Add cgroup aggregation and filter tests. $ sudo ./perf test -v contention 84: kernel lock contention analysis test : --- start --- test child forked, pid 222423 Testing perf lock record and perf lock contention Testing perf lock contention --use-bpf Testing perf lock record and perf lock contention at the same time Testing perf lock contention --threads Testing perf lock contention --lock-addr Testing perf lock contention --lock-cgroup Testing perf lock contention --type-filter (w/ spinlock) Testing perf lock contention --lock-filter (w/ tasklist_lock) Testing perf lock contention --callstack-filter (w/ unix_stream) Testing perf lock contention --callstack-filter with task aggregation Testing perf lock contention --cgroup-filter Testing perf lock contention CSV output test child finished with 0 ---- end ---- kernel lock contention analysis test: Ok Reviewed-by: Ian Rogers <irogers@xxxxxxxxxx> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx> --- tools/perf/tests/shell/lock_contention.sh | 45 +++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/tools/perf/tests/shell/lock_contention.sh b/tools/perf/tests/shell/lock_contention.sh index d120e83db7d9..966e67db75f3 100755 --- a/tools/perf/tests/shell/lock_contention.sh +++ b/tools/perf/tests/shell/lock_contention.sh @@ -123,6 +123,24 @@ test_aggr_addr() fi } +test_aggr_cgroup() +{ + echo "Testing perf lock contention --lock-cgroup" + + if ! perf lock con -b true > /dev/null 2>&1 ; then + echo "[Skip] No BPF support" + return + fi + + # the perf lock contention output goes to the stderr + perf lock con -a -b -g -E 1 -q -- perf bench sched messaging > /dev/null 2> ${result} + if [ "$(cat "${result}" | wc -l)" != "1" ]; then + echo "[Fail] BPF result count is not 1:" "$(cat "${result}" | wc -l)" + err=1 + exit + fi +} + test_type_filter() { echo "Testing perf lock contention --type-filter (w/ spinlock)" @@ -232,6 +250,31 @@ test_aggr_task_stack_filter() exit fi } +test_cgroup_filter() +{ + echo "Testing perf lock contention --cgroup-filter" + + if ! perf lock con -b true > /dev/null 2>&1 ; then + echo "[Skip] No BPF support" + return + fi + + perf lock con -a -b -g -E 1 -F wait_total -q -- perf bench sched messaging > /dev/null 2> ${result} + if [ "$(cat "${result}" | wc -l)" != "1" ]; then + echo "[Fail] BPF result should have a cgroup result:" "$(cat "${result}")" + err=1 + exit + fi + + cgroup=$(cat "${result}" | awk '{ print $3 }') + perf lock con -a -b -g -E 1 -G "${cgroup}" -q -- perf bench sched messaging > /dev/null 2> ${result} + if [ "$(cat "${result}" | wc -l)" != "1" ]; then + echo "[Fail] BPF result should have a result with cgroup filter:" "$(cat "${cgroup}")" + err=1 + exit + fi +} + test_csv_output() { @@ -275,10 +318,12 @@ test_bpf test_record_concurrent test_aggr_task test_aggr_addr +test_aggr_cgroup test_type_filter test_lock_filter test_stack_filter test_aggr_task_stack_filter +test_cgroup_filter test_csv_output exit ${err} -- 2.42.0.283.g2d96d420d3-goog