[PATCH 7/7] libperf: Add tests for perf_evlist__set_leader function

From: Jiri Olsa
Date: Tue Jul 06 2021 - 11:18:21 EST


Adding test for newly added perf_evlist__set_leader function.

Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
---
tools/lib/perf/tests/test-evlist.c | 27 +++++++++++++++++++++------
1 file changed, 21 insertions(+), 6 deletions(-)

diff --git a/tools/lib/perf/tests/test-evlist.c b/tools/lib/perf/tests/test-evlist.c
index 7435529fb21c..c67c83399170 100644
--- a/tools/lib/perf/tests/test-evlist.c
+++ b/tools/lib/perf/tests/test-evlist.c
@@ -19,6 +19,7 @@
#include <internal/tests.h>
#include <api/fs/fs.h>
#include "tests.h"
+#include <internal/evsel.h>

static int libperf_print(enum libperf_print_level level,
const char *fmt, va_list ap)
@@ -30,7 +31,7 @@ static int test_stat_cpu(void)
{
struct perf_cpu_map *cpus;
struct perf_evlist *evlist;
- struct perf_evsel *evsel;
+ struct perf_evsel *evsel, *leader;
struct perf_event_attr attr1 = {
.type = PERF_TYPE_SOFTWARE,
.config = PERF_COUNT_SW_CPU_CLOCK,
@@ -47,7 +48,7 @@ static int test_stat_cpu(void)
evlist = perf_evlist__new();
__T("failed to create evlist", evlist);

- evsel = perf_evsel__new(&attr1);
+ evsel = leader = perf_evsel__new(&attr1);
__T("failed to create evsel1", evsel);

perf_evlist__add(evlist, evsel);
@@ -57,6 +58,10 @@ static int test_stat_cpu(void)

perf_evlist__add(evlist, evsel);

+ perf_evlist__set_leader(evlist);
+ __T("failed to set leader", leader->leader == leader);
+ __T("failed to set leader", evsel->leader == leader);
+
perf_evlist__set_maps(evlist, cpus, NULL);

err = perf_evlist__open(evlist);
@@ -85,7 +90,7 @@ static int test_stat_thread(void)
struct perf_counts_values counts = { .val = 0 };
struct perf_thread_map *threads;
struct perf_evlist *evlist;
- struct perf_evsel *evsel;
+ struct perf_evsel *evsel, *leader;
struct perf_event_attr attr1 = {
.type = PERF_TYPE_SOFTWARE,
.config = PERF_COUNT_SW_CPU_CLOCK,
@@ -104,7 +109,7 @@ static int test_stat_thread(void)
evlist = perf_evlist__new();
__T("failed to create evlist", evlist);

- evsel = perf_evsel__new(&attr1);
+ evsel = leader = perf_evsel__new(&attr1);
__T("failed to create evsel1", evsel);

perf_evlist__add(evlist, evsel);
@@ -114,6 +119,10 @@ static int test_stat_thread(void)

perf_evlist__add(evlist, evsel);

+ perf_evlist__set_leader(evlist);
+ __T("failed to set leader", leader->leader == leader);
+ __T("failed to set leader", evsel->leader == leader);
+
perf_evlist__set_maps(evlist, NULL, threads);

err = perf_evlist__open(evlist);
@@ -136,7 +145,7 @@ static int test_stat_thread_enable(void)
struct perf_counts_values counts = { .val = 0 };
struct perf_thread_map *threads;
struct perf_evlist *evlist;
- struct perf_evsel *evsel;
+ struct perf_evsel *evsel, *leader;
struct perf_event_attr attr1 = {
.type = PERF_TYPE_SOFTWARE,
.config = PERF_COUNT_SW_CPU_CLOCK,
@@ -157,7 +166,7 @@ static int test_stat_thread_enable(void)
evlist = perf_evlist__new();
__T("failed to create evlist", evlist);

- evsel = perf_evsel__new(&attr1);
+ evsel = leader = perf_evsel__new(&attr1);
__T("failed to create evsel1", evsel);

perf_evlist__add(evlist, evsel);
@@ -167,6 +176,10 @@ static int test_stat_thread_enable(void)

perf_evlist__add(evlist, evsel);

+ perf_evlist__set_leader(evlist);
+ __T("failed to set leader", leader->leader == leader);
+ __T("failed to set leader", evsel->leader == leader);
+
perf_evlist__set_maps(evlist, NULL, threads);

err = perf_evlist__open(evlist);
@@ -254,6 +267,7 @@ static int test_mmap_thread(void)

evsel = perf_evsel__new(&attr);
__T("failed to create evsel1", evsel);
+ __T("failed to set leader", evsel->leader == evsel);

perf_evlist__add(evlist, evsel);

@@ -339,6 +353,7 @@ static int test_mmap_cpus(void)

evsel = perf_evsel__new(&attr);
__T("failed to create evsel1", evsel);
+ __T("failed to set leader", evsel->leader == evsel);

perf_evlist__add(evlist, evsel);

--
2.31.1