perf tools: Enable config and setting names for legacy cache events
This patch allows setting config terms for legacy cache events.
For example:
# perf stat -e L1-icache-misses/name=valA/ -e branches/name=valB/ ls
...
Performance counter stats for 'ls':
11299 valA
451605 valB
0.000779091 seconds time elapsed
# perf record -e cache-misses/name=inh/ -e cache-misses/name=noinh,no-inherit/ bash
# ls
# exit
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.023 MB perf.data (131 samples) ]
# perf report --stdio | grep -B 1 'Event count'
# Samples: 105 of event 'inh'
# Event count (approx.): 109118
--
# Samples: 26 of event 'noinh'
# Event count (approx.): 48302
A test case is introduced to test this feature.
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Cody P Schafer <dev@codyps.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Jeremie Galarneau <jeremie.galarneau@efficios.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kirill Smelkov <kirr@nexedi.com>
Cc: Li Zefan <lizefan@huawei.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com
Link: http://lkml.kernel.org/r/1455882283-79592-14-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index 15e2d05..7865f68 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -1295,6 +1295,13 @@
return 0;
}
+static int test__checkevent_config_cache(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong name setting", strcmp(evsel->name, "cachepmu") == 0);
+ return 0;
+}
static int count_tracepoints(void)
{
@@ -1619,6 +1626,11 @@
.check = test__checkevent_config_num,
.id = 50,
},
+ {
+ .name = "L1-dcache-misses/name=cachepmu/",
+ .check = test__checkevent_config_cache,
+ .id = 51,
+ },
};
static struct evlist_test test__events_pmu[] = {