2 # SPDX-License-Identifier: GPL-2.0
3 # description: event trigger - test inter-event histogram trigger onmatch-onmax action
10 if [ ! -f set_event ]; then
11 echo "event tracing is not supported"
15 if [ ! -f synthetic_events ]; then
16 echo "synthetic event is not supported"
20 echo "Test create synthetic event"
22 echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events
23 if [ ! -d events/synthetic/wakeup_latency ]; then
24 fail "Failed to create wakeup_latency synthetic event"
27 echo "Test create histogram for synthetic event"
28 echo "Test histogram variables,simple expression support and onmatch-onmax action"
30 echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_wakeup/trigger
31 echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_wakeup).wakeup_latency($wakeup_lat,next_pid,next_comm):onmax($wakeup_lat).save(next_comm,prev_pid,prev_prio,prev_comm) if next_comm=="ping"' >> events/sched/sched_switch/trigger
32 echo 'hist:keys=comm,pid,lat:wakeup_lat=lat:sort=lat' > events/synthetic/wakeup_latency/trigger
35 if [ ! grep -q "ping" events/synthetic/wakeup_latency/hist -o ! grep -q "max:" events/sched/sched_switch/hist]; then
36 fail "Failed to create onmatch-onmax action inter-event histogram"