diff options
author | Namhyung Kim <namhyung@kernel.org> | 2022-12-09 11:07:27 -0800 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-12-14 11:24:31 -0300 |
commit | 22ddcb6b4a62eb97f7d988ac59032b74c64afb20 (patch) | |
tree | 8135f795132a5b4afa22248f6a530dab3e6d14dc /tools/perf/tests | |
parent | 688d2e8de231c54e289b640547af246343732348 (diff) | |
download | linux-22ddcb6b4a62eb97f7d988ac59032b74c64afb20.tar.bz2 |
perf test: Update perf lock contention test
Add test cases for the task and addr aggregation modes.
$ sudo ./perf test -v contention
86: kernel lock contention analysis test :
--- start ---
test child forked, pid 680006
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
test child finished with 0
---- end ----
kernel lock contention analysis test: Ok
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Blake Jones <blakejones@google.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <song@kernel.org>
Cc: bpf@vger.kernel.org
Link: https://lore.kernel.org/r/20221209190727.759804-5-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/tests')
-rwxr-xr-x | tools/perf/tests/shell/lock_contention.sh | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/lock_contention.sh b/tools/perf/tests/shell/lock_contention.sh index f7bd0d8eb5c3..cc9ceb9e19ca 100755 --- a/tools/perf/tests/shell/lock_contention.sh +++ b/tools/perf/tests/shell/lock_contention.sh @@ -77,10 +77,58 @@ test_record_concurrent() fi } +test_aggr_task() +{ + echo "Testing perf lock contention --threads" + perf lock contention -i ${perfdata} -t -E 1 -q 2> ${result} + if [ $(cat "${result}" | wc -l) != "1" ]; then + echo "[Fail] Recorded result count is not 1:" $(cat "${result}" | wc -l) + err=1 + exit + fi + + if ! perf lock con -b true > /dev/null 2>&1 ; then + return + fi + + # the perf lock contention output goes to the stderr + perf lock con -a -b -t -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_aggr_addr() +{ + echo "Testing perf lock contention --lock-addr" + perf lock contention -i ${perfdata} -l -E 1 -q 2> ${result} + if [ $(cat "${result}" | wc -l) != "1" ]; then + echo "[Fail] Recorded result count is not 1:" $(cat "${result}" | wc -l) + err=1 + exit + fi + + if ! perf lock con -b true > /dev/null 2>&1 ; then + return + fi + + # the perf lock contention output goes to the stderr + perf lock con -a -b -t -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 +} + check test_record test_bpf test_record_concurrent +test_aggr_task +test_aggr_addr exit ${err} |