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perf test: Use strerror_r instead of strerror

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Use strerror_r instead of strerror in error messages for thread-safety.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Naohiro Aota <naota@elisp.net>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20140814022245.3545.91394.stgit@kbuild-fedora.novalocal
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Masami Hiramatsu 2014-08-14 02:22:45 +00:00 committed by Arnaldo Carvalho de Melo
parent 35550da389
commit ba3dfff8ad
9 changed files with 38 additions and 19 deletions
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4
tools/perf/tests/builtin-test.c
View file

@ -185,9 +185,11 @@ static bool perf_test__matches(int curr, int argc, const char *argv[])
static int run_test(struct test *test)
{
int status, err = -1, child = fork();
char sbuf[STRERR_BUFSIZE];
if (child < 0) {
pr_err("failed to fork test: %s\n", strerror(errno));
pr_err("failed to fork test: %s\n",
strerror_r(errno, sbuf, sizeof(sbuf)));
return -1;
}

7
tools/perf/tests/mmap-basic.c
View file

@ -31,6 +31,7 @@ int test__basic_mmap(void)
unsigned int nr_events[nsyscalls],
expected_nr_events[nsyscalls], i, j;
struct perf_evsel *evsels[nsyscalls], *evsel;
char sbuf[STRERR_BUFSIZE];
threads = thread_map__new(-1, getpid(), UINT_MAX);
if (threads == NULL) {
@ -49,7 +50,7 @@ int test__basic_mmap(void)
sched_setaffinity(0, sizeof(cpu_set), &cpu_set);
if (sched_setaffinity(0, sizeof(cpu_set), &cpu_set) < 0) {
pr_debug("sched_setaffinity() failed on CPU %d: %s ",
cpus->map[0], strerror(errno));
cpus->map[0], strerror_r(errno, sbuf, sizeof(sbuf)));
goto out_free_cpus;
}
@ -79,7 +80,7 @@ int test__basic_mmap(void)
if (perf_evsel__open(evsels[i], cpus, threads) < 0) {
pr_debug("failed to open counter: %s, "
"tweak /proc/sys/kernel/perf_event_paranoid?\n",
strerror(errno));
strerror_r(errno, sbuf, sizeof(sbuf)));
goto out_delete_evlist;
}
@ -89,7 +90,7 @@ int test__basic_mmap(void)
if (perf_evlist__mmap(evlist, 128, true) < 0) {
pr_debug("failed to mmap events: %d (%s)\n", errno,
strerror(errno));
strerror_r(errno, sbuf, sizeof(sbuf)));
goto out_delete_evlist;
}

5
tools/perf/tests/open-syscall-all-cpus.c
View file

@ -12,6 +12,7 @@ int test__open_syscall_event_on_all_cpus(void)
unsigned int nr_open_calls = 111, i;
cpu_set_t cpu_set;
struct thread_map *threads = thread_map__new(-1, getpid(), UINT_MAX);
char sbuf[STRERR_BUFSIZE];
if (threads == NULL) {
pr_debug("thread_map__new\n");
@ -35,7 +36,7 @@ int test__open_syscall_event_on_all_cpus(void)
if (perf_evsel__open(evsel, cpus, threads) < 0) {
pr_debug("failed to open counter: %s, "
"tweak /proc/sys/kernel/perf_event_paranoid?\n",
strerror(errno));
strerror_r(errno, sbuf, sizeof(sbuf)));
goto out_evsel_delete;
}
@ -56,7 +57,7 @@ int test__open_syscall_event_on_all_cpus(void)
if (sched_setaffinity(0, sizeof(cpu_set), &cpu_set) < 0) {
pr_debug("sched_setaffinity() failed on CPU %d: %s ",
cpus->map[cpu],
strerror(errno));
strerror_r(errno, sbuf, sizeof(sbuf)));
goto out_close_fd;
}
for (i = 0; i < ncalls; ++i) {

7
tools/perf/tests/open-syscall-tp-fields.c
View file

@ -22,6 +22,7 @@ int test__syscall_open_tp_fields(void)
struct perf_evlist *evlist = perf_evlist__new();
struct perf_evsel *evsel;
int err = -1, i, nr_events = 0, nr_polls = 0;
char sbuf[STRERR_BUFSIZE];
if (evlist == NULL) {
pr_debug("%s: perf_evlist__new\n", __func__);
@ -48,13 +49,15 @@ int test__syscall_open_tp_fields(void)
err = perf_evlist__open(evlist);
if (err < 0) {
pr_debug("perf_evlist__open: %s\n", strerror(errno));
pr_debug("perf_evlist__open: %s\n",
strerror_r(errno, sbuf, sizeof(sbuf)));
goto out_delete_evlist;
}
err = perf_evlist__mmap(evlist, UINT_MAX, false);
if (err < 0) {
pr_debug("perf_evlist__mmap: %s\n", strerror(errno));
pr_debug("perf_evlist__mmap: %s\n",
strerror_r(errno, sbuf, sizeof(sbuf)));
goto out_delete_evlist;
}

