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![Ian Rogers](/assets/img/avatar_default.png)
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>
49 lines
1 KiB
C
49 lines
1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <signal.h>
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#include <stdlib.h>
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#include "tests.h"
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#include "debug.h"
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#include "perf-hooks.h"
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static void sigsegv_handler(int sig __maybe_unused)
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{
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pr_debug("SIGSEGV is observed as expected, try to recover.\n");
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perf_hooks__recover();
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signal(SIGSEGV, SIG_DFL);
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raise(SIGSEGV);
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exit(-1);
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}
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static void the_hook(void *_hook_flags)
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{
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int *hook_flags = _hook_flags;
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*hook_flags = 1234;
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/* Generate a segfault, test perf_hooks__recover */
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raise(SIGSEGV);
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}
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static int test__perf_hooks(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
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{
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int hook_flags = 0;
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signal(SIGSEGV, sigsegv_handler);
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perf_hooks__set_hook("test", the_hook, &hook_flags);
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perf_hooks__invoke_test();
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/* hook is triggered? */
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if (hook_flags != 1234) {
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pr_debug("Setting failed: %d (%p)\n", hook_flags, &hook_flags);
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return TEST_FAIL;
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}
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/* the buggy hook is removed? */
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if (perf_hooks__get_hook("test"))
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return TEST_FAIL;
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return TEST_OK;
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}
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DEFINE_SUITE("perf hooks", perf_hooks);
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