2 # SPDX-License-Identifier: GPL-2.0
3 # description: event trigger - test inter-event histogram trigger trace action
4 # requires: set_event synthetic_events events/sched/sched_process_fork/hist
11 grep -q "trace(<synthetic_event>" README || exit_unsupported # version issue
13 echo "Test create synthetic event"
15 echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events
16 if [ ! -d events/synthetic/wakeup_latency ]; then
17 fail "Failed to create wakeup_latency synthetic event"
20 echo "Test create histogram for synthetic event using trace action"
21 echo "Test histogram variables,simple expression support and trace action"
23 echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_wakeup/trigger
24 echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_wakeup).trace(wakeup_latency,$wakeup_lat,next_pid,next_comm) if next_comm=="ping"' > events/sched/sched_switch/trigger
25 echo 'hist:keys=comm,pid,lat:wakeup_lat=lat:sort=lat' > events/synthetic/wakeup_latency/trigger
29 if ! grep -q "ping" events/synthetic/wakeup_latency/hist; then
30 fail "Failed to create trace action inter-event histogram"