbo-freq:\tEnables the ability to set different turbo ratio\n\
|
|
limits to cores based on priority.\n");
|
|
printf("\nCommand: For feature=turbo-freq\n");
|
|
printf("\tcommand : info\n");
|
|
printf("\tcommand : enable\n");
|
|
printf("\tcommand : disable\n");
|
|
}
|
|
|
|
static void core_power_help(void)
|
|
{
|
|
printf("core-power:\tInterface that allows user to define per core/tile\n\
|
|
priority.\n");
|
|
printf("\nCommands : For feature=core-power\n");
|
|
printf("\tinfo\n");
|
|
printf("\tenable\n");
|
|
printf("\tdisable\n");
|
|
printf("\tconfig\n");
|
|
printf("\tget-config\n");
|
|
printf("\tassoc\n");
|
|
printf("\tget-assoc\n");
|
|
}
|
|
|
|
struct process_cmd_help_struct {
|
|
char *feature;
|
|
void (*process_fn)(void);
|
|
};
|
|
|
|
static struct process_cmd_help_struct isst_help_cmds[] = {
|
|
{ "perf-profile", isst_help },
|
|
{ "base-freq", pbf_help },
|
|
{ "turbo-freq", fact_help },
|
|
{ "core-power", core_power_help },
|
|
{ NULL, NULL }
|
|
};
|
|
|
|
static struct process_cmd_help_struct clx_n_help_cmds[] = {
|
|
{ "perf-profile", isst_help },
|
|
{ "base-freq", pbf_help },
|
|
{ NULL, NULL }
|
|
};
|
|
|
|
void process_command(int argc, char **argv,
|
|
struct process_cmd_help_struct *help_cmds,
|
|
struct process_cmd_struct *cmds)
|
|
{
|
|
int i = 0, matched = 0;
|
|
char *feature = argv[optind];
|
|
char *cmd = argv[optind + 1];
|
|
|
|
if (!feature || !cmd)
|
|
return;
|
|
|
|
debug_printf("feature name [%s] command [%s]\n", feature, cmd);
|
|
if (!strcmp(cmd, "-h") || !strcmp(cmd, "--help")) {
|
|
while (help_cmds[i].feature) {
|
|
if (!strcmp(help_cmds[i].feature, feature)) {
|
|
help_cmds[i].process_fn();
|
|
exit(0);
|
|
}
|
|
++i;
|
|
}
|
|
}
|
|
|
|
if (!is_clx_n_platform())
|
|
create_cpu_map();
|
|
|
|
i = 0;
|
|
while (cmds[i].feature) {
|
|
if (!strcmp(cmds[i].feature, feature) &&
|
|
!strcmp(cmds[i].command, cmd)) {
|
|
parse_cmd_args(argc, optind + 1, argv);
|
|
cmds[i].process_fn(cmds[i].arg);
|
|
matched = 1;
|
|
break;
|
|
}
|
|
++i;
|
|
}
|
|
|
|
if (!matched)
|
|
fprintf(stderr, "Invalid command\n");
|
|
}
|
|
|
|
static void usage(void)
|
|
{
|
|
if (is_clx_n_platform()) {
|
|
fprintf(stderr, "\nThere is limited support of Intel Speed Select features on this platform.\n");
|
|
fprintf(stderr, "Everything is pre-configured using BIOS options, this tool can't enable any feature in the hardware.\n\n");
|
|
}
|
|
|
|
printf("\nUsage:\n");
|
|
printf("intel-speed-select [OPTIONS] FEATURE COMMAND COMMAND_ARGUMENTS\n");
|
|
printf("\nUse this tool to enumerate and control the Intel Speed Select Technology features:\n");
|
|
if (is_clx_n_platform())
|
|
printf("\nFEATURE : [perf-profile|base-freq]\n");
|
|
else
|
|
printf("\nFEATURE : [perf-profile|base-freq|turbo-freq|core-power]\n");
|
|
printf("\nFor help on each feature, use -h|--help\n");
|
|
printf("\tFor example: intel-speed-select perf-profile -h\n");
|
|
|
|
printf("\nFor additional help on each command for a feature, use --h|--help\n");
|
|
printf("\tFor example: intel-speed-select perf-profile get-lock-status -h\n");
|
|
printf("\t\t This will print help for the command \"get-lock-status\" for the feature \"perf-profile\"\n");
|
|
|
|
printf("\nOPTIONS\n");
|
|
printf("\t[-c|--cpu] : logical cpu number\n");
|
|
printf("\t\tDefault: Die scoped for all dies in the system with multiple dies/package\n");
|
|
printf("\t\t\t Or Package scoped for all Packages when each package contains one die\n");
|
|
printf("\t[-d|--debug] : Debug mode\n");
|
|
printf("\t[-f|--format] : output format [json|text]. Default: text\n");
|
|
printf("\t[-h|--help] : Print help\n");
|
|
