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Subject[PATCH 10/47] perf tests: Add parse events tests for leader sampling
Date
From: Jiri Olsa <jolsa@redhat.com>

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@redhat.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-tmcy0ir7i8id2t54qg5ifbio@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/tests/parse-events.c | 115 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 115 insertions(+)

diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index 344c844..b46379c 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -520,6 +520,7 @@ static int test__group1(struct perf_evlist *evlist)
TEST_ASSERT_VAL("wrong leader", perf_evsel__is_group_leader(evsel));
TEST_ASSERT_VAL("wrong nr_members", evsel->nr_members == 2);
TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* cycles:upp */
evsel = perf_evsel__next(evsel);
@@ -535,6 +536,7 @@ static int test__group1(struct perf_evlist *evlist)
TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 2);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

return 0;
}
@@ -560,6 +562,7 @@ static int test__group2(struct perf_evlist *evlist)
TEST_ASSERT_VAL("wrong leader", perf_evsel__is_group_leader(evsel));
TEST_ASSERT_VAL("wrong nr_members", evsel->nr_members == 2);
TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* cache-references + :u modifier */
evsel = perf_evsel__next(evsel);
@@ -574,6 +577,7 @@ static int test__group2(struct perf_evlist *evlist)
TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* cycles:k */
evsel = perf_evsel__next(evsel);
@@ -587,6 +591,7 @@ 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", perf_evsel__is_group_leader(evsel));
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

return 0;
}
@@ -615,6 +620,7 @@ static int test__group3(struct perf_evlist *evlist __maybe_unused)
!strcmp(leader->group_name, "group1"));
TEST_ASSERT_VAL("wrong nr_members", evsel->nr_members == 2);
TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* group1 cycles:kppp */
evsel = perf_evsel__next(evsel);
@@ -631,6 +637,7 @@ static int test__group3(struct perf_evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* group2 cycles + G modifier */
evsel = leader = perf_evsel__next(evsel);
@@ -648,6 +655,7 @@ static int test__group3(struct perf_evlist *evlist __maybe_unused)
!strcmp(leader->group_name, "group2"));
TEST_ASSERT_VAL("wrong nr_members", evsel->nr_members == 2);
TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* group2 1:3 + G modifier */
evsel = perf_evsel__next(evsel);
@@ -661,6 +669,7 @@ static int test__group3(struct perf_evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* instructions:u */
evsel = perf_evsel__next(evsel);
@@ -674,6 +683,7 @@ 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", perf_evsel__is_group_leader(evsel));
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

return 0;
}
@@ -701,6 +711,7 @@ static int test__group4(struct perf_evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong leader", perf_evsel__is_group_leader(evsel));
TEST_ASSERT_VAL("wrong nr_members", evsel->nr_members == 2);
TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* instructions:kp + p */
evsel = perf_evsel__next(evsel);
@@ -716,6 +727,7 @@ static int test__group4(struct perf_evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 2);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

return 0;
}
@@ -742,6 +754,7 @@ static int test__group5(struct perf_evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong leader", perf_evsel__is_group_leader(evsel));
TEST_ASSERT_VAL("wrong nr_members", evsel->nr_members == 2);
TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* instructions + G */
evsel = perf_evsel__next(evsel);
@@ -756,6 +769,7 @@ static int test__group5(struct perf_evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* cycles:G */
evsel = leader = perf_evsel__next(evsel);
@@ -772,6 +786,7 @@ static int test__group5(struct perf_evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong leader", perf_evsel__is_group_leader(evsel));
TEST_ASSERT_VAL("wrong nr_members", evsel->nr_members == 2);
TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+ TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);

/* instructions:G */
evsel = perf_evsel__next(evsel);
@@ -963,6 +978,98 @@ static int test__group_gh4(struct perf_evlist *evlist)
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 == leader);
+ 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);
+
+ /* instructions - 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 == 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 count_tracepoints(void)
{
char events_path[PATH_MAX];
@@ -1179,6 +1286,14 @@ static struct evlist_test test__events[] = {
.name = "{cycles:G,cache-misses:H}:uG",
.check = test__group_gh4,
},
+ [38] = {
+ .name = "{cycles,cache-misses,branch-misses}:S",
+ .check = test__leader_sample1,
+ },
+ [39] = {
+ .name = "{instructions,branch-misses}:Su",
+ .check = test__leader_sample2,
+ },
};

static struct evlist_test test__events_pmu[] = {
--
1.8.1.4


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