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lib/test_vmalloc.c: introduce xfail for failing tests

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The test align_shift_alloc_test is expected to fail.  Reporting the test
as fail confuses to be a genuine failure.  Introduce widely used xfail
sematics to address the issue.

Note: a warn_alloc dump similar to below is still expected:

 Call Trace:
  <TASK>
  dump_stack_lvl+0x64/0x80
  warn_alloc+0x137/0x1b0
  ? __get_vm_area_node+0x134/0x140

Snippet of dmesg after change:

Summary: random_size_align_alloc_test passed: 1 failed: 0 xfailed: 0 ..
Summary: align_shift_alloc_test passed: 0 failed: 0 xfailed: 1 ..
Summary: pcpu_alloc_test passed: 1 failed: 0 xfailed: 0 ..

Link: https://lkml.kernel.org/r/20250702064319.885-1-raghavendra.kt@amd.com
Signed-off-by: Raghavendra K T <raghavendra.kt@amd.com>
Reviewed-by: "Uladzislau Rezki (Sony)" <urezki@gmail.com>
Cc: Dev Jain <dev.jain@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Raghavendra K T 2025-07-02 06:43:19 +00:00 committed by Andrew Morton
parent 9640b17a89
commit ee58e38489
1 changed files with 21 additions and 15 deletions
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36
lib/test_vmalloc.c
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@ -396,25 +396,27 @@ cleanup:
struct test_case_desc {
const char *test_name;
int (*test_func)(void);
bool xfail;
};
static struct test_case_desc test_case_array[] = {
{ "fix_size_alloc_test", fix_size_alloc_test },
{ "full_fit_alloc_test", full_fit_alloc_test },
{ "long_busy_list_alloc_test", long_busy_list_alloc_test },
{ "random_size_alloc_test", random_size_alloc_test },
{ "fix_align_alloc_test", fix_align_alloc_test },
{ "random_size_align_alloc_test", random_size_align_alloc_test },
{ "align_shift_alloc_test", align_shift_alloc_test },
{ "pcpu_alloc_test", pcpu_alloc_test },
{ "kvfree_rcu_1_arg_vmalloc_test", kvfree_rcu_1_arg_vmalloc_test },
{ "kvfree_rcu_2_arg_vmalloc_test", kvfree_rcu_2_arg_vmalloc_test },
{ "vm_map_ram_test", vm_map_ram_test },
{ "fix_size_alloc_test", fix_size_alloc_test, },
{ "full_fit_alloc_test", full_fit_alloc_test, },
{ "long_busy_list_alloc_test", long_busy_list_alloc_test, },
{ "random_size_alloc_test", random_size_alloc_test, },
{ "fix_align_alloc_test", fix_align_alloc_test, },
{ "random_size_align_alloc_test", random_size_align_alloc_test, },
{ "align_shift_alloc_test", align_shift_alloc_test, true },
{ "pcpu_alloc_test", pcpu_alloc_test, },
{ "kvfree_rcu_1_arg_vmalloc_test", kvfree_rcu_1_arg_vmalloc_test, },
{ "kvfree_rcu_2_arg_vmalloc_test", kvfree_rcu_2_arg_vmalloc_test, },
{ "vm_map_ram_test", vm_map_ram_test, },
/* Add a new test case here. */
};
struct test_case_data {
int test_failed;
int test_xfailed;
int test_passed;
u64 time;
};
@ -444,7 +446,7 @@ static int test_func(void *private)
{
struct test_driver *t = private;
int random_array[ARRAY_SIZE(test_case_array)];
int index, i, j;
int index, i, j, ret;
ktime_t kt;
u64 delta;
@ -468,11 +470,14 @@ static int test_func(void *private)
*/
if (!((run_test_mask & (1 << index)) >> index))
continue;
kt = ktime_get();
for (j = 0; j < test_repeat_count; j++) {
if (!test_case_array[index].test_func())
ret = test_case_array[index].test_func();
if (!ret && !test_case_array[index].xfail)
t->data[index].test_passed++;
else if (ret && test_case_array[index].xfail)
t->data[index].test_xfailed++;
else
t->data[index].test_failed++;
}
@ -576,10 +581,11 @@ static void do_concurrent_test(void)
continue;
pr_info(
"Summary: %s passed: %d failed: %d repeat: %d loops: %d avg: %llu usec\n",
"Summary: %s passed: %d failed: %d xfailed: %d repeat: %d loops: %d avg: %llu usec\n",
test_case_array[j].test_name,
t->data[j].test_passed,
t->data[j].test_failed,
t->data[j].test_xfailed,
test_repeat_count, test_loop_count,
t->data[j].time);
}