| 1 | |
| 2 | #include <signal.h>
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| 3 | #include <stdlib.h>
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| 4 |
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| 5 | #include "tests.h"
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| 6 | #include "debug.h"
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| 7 | #include "perf-hooks.h"
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| 8 |
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| 9 | static void sigsegv_handler(int sig __maybe_unused)
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| 10 | {
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| 11 | pr_debug("SIGSEGV is observed as expected, try to recover.\n");
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| 12 | perf_hooks__recover();
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| 13 | signal(SIGSEGV, SIG_DFL);
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| 14 | raise(SIGSEGV);
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| 15 | exit(-1);
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| 16 | }
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| 17 |
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| 18 |
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| 19 | static void the_hook(void *_hook_flags)
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| 20 | {
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| 21 | int *hook_flags = _hook_flags;
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| 22 |
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| 23 | *hook_flags = 1234;
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| 24 |
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| 25 |
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| 26 | raise(SIGSEGV);
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| 27 | }
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| 28 |
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| 29 | static int test__perf_hooks(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
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| 30 | {
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| 31 | int hook_flags = 0;
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| 32 |
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| 33 | signal(SIGSEGV, sigsegv_handler);
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| 34 | perf_hooks__set_hook("test", the_hook, &hook_flags);
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| 35 | perf_hooks__invoke_test();
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| 36 |
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| 37 |
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| 38 | if (hook_flags != 1234) {
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| 39 | pr_debug("Setting failed: %d (%p)\n", hook_flags, &hook_flags);
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| 40 | return TEST_FAIL;
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| 41 | }
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| 42 |
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| 43 |
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| 44 | if (perf_hooks__get_hook("test"))
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| 45 | return TEST_FAIL;
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| 46 | return TEST_OK;
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| 47 | }
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| 48 |
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| 49 | DEFINE_SUITE("perf hooks", perf_hooks);
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