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-rw-r--r--tools/perf/util/evsel.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 87b431886670..413f74df08de 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -273,7 +273,7 @@ struct perf_evsel *perf_evsel__new_cycles(void)
struct perf_event_attr attr = {
.type = PERF_TYPE_HARDWARE,
.config = PERF_COUNT_HW_CPU_CYCLES,
- .exclude_kernel = 1,
+ .exclude_kernel = geteuid() != 0,
};
struct perf_evsel *evsel;
@@ -298,8 +298,10 @@ struct perf_evsel *perf_evsel__new_cycles(void)
goto out;
/* use asprintf() because free(evsel) assumes name is allocated */
- if (asprintf(&evsel->name, "cycles%.*s",
- attr.precise_ip ? attr.precise_ip + 1 : 0, ":ppp") < 0)
+ if (asprintf(&evsel->name, "cycles%s%s%.*s",
+ (attr.precise_ip || attr.exclude_kernel) ? ":" : "",
+ attr.exclude_kernel ? "u" : "",
+ attr.precise_ip ? attr.precise_ip + 1 : 0, "ppp") < 0)
goto error_free;
out:
return evsel;
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