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58f4f294b3
Shellcheck versions < v0.7.2 can't follow this path so add the helper to
fix the following warning:
tests/shell/trace_btf_general.sh line 8:
. "$(dirname $0)"/lib/probe.sh
^--------------------------^ SC1090: Can't follow non-constant source.
Use a directive to specify location.
Fixes: 0255338d69 ("perf trace: Add tests for BTF general augmentation")
Signed-off-by: James Clark <james.clark@linaro.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Howard Chu <howardchu95@gmail.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20250106164300.734202-1-james.clark@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
95 lines
2.0 KiB
Bash
Executable File
95 lines
2.0 KiB
Bash
Executable File
#!/bin/bash
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# perf trace BTF general tests
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# SPDX-License-Identifier: GPL-2.0
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err=0
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set -e
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# shellcheck source=lib/probe.sh
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. "$(dirname $0)"/lib/probe.sh
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file1=$(mktemp /tmp/file1_XXXX)
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file2=$(echo $file1 | sed 's/file1/file2/g')
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buffer="buffer content"
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perf_config_tmp=$(mktemp /tmp/.perfconfig_XXXXX)
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trap cleanup EXIT TERM INT HUP
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check_vmlinux() {
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echo "Checking if vmlinux BTF exists"
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if [ ! -f /sys/kernel/btf/vmlinux ]
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then
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echo "Skipped due to missing vmlinux BTF"
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return 2
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fi
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return 0
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}
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trace_test_string() {
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echo "Testing perf trace's string augmentation"
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if ! perf trace -e renameat* --max-events=1 -- mv ${file1} ${file2} 2>&1 | \
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grep -q -E "^mv/[0-9]+ renameat(2)?\(.*, \"${file1}\", .*, \"${file2}\", .*\) += +[0-9]+$"
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then
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echo "String augmentation test failed"
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err=1
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fi
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}
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trace_test_buffer() {
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echo "Testing perf trace's buffer augmentation"
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# echo will insert a newline (\10) at the end of the buffer
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if ! perf trace -e write --max-events=1 -- echo "${buffer}" 2>&1 | \
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grep -q -E "^echo/[0-9]+ write\([0-9]+, ${buffer}.*, [0-9]+\) += +[0-9]+$"
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then
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echo "Buffer augmentation test failed"
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err=1
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fi
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}
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trace_test_struct_btf() {
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echo "Testing perf trace's struct augmentation"
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if ! perf trace -e clock_nanosleep --force-btf --max-events=1 -- sleep 1 2>&1 | \
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grep -q -E "^sleep/[0-9]+ clock_nanosleep\(0, 0, \{1,\}, 0x[0-9a-f]+\) += +[0-9]+$"
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then
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echo "BTF struct augmentation test failed"
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err=1
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fi
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}
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cleanup() {
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rm -rf ${file1} ${file2} ${perf_config_tmp}
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}
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trap_cleanup() {
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echo "Unexpected signal in ${FUNCNAME[1]}"
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cleanup
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exit 1
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}
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# don't overwrite user's perf config
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trace_config() {
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export PERF_CONFIG=${perf_config_tmp}
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perf config trace.show_arg_names=false trace.show_duration=false \
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trace.show_timestamp=false trace.args_alignment=0
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}
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skip_if_no_perf_trace || exit 2
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check_vmlinux || exit 2
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trace_config
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trace_test_string
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if [ $err = 0 ]; then
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trace_test_buffer
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fi
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if [ $err = 0 ]; then
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trace_test_struct_btf
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fi
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cleanup
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exit $err
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