@@ -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}
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 Signed-off-by: Namhyung Kim <namhyung@kernel.org> --- tools/perf/tests/shell/lock_contention.sh | 45 +++++++++++++++++++++++ 1 file changed, 45 insertions(+)