diff mbox series

[6/6] perf test: Update perf lock contention test

Message ID 20221219201732.460111-7-namhyung@kernel.org
State New
Headers
Series perf lock contention: Add more filter options (v1) |

Commit Message

Namhyung Kim Dec. 19, 2022, 8:17 p.m. UTC 
  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>
---
 tools/perf/tests/shell/lock_contention.sh | 58 ++++++++++++++++++++++-
 1 file changed, 57 insertions(+), 1 deletion(-)
diff mbox series

Patch

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}