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47 lines
988 B
47 lines
988 B
// 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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int test__perf_hooks(struct test *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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