printf("\t[-i|--info] : Print platform information\n");
|
|
printf("\t[-o|--out] : Output file\n");
|
|
printf("\t\t\tDefault : stderr\n");
|
|
printf("\t[-v|--version] : Print version\n");
|
|
|
|
printf("\nResult format\n");
|
|
printf("\tResult display uses a common format for each command:\n");
|
|
printf("\tResults are formatted in text/JSON with\n");
|
|
printf("\t\tPackage, Die, CPU, and command specific results.\n");
|
|
|
|
printf("\nExamples\n");
|
|
printf("\tTo get platform information:\n");
|
|
printf("\t\tintel-speed-select --info\n");
|
|
printf("\tTo get full perf-profile information dump:\n");
|
|
printf("\t\tintel-speed-select perf-profile info\n");
|
|
printf("\tTo get full base-freq information dump:\n");
|
|
printf("\t\tintel-speed-select base-freq info -l 0\n");
|
|
if (!is_clx_n_platform()) {
|
|
printf("\tTo get full turbo-freq information dump:\n");
|
|
printf("\t\tintel-speed-select turbo-freq info -l 0\n");
|
|
}
|
|
exit(1);
|
|
}
|
|
|
|
static void print_version(void)
|
|
{
|
|
fprintf(outf, "Version %s\n", version_str);
|
|
fprintf(outf, "Build date %s time %s\n", __DATE__, __TIME__);
|
|
exit(0);
|
|
}
|
|
|
|
static void cmdline(int argc, char **argv)
|
|
{
|
|
const char *pathname = "/dev/isst_interface";
|
|
FILE *fp;
|
|
int opt;
|
|
int option_index = 0;
|
|
int ret;
|
|
|
|
static struct option long_options[] = {
|
|
{ "cpu", required_argument, 0, 'c' },
|
|
{ "debug", no_argument, 0, 'd' },
|
|
{ "format", required_argument, 0, 'f' },
|
|
{ "help", no_argument, 0, 'h' },
|
|
{ "info", no_argument, 0, 'i' },
|
|
{ "out", required_argument, 0, 'o' },
|
|
{ "version", no_argument, 0, 'v' },
|
|
{ 0, 0, 0, 0 }
|
|
};
|
|
|
|
if (geteuid() != 0) {
|
|
fprintf(stderr, "Must run as root\n");
|
|
exit(0);
|
|
}
|
|
|
|
ret = update_cpu_model();
|
|
if (ret)
|
|
err(-1, "Invalid CPU model (%d)\n", cpu_model);
|
|
printf("Intel(R) Speed Select Technology\n");
|
|
printf("Executing on CPU model:%d[0x%x]\n", cpu_model, cpu_model);
|
|
|
|
if (!is_clx_n_platform()) {
|
|
fp = fopen(pathname, "rb");
|
|
if (!fp) {
|
|
fprintf(stderr, "Intel speed select drivers are not loaded on this system.\n");
|
|
fprintf(stderr, "Verify that kernel config includes CONFIG_INTEL_SPEED_SELECT_INTERFACE.\n");
|
|
fprintf(stderr, "If the config is included then this is not a supported platform.\n");
|
|
exit(0);
|
|
}
|
|
fclose(fp);
|
|
}
|
|
|
|
progname = argv[0];
|
|
while ((opt = getopt_long_only(argc, argv, "+c:df:hio:v", long_options,
|
|
&option_index)) != -1) {
|
|
switch (opt) {
|
|
case 'c':
|
|
parse_cpu_command(optarg);
|
|
break;
|
|
case 'd':
|
|
debug_flag = 1;
|
|
printf("Debug Mode ON\n");
|
|
break;
|
|
case 'f':
|
|
if (!strncmp(optarg, "json", 4))
|
|
out_format_json = 1;
|
|
break;
|
|
case 'h':
|
|
usage();
|
|
break;
|
|
case 'i':
|
|
isst_print_platform_information();
|
|
break;
|
|
case 'o':
|
|
if (outf)
|
|
fclose(outf);
|
|
outf = fopen_or_exit(optarg, "w");
|
|
break;
|
|
case 'v':
|
|
print_version();
|
|
break;
|
|
default:
|
|
usage();
|
|
}
|
|
}
|
|
|
|
if (optind > (argc - 2)) {
|
|
usage();
|
|
exit(0);
|
|
}
|
|
set_max_cpu_num();
|
|
store_cpu_topology();
|
|
set_cpu_present_cpu_mask();
|
|
set_cpu_target_cpu_mask();
|
|
|
|
if (!is_clx_n_platform()) {
|
|
ret = isst_fill_platform_info();
|
|
if (ret)
|
|
goto out;
|
|
process_command(argc, argv, isst_help_cmds, isst_cmds);
|
|
} else {
|
|
process_command(argc, argv, clx_n_help_cmds, clx_n_cmds);
|
|
}
|
|
out:
|
|
free_cpu_set(present_cpumask);
|
|
free_cpu_set(target_cpumask);
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
outf = stderr;
|
|
cmdline(argc, argv);
|
|
return 0;
|
|
}
|