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path: root/tools/perf/tests/mmap-basic.c
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Diffstat (limited to 'tools/perf/tests/mmap-basic.c')
-rw-r--r--tools/perf/tests/mmap-basic.c40
1 files changed, 13 insertions, 27 deletions
diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c
index e1746811e14..cdd50755af5 100644
--- a/tools/perf/tests/mmap-basic.c
+++ b/tools/perf/tests/mmap-basic.c
@@ -22,36 +22,16 @@ int test__basic_mmap(void)
struct thread_map *threads;
struct cpu_map *cpus;
struct perf_evlist *evlist;
- struct perf_event_attr attr = {
- .type = PERF_TYPE_TRACEPOINT,
- .read_format = PERF_FORMAT_ID,
- .sample_type = PERF_SAMPLE_ID,
- .watermark = 0,
- };
cpu_set_t cpu_set;
const char *syscall_names[] = { "getsid", "getppid", "getpgrp",
"getpgid", };
pid_t (*syscalls[])(void) = { (void *)getsid, getppid, getpgrp,
(void*)getpgid };
#define nsyscalls ARRAY_SIZE(syscall_names)
- int ids[nsyscalls];
unsigned int nr_events[nsyscalls],
expected_nr_events[nsyscalls], i, j;
struct perf_evsel *evsels[nsyscalls], *evsel;
- for (i = 0; i < nsyscalls; ++i) {
- char name[64];
-
- snprintf(name, sizeof(name), "sys_enter_%s", syscall_names[i]);
- ids[i] = trace_event__id(name);
- if (ids[i] < 0) {
- pr_debug("Is debugfs mounted on /sys/kernel/debug?\n");
- return -1;
- }
- nr_events[i] = 0;
- expected_nr_events[i] = random() % 257;
- }
-
threads = thread_map__new(-1, getpid(), UINT_MAX);
if (threads == NULL) {
pr_debug("thread_map__new\n");
@@ -79,18 +59,19 @@ int test__basic_mmap(void)
goto out_free_cpus;
}
- /* anonymous union fields, can't be initialized above */
- attr.wakeup_events = 1;
- attr.sample_period = 1;
-
for (i = 0; i < nsyscalls; ++i) {
- attr.config = ids[i];
- evsels[i] = perf_evsel__new(&attr, i);
+ char name[64];
+
+ snprintf(name, sizeof(name), "sys_enter_%s", syscall_names[i]);
+ evsels[i] = perf_evsel__newtp("syscalls", name, i);
if (evsels[i] == NULL) {
pr_debug("perf_evsel__new\n");
goto out_free_evlist;
}
+ evsels[i]->attr.wakeup_events = 1;
+ perf_evsel__set_sample_id(evsels[i]);
+
perf_evlist__add(evlist, evsels[i]);
if (perf_evsel__open(evsels[i], cpus, threads) < 0) {
@@ -99,6 +80,9 @@ int test__basic_mmap(void)
strerror(errno));
goto out_close_fd;
}
+
+ nr_events[i] = 0;
+ expected_nr_events[i] = 1 + rand() % 127;
}
if (perf_evlist__mmap(evlist, 128, true) < 0) {
@@ -128,6 +112,7 @@ int test__basic_mmap(void)
goto out_munmap;
}
+ err = -1;
evsel = perf_evlist__id2evsel(evlist, sample.id);
if (evsel == NULL) {
pr_debug("event with id %" PRIu64
@@ -137,16 +122,17 @@ int test__basic_mmap(void)
nr_events[evsel->idx]++;
}
+ err = 0;
list_for_each_entry(evsel, &evlist->entries, node) {
if (nr_events[evsel->idx] != expected_nr_events[evsel->idx]) {
pr_debug("expected %d %s events, got %d\n",
expected_nr_events[evsel->idx],
perf_evsel__name(evsel), nr_events[evsel->idx]);
+ err = -1;
goto out_munmap;
}
}
- err = 0;
out_munmap:
perf_evlist__munmap(evlist);
out_close_fd: