#include #include #include "tests.h" #include "debug.h" #include "util.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; int *p = NULL; *hook_flags = 1234; /* Generate a segfault, test perf_hooks__recover */ *p = 0; } int test__perf_hooks(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; } net-next plumbingsTobias Klauser

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author	Cihangir Akturk <cakturk@gmail.com>	2016-12-17 19:42:17 +0200
committer	Jonathan Corbet <corbet@lwn.net>	2016-12-27 13:08:42 -0700
commit	36f671be1db1b17d3d4ab0c8b47f81ccb1efcb75 (patch)
tree	d79b8821d94660c65279378b04474e23f2e01b22 /tools/lib/traceevent
parent	66115335fbb411365c23349b2fbe7e041eabbaf2 (diff)

Documentation/unaligned-memory-access.txt: fix incorrect comparison operator

In the actual implementation ether_addr_equal function tests for equality to 0 when returning. It seems in commit 0d74c4 it is somehow overlooked to change this operator to reflect the actual function. Signed-off-by: Cihangir Akturk <cakturk@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>

Diffstat (limited to 'tools/lib/traceevent')