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Diffstat (limited to 'tools/perf/util/mem-events.c')
-rw-r--r--tools/perf/util/mem-events.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c
index 51e53e33df03..32890848bb3d 100644
--- a/tools/perf/util/mem-events.c
+++ b/tools/perf/util/mem-events.c
@@ -17,12 +17,12 @@
unsigned int perf_mem_events__loads_ldlat = 30;
-#define E(t, n, s, l, a) { .tag = t, .name = n, .sysfs_name = s, .ldlat = l, .aux_event = a }
+#define E(t, n, s, l, a) { .tag = t, .name = n, .event_name = s, .ldlat = l, .aux_event = a }
struct perf_mem_event perf_mem_events[PERF_MEM_EVENTS__MAX] = {
- E("ldlat-loads", "%s/mem-loads,ldlat=%u/P", "cpu/events/mem-loads", true, 0),
- E("ldlat-stores", "%s/mem-stores/P", "cpu/events/mem-stores", false, 0),
- E(NULL, NULL, NULL, false, 0),
+ E("ldlat-loads", "%s/mem-loads,ldlat=%u/P", "mem-loads", true, 0),
+ E("ldlat-stores", "%s/mem-stores/P", "mem-stores", false, 0),
+ E(NULL, NULL, NULL, false, 0),
};
#undef E
@@ -151,15 +151,17 @@ int perf_pmu__mem_events_parse(struct perf_pmu *pmu, const char *str)
return -1;
}
-static bool perf_mem_event__supported(const char *mnt, struct perf_pmu *pmu,
+static bool perf_pmu__mem_events_supported(const char *mnt, struct perf_pmu *pmu,
struct perf_mem_event *e)
{
- char sysfs_name[100];
char path[PATH_MAX];
struct stat st;
- scnprintf(sysfs_name, sizeof(sysfs_name), e->sysfs_name, pmu->name);
- scnprintf(path, PATH_MAX, "%s/devices/%s", mnt, sysfs_name);
+ if (!e->event_name)
+ return true;
+
+ scnprintf(path, PATH_MAX, "%s/devices/%s/events/%s", mnt, pmu->name, e->event_name);
+
return !stat(path, &st);
}
@@ -182,7 +184,7 @@ int perf_pmu__mem_events_init(struct perf_pmu *pmu)
if (!e->tag)
continue;
- e->supported |= perf_mem_event__supported(mnt, pmu, e);
+ e->supported |= perf_pmu__mem_events_supported(mnt, pmu, e);
if (e->supported)
found = true;
}
@@ -234,7 +236,7 @@ int perf_mem_events__record_args(const char **rec_argv, int *argv_nr,
} else {
const char *s = perf_pmu__mem_events_name(j, pmu);
- if (!perf_mem_event__supported(mnt, pmu, e))
+ if (!perf_pmu__mem_events_supported(mnt, pmu, e))
continue;
rec_argv[i++] = "-e";