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Date: Tue, 30 Jul 2019 12:05:32 -0700 From: tip-bot for Jiri Olsa <tipbot@...or.com> To: linux-tip-commits@...r.kernel.org Cc: tglx@...utronix.de, linux-kernel@...r.kernel.org, acme@...hat.com, mingo@...nel.org, mpetlan@...hat.com, jolsa@...nel.org, hpa@...or.com, alexey.budankov@...ux.intel.com, alexander.shishkin@...ux.intel.com, peterz@...radead.org, ak@...ux.intel.com, namhyung@...nel.org Subject: [tip:perf/core] libperf: Add perf_evlist__enable/disable test Commit-ID: 6bda376ff416cf713773d38b743953a1a9bc0603 Gitweb: https://git.kernel.org/tip/6bda376ff416cf713773d38b743953a1a9bc0603 Author: Jiri Olsa <jolsa@...nel.org> AuthorDate: Sun, 21 Jul 2019 13:25:04 +0200 Committer: Arnaldo Carvalho de Melo <acme@...hat.com> CommitDate: Mon, 29 Jul 2019 18:34:47 -0300 libperf: Add perf_evlist__enable/disable test Add simple perf_evlist enable/disable test together with evlist counter reading interface. Committer testing: # make -C tools/perf/lib tests make: Entering directory '/home/acme/git/perf/tools/perf/lib' LINK test-cpumap-a LINK test-threadmap-a LINK test-evlist-a LINK test-evsel-a LINK test-cpumap-so LINK test-threadmap-so LINK test-evlist-so LINK test-evsel-so running static: - running test-cpumap.c...OK - running test-threadmap.c...OK - running test-evlist.c...OK - running test-evsel.c...OK running dynamic: - running test-cpumap.c...OK - running test-threadmap.c...OK - running test-evlist.c...OK - running test-evsel.c...OK make: Leaving directory '/home/acme/git/perf/tools/perf/lib' # Signed-off-by: Jiri Olsa <jolsa@...nel.org> Tested-by: Arnaldo Carvalho de Melo <acme@...hat.com> Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com> Cc: Alexey Budankov <alexey.budankov@...ux.intel.com> Cc: Andi Kleen <ak@...ux.intel.com> Cc: Michael Petlan <mpetlan@...hat.com> Cc: Namhyung Kim <namhyung@...nel.org> Cc: Peter Zijlstra <peterz@...radead.org> Link: http://lkml.kernel.org/r/20190721112506.12306-78-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com> --- tools/perf/lib/tests/test-evlist.c | 63 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) diff --git a/tools/perf/lib/tests/test-evlist.c b/tools/perf/lib/tests/test-evlist.c index f24c531afcb6..4e1407f20ffd 100644 --- a/tools/perf/lib/tests/test-evlist.c +++ b/tools/perf/lib/tests/test-evlist.c @@ -111,12 +111,75 @@ static int test_stat_thread(void) return 0; } +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_event_attr attr1 = { + .type = PERF_TYPE_SOFTWARE, + .config = PERF_COUNT_SW_CPU_CLOCK, + .disabled = 1, + }; + struct perf_event_attr attr2 = { + .type = PERF_TYPE_SOFTWARE, + .config = PERF_COUNT_SW_TASK_CLOCK, + .disabled = 1, + }; + int err; + + threads = perf_thread_map__new_dummy(); + __T("failed to create threads", threads); + + perf_thread_map__set_pid(threads, 0, 0); + + evlist = perf_evlist__new(); + __T("failed to create evlist", evlist); + + evsel = perf_evsel__new(&attr1); + __T("failed to create evsel1", evsel); + + perf_evlist__add(evlist, evsel); + + evsel = perf_evsel__new(&attr2); + __T("failed to create evsel2", evsel); + + perf_evlist__add(evlist, evsel); + + perf_evlist__set_maps(evlist, NULL, threads); + + err = perf_evlist__open(evlist); + __T("failed to open evsel", err == 0); + + perf_evlist__for_each_evsel(evlist, evsel) { + perf_evsel__read(evsel, 0, 0, &counts); + __T("failed to read value for evsel", counts.val == 0); + } + + perf_evlist__enable(evlist); + + perf_evlist__for_each_evsel(evlist, evsel) { + perf_evsel__read(evsel, 0, 0, &counts); + __T("failed to read value for evsel", counts.val != 0); + } + + perf_evlist__disable(evlist); + + perf_evlist__close(evlist); + perf_evlist__delete(evlist); + + perf_thread_map__put(threads); + return 0; +} + int main(int argc, char **argv) { __T_START; test_stat_cpu(); test_stat_thread(); + test_stat_thread_enable(); __T_OK; return 0;
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