[PATCH 09/11] perf test: Add parse events tests for leader sampling

From: Jiri Olsa
Date: Sat Oct 20 2012 - 10:33:52 EST


Adding 2 more tests to the automated parse events suite
for following event config:

'{cycles,cache-misses,branch-misses}:S'
'{instructions,branch-misses}:Su'

Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Corey Ashford <cjashfor@xxxxxxxxxxxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
---
tools/perf/util/parse-events-test.c | 117 ++++++++++++++++++++++++++++++++++++
1 file changed, 117 insertions(+)

diff --git a/tools/perf/util/parse-events-test.c b/tools/perf/util/parse-events-test.c
index d7244e5..903ba77 100644
--- a/tools/perf/util/parse-events-test.c
+++ b/tools/perf/util/parse-events-test.c
@@ -504,6 +504,7 @@ static int test__group1(struct perf_evlist *evlist)
TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* cycles:upp */
evsel = perf_evsel__next(evsel);
@@ -517,6 +518,7 @@ static int test__group1(struct perf_evlist *evlist)
TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 2);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

return 0;
}
@@ -539,6 +541,7 @@ static int test__group2(struct perf_evlist *evlist)
TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* cache-references + :u modifier */
evsel = perf_evsel__next(evsel);
@@ -552,6 +555,7 @@ static int test__group2(struct perf_evlist *evlist)
TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* cycles:k */
evsel = perf_evsel__next(evsel);
@@ -565,6 +569,7 @@ static int test__group2(struct perf_evlist *evlist)
TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

return 0;
}
@@ -590,6 +595,7 @@ static int test__group3(struct perf_evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
TEST_ASSERT_VAL("wrong group name",
!strcmp(leader->group_name, "group1"));
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* group1 cycles:kppp */
evsel = perf_evsel__next(evsel);
@@ -604,6 +610,7 @@ static int test__group3(struct perf_evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 3);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* group2 cycles + G modifier */
evsel = leader = perf_evsel__next(evsel);
@@ -619,6 +626,7 @@ static int test__group3(struct perf_evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
TEST_ASSERT_VAL("wrong group name",
!strcmp(leader->group_name, "group2"));
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* group2 1:3 + G modifier */
evsel = perf_evsel__next(evsel);
@@ -631,6 +639,7 @@ static int test__group3(struct perf_evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* instructions:u */
evsel = perf_evsel__next(evsel);
@@ -644,6 +653,7 @@ static int test__group3(struct perf_evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

return 0;
}
@@ -667,6 +677,7 @@ static int test__group4(struct perf_evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 1);
TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* instructions:kp + p */
evsel = perf_evsel__next(evsel);
@@ -680,6 +691,7 @@ static int test__group4(struct perf_evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 2);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

return 0;
}
@@ -703,6 +715,7 @@ static int test__group5(struct perf_evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* instructions + G */
evsel = perf_evsel__next(evsel);
@@ -716,6 +729,7 @@ static int test__group5(struct perf_evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* cycles:G */
evsel = leader = perf_evsel__next(evsel);
@@ -730,6 +744,7 @@ static int test__group5(struct perf_evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* instructions:G */
evsel = perf_evsel__next(evsel);
@@ -743,6 +758,7 @@ static int test__group5(struct perf_evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* cycles */
evsel = perf_evsel__next(evsel);
@@ -756,6 +772,99 @@ static int test__group5(struct perf_evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
+
+ return 0;
+}
+
+static int test__leader_sample1(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel, *leader;
+
+ TEST_ASSERT_VAL("wrong number of entries", 3 == evlist->nr_entries);
+
+ /* cycles - sampling group leader */
+ evsel = leader = perf_evlist__first(evlist);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+ TEST_ASSERT_VAL("wrong sample_read", evsel->sample_read);
+
+ /* cache-misses - not sampling */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_CACHE_MISSES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+ TEST_ASSERT_VAL("wrong sample_read", evsel->sample_read);
+
+ /* branch-misses - not sampling */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_BRANCH_MISSES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+ TEST_ASSERT_VAL("wrong sample_read", evsel->sample_read);
+
+ return 0;
+}
+
+static int test__leader_sample2(struct perf_evlist *evlist __maybe_unused)
+{
+ struct perf_evsel *evsel, *leader;
+
+ TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->nr_entries);
+
+ /* cycles - sampling group leader */
+ evsel = leader = perf_evlist__first(evlist);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_INSTRUCTIONS == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == NULL);
+ TEST_ASSERT_VAL("wrong sample_read", evsel->sample_read);
+
+ /* branch-misses - not sampling */
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_BRANCH_MISSES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+ TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
+ TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
+ TEST_ASSERT_VAL("wrong sample_read", evsel->sample_read);

return 0;
}
@@ -899,6 +1008,14 @@ static struct test__event_st test__events[] = {
.name = "{cycles,instructions}:G,{cycles:G,instructions:G},cycles",
.check = test__group5,
},
+ [33] = {
+ .name = "{cycles,cache-misses,branch-misses}:S",
+ .check = test__leader_sample1,
+ },
+ [34] = {
+ .name = "{instructions,branch-misses}:Su",
+ .check = test__leader_sample2,
+ },
};

static struct test__event_st test__events_pmu[] = {
--
1.7.11.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/