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-rw-r--r--tools/perf/tests/cpumap.c137
1 files changed, 137 insertions, 0 deletions
diff --git a/tools/perf/tests/cpumap.c b/tools/perf/tests/cpumap.c
new file mode 100644
index 000000000..29c793ac7
--- /dev/null
+++ b/tools/perf/tests/cpumap.c
@@ -0,0 +1,137 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "tests.h"
+#include <stdio.h>
+#include "cpumap.h"
+#include "event.h"
+#include "util/synthetic-events.h"
+#include <string.h>
+#include <linux/bitops.h>
+#include <perf/cpumap.h>
+#include "debug.h"
+
+struct machine;
+
+static int process_event_mask(struct perf_tool *tool __maybe_unused,
+ union perf_event *event,
+ struct perf_sample *sample __maybe_unused,
+ struct machine *machine __maybe_unused)
+{
+ struct perf_record_cpu_map *map_event = &event->cpu_map;
+ struct perf_record_record_cpu_map *mask;
+ struct perf_record_cpu_map_data *data;
+ struct perf_cpu_map *map;
+ int i;
+
+ data = &map_event->data;
+
+ TEST_ASSERT_VAL("wrong type", data->type == PERF_CPU_MAP__MASK);
+
+ mask = (struct perf_record_record_cpu_map *)data->data;
+
+ TEST_ASSERT_VAL("wrong nr", mask->nr == 1);
+
+ for (i = 0; i < 20; i++) {
+ TEST_ASSERT_VAL("wrong cpu", test_bit(i, mask->mask));
+ }
+
+ map = cpu_map__new_data(data);
+ TEST_ASSERT_VAL("wrong nr", map->nr == 20);
+
+ for (i = 0; i < 20; i++) {
+ TEST_ASSERT_VAL("wrong cpu", map->map[i] == i);
+ }
+
+ perf_cpu_map__put(map);
+ return 0;
+}
+
+static int process_event_cpus(struct perf_tool *tool __maybe_unused,
+ union perf_event *event,
+ struct perf_sample *sample __maybe_unused,
+ struct machine *machine __maybe_unused)
+{
+ struct perf_record_cpu_map *map_event = &event->cpu_map;
+ struct cpu_map_entries *cpus;
+ struct perf_record_cpu_map_data *data;
+ struct perf_cpu_map *map;
+
+ data = &map_event->data;
+
+ TEST_ASSERT_VAL("wrong type", data->type == PERF_CPU_MAP__CPUS);
+
+ cpus = (struct cpu_map_entries *)data->data;
+
+ TEST_ASSERT_VAL("wrong nr", cpus->nr == 2);
+ TEST_ASSERT_VAL("wrong cpu", cpus->cpu[0] == 1);
+ TEST_ASSERT_VAL("wrong cpu", cpus->cpu[1] == 256);
+
+ map = cpu_map__new_data(data);
+ TEST_ASSERT_VAL("wrong nr", map->nr == 2);
+ TEST_ASSERT_VAL("wrong cpu", map->map[0] == 1);
+ TEST_ASSERT_VAL("wrong cpu", map->map[1] == 256);
+ TEST_ASSERT_VAL("wrong refcnt", refcount_read(&map->refcnt) == 1);
+ perf_cpu_map__put(map);
+ return 0;
+}
+
+
+int test__cpu_map_synthesize(struct test *test __maybe_unused, int subtest __maybe_unused)
+{
+ struct perf_cpu_map *cpus;
+
+ /* This one is better stores in mask. */
+ cpus = perf_cpu_map__new("0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19");
+
+ TEST_ASSERT_VAL("failed to synthesize map",
+ !perf_event__synthesize_cpu_map(NULL, cpus, process_event_mask, NULL));
+
+ perf_cpu_map__put(cpus);
+
+ /* This one is better stores in cpu values. */
+ cpus = perf_cpu_map__new("1,256");
+
+ TEST_ASSERT_VAL("failed to synthesize map",
+ !perf_event__synthesize_cpu_map(NULL, cpus, process_event_cpus, NULL));
+
+ perf_cpu_map__put(cpus);
+ return 0;
+}
+
+static int cpu_map_print(const char *str)
+{
+ struct perf_cpu_map *map = perf_cpu_map__new(str);
+ char buf[100];
+
+ if (!map)
+ return -1;
+
+ cpu_map__snprint(map, buf, sizeof(buf));
+ return !strcmp(buf, str);
+}
+
+int test__cpu_map_print(struct test *test __maybe_unused, int subtest __maybe_unused)
+{
+ TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1"));
+ TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,5"));
+ TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,3,5,7,9,11,13,15,17,19,21-40"));
+ TEST_ASSERT_VAL("failed to convert map", cpu_map_print("2-5"));
+ TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,3-6,8-10,24,35-37"));
+ TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,3-6,8-10,24,35-37"));
+ TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1-10,12-20,22-30,32-40"));
+ return 0;
+}
+
+int test__cpu_map_merge(struct test *test __maybe_unused, int subtest __maybe_unused)
+{
+ struct perf_cpu_map *a = perf_cpu_map__new("4,2,1");
+ struct perf_cpu_map *b = perf_cpu_map__new("4,5,7");
+ struct perf_cpu_map *c = perf_cpu_map__merge(a, b);
+ char buf[100];
+
+ TEST_ASSERT_VAL("failed to merge map: bad nr", c->nr == 5);
+ cpu_map__snprint(c, buf, sizeof(buf));
+ TEST_ASSERT_VAL("failed to merge map: bad result", !strcmp(buf, "1-2,4-5,7"));
+ perf_cpu_map__put(b);
+ perf_cpu_map__put(c);
+ return 0;
+}