[PATCH 34/59] perf test: Use "dummy" events in the PERF_RECORD_ test

From: Arnaldo Carvalho de Melo
Date: Fri Jan 08 2016 - 13:23:12 EST


From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>

As we're test just the !PERF_RECORD_SAMPLE records.

Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-qp8radcz3il4q9wbnseh337d@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/tests/perf-record.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c
index 9d5f0b57c4c1..8dc0baba8798 100644
--- a/tools/perf/tests/perf-record.c
+++ b/tools/perf/tests/perf-record.c
@@ -45,7 +45,7 @@ int test__PERF_RECORD(int subtest __maybe_unused)
};
cpu_set_t cpu_mask;
size_t cpu_mask_size = sizeof(cpu_mask);
- struct perf_evlist *evlist = perf_evlist__new_default();
+ struct perf_evlist *evlist = perf_evlist__new_dummy();
struct perf_evsel *evsel;
struct perf_sample sample;
const char *cmd = "sleep";
@@ -61,6 +61,9 @@ int test__PERF_RECORD(int subtest __maybe_unused)
int total_events = 0, nr_events[PERF_RECORD_MAX] = { 0, };
char sbuf[STRERR_BUFSIZE];

+ if (evlist == NULL) /* Fallback for kernels lacking PERF_COUNT_SW_DUMMY */
+ evlist = perf_evlist__new_default();
+
if (evlist == NULL || argv == NULL) {
pr_debug("Not enough memory to create evlist\n");
goto out;
--
2.1.0