1#!/bin/sh 2# description: event trigger - test inter-event combined histogram trigger 3 4do_reset() { 5 reset_trigger 6 echo > set_event 7 clear_trace 8} 9 10fail() { #msg 11 do_reset 12 echo $1 13 exit_fail 14} 15 16if [ ! -f set_event ]; then 17 echo "event tracing is not supported" 18 exit_unsupported 19fi 20 21if [ ! -f synthetic_events ]; then 22 echo "synthetic event is not supported" 23 exit_unsupported 24fi 25 26reset_tracer 27do_reset 28clear_synthetic_events 29 30echo "Test create synthetic event" 31 32echo 'waking_latency u64 lat pid_t pid' > synthetic_events 33if [ ! -d events/synthetic/waking_latency ]; then 34 fail "Failed to create waking_latency synthetic event" 35fi 36 37echo "Test combined histogram" 38 39echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_waking/trigger 40echo 'hist:keys=pid:waking_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).waking_latency($waking_lat,pid) if comm=="ping"' > events/sched/sched_wakeup/trigger 41echo 'hist:keys=pid,lat:sort=pid,lat' > events/synthetic/waking_latency/trigger 42 43echo 'wakeup_latency u64 lat pid_t pid' >> synthetic_events 44echo 'hist:keys=pid:ts1=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_wakeup/trigger 45echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts1:onmatch(sched.sched_wakeup).wakeup_latency($wakeup_lat,next_pid) if next_comm=="ping"' > events/sched/sched_switch/trigger 46 47echo 'waking+wakeup_latency u64 lat; pid_t pid' >> synthetic_events 48echo 'hist:keys=pid,lat:sort=pid,lat:ww_lat=$waking_lat+$wakeup_lat:onmatch(synthetic.wakeup_latency).waking+wakeup_latency($ww_lat,pid)' >> events/synthetic/wakeup_latency/trigger 49echo 'hist:keys=pid,lat:sort=pid,lat' >> events/synthetic/waking+wakeup_latency/trigger 50 51ping localhost -c 3 52if ! grep -q "pid:" events/synthetic/waking+wakeup_latency/hist; then 53 fail "Failed to create combined histogram" 54fi 55 56do_reset 57 58exit 0 59