3
tools/perf/tests/open-syscall.c
View file

@ -9,6 +9,7 @@ int test__open_syscall_event(void)
struct perf_evsel *evsel;
unsigned int nr_open_calls = 111, i;
struct thread_map *threads = thread_map__new(-1, getpid(), UINT_MAX);
char sbuf[STRERR_BUFSIZE];
if (threads == NULL) {
pr_debug("thread_map__new\n");
@ -24,7 +25,7 @@ int test__open_syscall_event(void)
if (perf_evsel__open_per_thread(evsel, threads) < 0) {
pr_debug("failed to open counter: %s, "
"tweak /proc/sys/kernel/perf_event_paranoid?\n",
strerror(errno));
strerror_r(errno, sbuf, sizeof(sbuf)));
goto out_evsel_delete;
}

13
tools/perf/tests/perf-record.c
View file

@ -59,6 +59,7 @@ int test__PERF_RECORD(void)
int err = -1, errs = 0, i, wakeups = 0;
u32 cpu;
int total_events = 0, nr_events[PERF_RECORD_MAX] = { 0, };
char sbuf[STRERR_BUFSIZE];
if (evlist == NULL || argv == NULL) {
pr_debug("Not enough memory to create evlist\n");
@ -100,7 +101,8 @@ int test__PERF_RECORD(void)
err = sched__get_first_possible_cpu(evlist->workload.pid, &cpu_mask);
if (err < 0) {
pr_debug("sched__get_first_possible_cpu: %s\n", strerror(errno));
pr_debug("sched__get_first_possible_cpu: %s\n",
strerror_r(errno, sbuf, sizeof(sbuf)));
goto out_delete_evlist;
}
@ -110,7 +112,8 @@ int test__PERF_RECORD(void)
* So that we can check perf_sample.cpu on all the samples.
*/
if (sched_setaffinity(evlist->workload.pid, cpu_mask_size, &cpu_mask) < 0) {
pr_debug("sched_setaffinity: %s\n", strerror(errno));
pr_debug("sched_setaffinity: %s\n",
strerror_r(errno, sbuf, sizeof(sbuf)));
goto out_delete_evlist;
}
@ -120,7 +123,8 @@ int test__PERF_RECORD(void)
*/
err = perf_evlist__open(evlist);
if (err < 0) {
pr_debug("perf_evlist__open: %s\n", strerror(errno));
pr_debug("perf_evlist__open: %s\n",
strerror_r(errno, sbuf, sizeof(sbuf)));
goto out_delete_evlist;
}
@ -131,7 +135,8 @@ int test__PERF_RECORD(void)
*/
err = perf_evlist__mmap(evlist, opts.mmap_pages, false);
if (err < 0) {
pr_debug("perf_evlist__mmap: %s\n", strerror(errno));
pr_debug("perf_evlist__mmap: %s\n",
strerror_r(errno, sbuf, sizeof(sbuf)));
goto out_delete_evlist;
}

6
tools/perf/tests/rdpmc.c
View file

@ -100,6 +100,7 @@ static int __test__rdpmc(void)
};
u64 delta_sum = 0;
struct sigaction sa;
char sbuf[STRERR_BUFSIZE];
sigfillset(&sa.sa_mask);
sa.sa_sigaction = segfault_handler;
@ -109,14 +110,15 @@ static int __test__rdpmc(void)
perf_event_open_cloexec_flag());
if (fd < 0) {
pr_err("Error: sys_perf_event_open() syscall returned "
"with %d (%s)\n", fd, strerror(errno));
"with %d (%s)\n", fd,
strerror_r(errno, sbuf, sizeof(sbuf)));
return -1;
}
addr = mmap(NULL, page_size, PROT_READ, MAP_SHARED, fd, 0);
if (addr == (void *)(-1)) {
pr_err("Error: mmap() syscall returned with (%s)\n",
strerror(errno));
strerror_r(errno, sbuf, sizeof(sbuf)));
goto out_close;
}

6
tools/perf/tests/sw-clock.c
View file

@ -22,6 +22,7 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id)
volatile int tmp = 0;
u64 total_periods = 0;
int nr_samples = 0;
char sbuf[STRERR_BUFSIZE];
union perf_event *event;
struct perf_evsel *evsel;
struct perf_evlist *evlist;
@ -62,14 +63,15 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id)
err = -errno;
pr_debug("Couldn't open evlist: %s\nHint: check %s, using %" PRIu64 " in this test.\n",
strerror(errno), knob, (u64)attr.sample_freq);
strerror_r(errno, sbuf, sizeof(sbuf)),
knob, (u64)attr.sample_freq);
goto out_delete_evlist;
}
err = perf_evlist__mmap(evlist, 128, true);
if (err < 0) {
pr_debug("failed to mmap event: %d (%s)\n", errno,
strerror(errno));
strerror_r(errno, sbuf, sizeof(sbuf)));
goto out_delete_evlist;
}

6
tools/perf/tests/task-exit.c
View file

@ -42,6 +42,7 @@ int test__task_exit(void)
.uses_mmap = true,
};
const char *argv[] = { "true", NULL };
char sbuf[STRERR_BUFSIZE];
signal(SIGCHLD, sig_handler);
@ -82,13 +83,14 @@ int test__task_exit(void)
err = perf_evlist__open(evlist);
if (err < 0) {
pr_debug("Couldn't open the evlist: %s\n", strerror(-err));
pr_debug("Couldn't open the evlist: %s\n",
strerror_r(-err, sbuf, sizeof(sbuf)));
goto out_delete_evlist;
}
if (perf_evlist__mmap(evlist, 128, true) < 0) {
pr_debug("failed to mmap events: %d (%s)\n", errno,
strerror(errno));
strerror_r(errno, sbuf, sizeof(sbuf)));
goto out_delete_evlist;
}