mirror of
https://github.com/torvalds/linux.git
synced 2024-12-01 16:41:39 +00:00
33f44bfd3c
This is to align with kunit's terminology. Signed-off-by: Ian Rogers <irogers@google.com> Tested-by: Sohaib Mohamed <sohaib.amhmd@gmail.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Brendan Higgins <brendanhiggins@google.com> Cc: Daniel Latypov <dlatypov@google.com> Cc: David Gow <davidgow@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: John Garry <john.garry@huawei.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Clarke <pc@us.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: https://lore.kernel.org/r/20211104064208.3156807-6-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
50 lines
1.0 KiB
C
50 lines
1.0 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include <signal.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "tests.h"
|
|
#include "debug.h"
|
|
#include "perf-hooks.h"
|
|
|
|
static void sigsegv_handler(int sig __maybe_unused)
|
|
{
|
|
pr_debug("SIGSEGV is observed as expected, try to recover.\n");
|
|
perf_hooks__recover();
|
|
signal(SIGSEGV, SIG_DFL);
|
|
raise(SIGSEGV);
|
|
exit(-1);
|
|
}
|
|
|
|
|
|
static void the_hook(void *_hook_flags)
|
|
{
|
|
int *hook_flags = _hook_flags;
|
|
|
|
*hook_flags = 1234;
|
|
|
|
/* Generate a segfault, test perf_hooks__recover */
|
|
raise(SIGSEGV);
|
|
}
|
|
|
|
static int test__perf_hooks(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
|
|
{
|
|
int hook_flags = 0;
|
|
|
|
signal(SIGSEGV, sigsegv_handler);
|
|
perf_hooks__set_hook("test", the_hook, &hook_flags);
|
|
perf_hooks__invoke_test();
|
|
|
|
/* hook is triggered? */
|
|
if (hook_flags != 1234) {
|
|
pr_debug("Setting failed: %d (%p)\n", hook_flags, &hook_flags);
|
|
return TEST_FAIL;
|
|
}
|
|
|
|
/* the buggy hook is removed? */
|
|
if (perf_hooks__get_hook("test"))
|
|
return TEST_FAIL;
|
|
return TEST_OK;
|
|
}
|
|
|
|
DEFINE_SUITE("perf hooks", perf_hooks);
|