diff options
| author | Ian Rogers <irogers@google.com> | 2020-07-28 11:57:32 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-07-30 13:01:49 +0300 |
| commit | 1b98c6e3ba8be09a2f988dc4b80de9b4b029b93f (patch) | |
| tree | a91ee7c5d9902021cd5c05c016ff574b3979b32b /tools/perf/tests | |
| parent | 4929e95a1400e45b4b5a87fd3ce10273444187d4 (diff) | |
| download | linux-1b98c6e3ba8be09a2f988dc4b80de9b4b029b93f.tar.xz | |
perf test: Ensure sample_period is set libpfm4 events
Test that a command line option doesn't override the period set on a
libpfm4 event.
Without libpfm4 test passes as unsupported.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andrii Nakryiko <andriin@fb.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: KP Singh <kpsingh@chromium.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Yonghong Song <yhs@fb.com>
Cc: bpf@vger.kernel.org
Cc: netdev@vger.kernel.org
Link: http://lore.kernel.org/lkml/20200728085734.609930-4-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/tests')
| -rw-r--r-- | tools/perf/tests/attr/README | 1 | ||||
| -rw-r--r-- | tools/perf/tests/attr/test-record-pfm-period | 9 |
2 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/tests/attr/README b/tools/perf/tests/attr/README index 430024f618f1..6cd408108595 100644 --- a/tools/perf/tests/attr/README +++ b/tools/perf/tests/attr/README @@ -53,6 +53,7 @@ Following tests are defined (with perf commands): perf record -i kill (test-record-no-inherit) perf record -n kill (test-record-no-samples) perf record -c 100 -P kill (test-record-period) + perf record -c 1 --pfm-events=cycles:period=2 (test-record-pfm-period) perf record -R kill (test-record-raw) perf stat -e cycles kill (test-stat-basic) perf stat kill (test-stat-default) diff --git a/tools/perf/tests/attr/test-record-pfm-period b/tools/perf/tests/attr/test-record-pfm-period new file mode 100644 index 000000000000..368f5b814094 --- /dev/null +++ b/tools/perf/tests/attr/test-record-pfm-period @@ -0,0 +1,9 @@ +[config] +command = record +args = --no-bpf-event -c 10000 --pfm-events=cycles:period=77777 kill >/dev/null 2>&1 +ret = 1 + +[event:base-record] +sample_period=77777 +sample_type=7 +freq=0 |