Contributors: 5
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Wang Nan |
138 |
84.66% |
2 |
20.00% |
| Ian Rogers |
13 |
7.98% |
3 |
30.00% |
| Arnaldo Carvalho de Melo |
9 |
5.52% |
3 |
30.00% |
| Jiri Olsa |
2 |
1.23% |
1 |
10.00% |
| Greg Kroah-Hartman |
1 |
0.61% |
1 |
10.00% |
| Total |
163 |
|
10 |
|
// 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);