Re: [PATCH v3 4/4] perf test: Leader sampling shouldn't clear sample period
From: Arnaldo Carvalho de Melo <acme@kernel.org>
Date: 2020-09-14 22:36:12
Also in:
bpf, lkml
Em Fri, Sep 11, 2020 at 07:56:55PM -0700, Ian Rogers escreveu:
Add test that a sibling with leader sampling doesn't have its period cleared.
Thanks, applied and collected Jiri's Acks for [34]/4 and Adrian's for 3/4. - Arnaldo
quoted hunk ↗ jump to hunk
Signed-off-by: Ian Rogers <irogers@google.com> --- tools/perf/tests/attr/README | 1 + tools/perf/tests/attr/test-record-group2 | 29 ++++++++++++++++++++++++ 2 files changed, 30 insertions(+) create mode 100644 tools/perf/tests/attr/test-record-group2diff --git a/tools/perf/tests/attr/README b/tools/perf/tests/attr/README index 6cd408108595..a36f49fb4dbe 100644 --- a/tools/perf/tests/attr/README +++ b/tools/perf/tests/attr/README@@ -49,6 +49,7 @@ Following tests are defined (with perf commands): perf record --call-graph fp kill (test-record-graph-fp) perf record --group -e cycles,instructions kill (test-record-group) perf record -e '{cycles,instructions}' kill (test-record-group1) + perf record -e '{cycles/period=1/,instructions/period=2/}:S' kill (test-record-group2) perf record -D kill (test-record-no-delay) perf record -i kill (test-record-no-inherit) perf record -n kill (test-record-no-samples)diff --git a/tools/perf/tests/attr/test-record-group2 b/tools/perf/tests/attr/test-record-group2 new file mode 100644 index 000000000000..6b9f8d182ce1 --- /dev/null +++ b/tools/perf/tests/attr/test-record-group2@@ -0,0 +1,29 @@ +[config] +command = record +args = --no-bpf-event -e '{cycles/period=1234000/,instructions/period=6789000/}:S' kill >/dev/null 2>&1 +ret = 1 + +[event-1:base-record] +fd=1 +group_fd=-1 +config=0|1 +sample_period=1234000 +sample_type=87 +read_format=12 +inherit=0 +freq=0 + +[event-2:base-record] +fd=2 +group_fd=1 +config=0|1 +sample_period=6789000 +sample_type=87 +read_format=12 +disabled=0 +inherit=0 +mmap=0 +comm=0 +freq=0 +enable_on_exec=0 +task=0-- 2.28.0.618.gf4bc123cb7-goog
-- - Arnaldo