1 // SPDX-License-Identifier: GPL-2.0
7 #include "perf-hooks.h"
9 static void sigsegv_handler(int sig __maybe_unused)
11 pr_debug("SIGSEGV is observed as expected, try to recover.\n");
12 perf_hooks__recover();
13 signal(SIGSEGV, SIG_DFL);
19 static void the_hook(void *_hook_flags)
21 int *hook_flags = _hook_flags;
25 /* Generate a segfault, test perf_hooks__recover */
29 int test__perf_hooks(struct test *test __maybe_unused, int subtest __maybe_unused)
33 signal(SIGSEGV, sigsegv_handler);
34 perf_hooks__set_hook("test", the_hook, &hook_flags);
35 perf_hooks__invoke_test();
37 /* hook is triggered? */
38 if (hook_flags != 1234) {
39 pr_debug("Setting failed: %d (%p)\n", hook_flags, &hook_flags);
43 /* the buggy hook is removed? */
44 if (perf_hooks__get_hook("test"))