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f77b57ad4f
Introducing the cpu_map__new_event function to create a struct cpu_map object from a cpu_map event. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Kan Liang <kan.liang@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1445784728-21732-10-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
89 lines
2.3 KiB
C
89 lines
2.3 KiB
C
#include "tests.h"
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#include "cpumap.h"
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static int process_event_mask(struct perf_tool *tool __maybe_unused,
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union perf_event *event,
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struct perf_sample *sample __maybe_unused,
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struct machine *machine __maybe_unused)
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{
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struct cpu_map_event *map_event = &event->cpu_map;
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struct cpu_map_mask *mask;
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struct cpu_map_data *data;
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struct cpu_map *map;
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int i;
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data = &map_event->data;
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TEST_ASSERT_VAL("wrong type", data->type == PERF_CPU_MAP__MASK);
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mask = (struct cpu_map_mask *)data->data;
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TEST_ASSERT_VAL("wrong nr", mask->nr == 1);
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for (i = 0; i < 20; i++) {
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TEST_ASSERT_VAL("wrong cpu", test_bit(i, mask->mask));
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}
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map = cpu_map__new_data(data);
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TEST_ASSERT_VAL("wrong nr", map->nr == 20);
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for (i = 0; i < 20; i++) {
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TEST_ASSERT_VAL("wrong cpu", map->map[i] == i);
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}
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cpu_map__put(map);
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return 0;
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}
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static int process_event_cpus(struct perf_tool *tool __maybe_unused,
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union perf_event *event,
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struct perf_sample *sample __maybe_unused,
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struct machine *machine __maybe_unused)
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{
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struct cpu_map_event *map_event = &event->cpu_map;
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struct cpu_map_entries *cpus;
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struct cpu_map_data *data;
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struct cpu_map *map;
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data = &map_event->data;
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TEST_ASSERT_VAL("wrong type", data->type == PERF_CPU_MAP__CPUS);
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cpus = (struct cpu_map_entries *)data->data;
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TEST_ASSERT_VAL("wrong nr", cpus->nr == 2);
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TEST_ASSERT_VAL("wrong cpu", cpus->cpu[0] == 1);
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TEST_ASSERT_VAL("wrong cpu", cpus->cpu[1] == 256);
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map = cpu_map__new_data(data);
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TEST_ASSERT_VAL("wrong nr", map->nr == 2);
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TEST_ASSERT_VAL("wrong cpu", map->map[0] == 1);
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TEST_ASSERT_VAL("wrong cpu", map->map[1] == 256);
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TEST_ASSERT_VAL("wrong refcnt", atomic_read(&map->refcnt) == 1);
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cpu_map__put(map);
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return 0;
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}
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int test__cpu_map_synthesize(int subtest __maybe_unused)
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{
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struct cpu_map *cpus;
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/* This one is better stores in mask. */
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cpus = cpu_map__new("0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19");
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TEST_ASSERT_VAL("failed to synthesize map",
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!perf_event__synthesize_cpu_map(NULL, cpus, process_event_mask, NULL));
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cpu_map__put(cpus);
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/* This one is better stores in cpu values. */
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cpus = cpu_map__new("1,256");
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TEST_ASSERT_VAL("failed to synthesize map",
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!perf_event__synthesize_cpu_map(NULL, cpus, process_event_cpus, NULL));
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cpu_map__put(cpus);
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return 0;
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}
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