diff options
author | Namhyung Kim <namhyung@kernel.org> | 2022-12-19 12:17:32 -0800 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-12-21 14:52:39 -0300 |
commit | cb459c89b734f9fcfd201a6ef993c063a703ec73 (patch) | |
tree | 944bf3c772a88e91f37805c730f80b0831b48d37 /tools/perf/tests | |
parent | 5e3febe7b7b99f942311ddfa05bb06910d06b14d (diff) | |
download | linux-cb459c89b734f9fcfd201a6ef993c063a703ec73.tar.bz2 |
perf test: Update 'perf lock contention' test
Add more tests for the new filters.
$ sudo perf test contention -v
87: kernel lock contention analysis test :
--- start ---
test child forked, pid 412379
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 --type-filter
Testing perf lock contention --lock-filter
test child finished with 0
---- end ----
kernel lock contention analysis test: Ok
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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/20221219201732.460111-7-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 | 58 |
1 files changed, 57 insertions, 1 deletions
diff --git a/tools/perf/tests/shell/lock_contention.sh b/tools/perf/tests/shell/lock_contention.sh index cc9ceb9e19ca..b05f1b1ca6c8 100755 --- a/tools/perf/tests/shell/lock_contention.sh +++ b/tools/perf/tests/shell/lock_contention.sh @@ -115,7 +115,7 @@ test_aggr_addr() 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} + perf lock con -a -b -l -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 @@ -123,6 +123,60 @@ test_aggr_addr() fi } +test_type_filter() +{ + echo "Testing perf lock contention --type-filter (w/ spinlock)" + perf lock contention -i ${perfdata} -Y spinlock -q 2> ${result} + if [ $(grep -c -v spinlock "${result}") != "0" ]; then + echo "[Fail] Recorded should not have non-spinlocks:" $(cat "${result}") + err=1 + exit + fi + + if ! perf lock con -b true > /dev/null 2>&1 ; then + return + fi + + perf lock con -a -b -Y spinlock -q -- perf bench sched messaging > /dev/null 2> ${result} + if [ $(grep -c -v spinlock "${result}") != "0" ]; then + echo "[Fail] Recorded should not have non-spinlocks:" $(cat "${result}") + err=1 + exit + fi +} + +test_lock_filter() +{ + echo "Testing perf lock contention --lock-filter (w/ tasklist_lock)" + perf lock contention -i ${perfdata} -l -q 2> ${result} + if [ $(grep -c tasklist_lock "${result}") != "1" ]; then + echo "[Skip] Could not find 'tasklist_lock'" + return + fi + + perf lock contention -i ${perfdata} -L tasklist_lock -q 2> ${result} + + # find out the type of tasklist_lock + local type=$(head -1 "${result}" | awk '{ print $8 }' | sed -e 's/:.*//') + + if [ $(grep -c -v "${type}" "${result}") != "0" ]; then + echo "[Fail] Recorded should not have non-${type} locks:" $(cat "${result}") + err=1 + exit + fi + + if ! perf lock con -b true > /dev/null 2>&1 ; then + return + fi + + perf lock con -a -b -L tasklist_lock -q -- perf bench sched messaging > /dev/null 2> ${result} + if [ $(grep -c -v "${type}" "${result}") != "0" ]; then + echo "[Fail] Recorded should not have non-${type} locks:" $(cat "${result}") + err=1 + exit + fi +} + check test_record @@ -130,5 +184,7 @@ test_bpf test_record_concurrent test_aggr_task test_aggr_addr +test_type_filter +test_lock_filter exit ${err} |