diff mbox series

[4/4] perf test: Update perf lock contention test

Message ID 20221209190727.759804-5-namhyung@kernel.org (mailing list archive)
State Not Applicable
Delegated to: BPF
Headers show
Series perf lock contention: Support task/addr aggregation mode (v1) | expand

Checks

Context Check Description
netdev/tree_selection success Not a local patch
bpf/vmtest-bpf-PR success PR summary
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Commit Message

Namhyung Kim Dec. 9, 2022, 7:07 p.m. UTC 
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>
---
 tools/perf/tests/shell/lock_contention.sh | 48 +++++++++++++++++++++++
 1 file changed, 48 insertions(+)
diff mbox series

Patch

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}