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perf bench: Clear struct sigaction before sigaction() syscall

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Avoid garbage in sigaction structs used in sigaction() syscalls.
Valgrind is complaining about it.

Signed-off-by: Tommi Rantala <tommi.t.rantala@nokia.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Changbin Du <changbin.du@intel.com>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lore.kernel.org/lkml/20200305083714.9381-4-tommi.t.rantala@nokia.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Tommi Rantala 2020-03-05 10:37:14 +02:00 committed by Arnaldo Carvalho de Melo
parent f649bd9dd5
commit 7b919a5310
7 changed files with 7 additions and 0 deletions
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1
tools/perf/bench/epoll-ctl.c
View File

@ -312,6 +312,7 @@ int bench_epoll_ctl(int argc, const char **argv)
exit(EXIT_FAILURE);
}
memset(&act, 0, sizeof(act));
sigfillset(&act.sa_mask);
act.sa_sigaction = toggle_done;
sigaction(SIGINT, &act, NULL);

1
tools/perf/bench/epoll-wait.c
View File

@ -426,6 +426,7 @@ int bench_epoll_wait(int argc, const char **argv)
exit(EXIT_FAILURE);
}
memset(&act, 0, sizeof(act));
sigfillset(&act.sa_mask);
act.sa_sigaction = toggle_done;
sigaction(SIGINT, &act, NULL);

1
tools/perf/bench/futex-hash.c
View File

@ -137,6 +137,7 @@ int bench_futex_hash(int argc, const char **argv)
if (!cpu)
goto errmem;
memset(&act, 0, sizeof(act));
sigfillset(&act.sa_mask);
act.sa_sigaction = toggle_done;
sigaction(SIGINT, &act, NULL);

1
tools/perf/bench/futex-lock-pi.c
View File

@ -160,6 +160,7 @@ int bench_futex_lock_pi(int argc, const char **argv)
if (!cpu)
err(EXIT_FAILURE, "calloc");
memset(&act, 0, sizeof(act));
sigfillset(&act.sa_mask);
act.sa_sigaction = toggle_done;
sigaction(SIGINT, &act, NULL);

1
tools/perf/bench/futex-requeue.c
View File

@ -128,6 +128,7 @@ int bench_futex_requeue(int argc, const char **argv)
if (!cpu)
err(EXIT_FAILURE, "cpu_map__new");
memset(&act, 0, sizeof(act));
sigfillset(&act.sa_mask);
act.sa_sigaction = toggle_done;
sigaction(SIGINT, &act, NULL);

1
tools/perf/bench/futex-wake-parallel.c
View File

@ -234,6 +234,7 @@ int bench_futex_wake_parallel(int argc, const char **argv)
exit(EXIT_FAILURE);
}
memset(&act, 0, sizeof(act));
sigfillset(&act.sa_mask);
act.sa_sigaction = toggle_done;
sigaction(SIGINT, &act, NULL);

1
tools/perf/bench/futex-wake.c
View File

@ -136,6 +136,7 @@ int bench_futex_wake(int argc, const char **argv)
if (!cpu)
err(EXIT_FAILURE, "calloc");
memset(&act, 0, sizeof(act));
sigfillset(&act.sa_mask);
act.sa_sigaction = toggle_done;
sigaction(SIGINT, &act, NULL);