1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# description: event trigger - test inter-event combined histogram trigger 4# requires: set_event synthetic_events events/sched/sched_process_fork/hist 5 6fail() { #msg 7 echo $1 8 exit_fail 9} 10 11echo "Test create synthetic event" 12 13echo 'waking_latency u64 lat pid_t pid' > synthetic_events 14if [ ! -d events/synthetic/waking_latency ]; then 15 fail "Failed to create waking_latency synthetic event" 16fi 17 18echo "Test combined histogram" 19 20echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_waking/trigger 21echo 'hist:keys=pid:waking_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).waking_latency($waking_lat,pid) if comm=="ping"' > events/sched/sched_wakeup/trigger 22echo 'hist:keys=pid,lat:sort=pid,lat' > events/synthetic/waking_latency/trigger 23 24echo 'wakeup_latency u64 lat pid_t pid' >> synthetic_events 25echo 'hist:keys=pid:ts1=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_wakeup/trigger 26echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts1:onmatch(sched.sched_wakeup).wakeup_latency($wakeup_lat,next_pid) if next_comm=="ping"' > events/sched/sched_switch/trigger 27 28echo 'waking_plus_wakeup_latency u64 lat; pid_t pid' >> synthetic_events 29echo 'hist:keys=pid,lat:sort=pid,lat:ww_lat=$waking_lat+$wakeup_lat:onmatch(synthetic.wakeup_latency).waking_plus_wakeup_latency($ww_lat,pid)' >> events/synthetic/wakeup_latency/trigger 30echo 'hist:keys=pid,lat:sort=pid,lat' >> events/synthetic/waking_plus_wakeup_latency/trigger 31 32ping $LOCALHOST -c 3 33if ! grep -q "pid:" events/synthetic/waking_plus_wakeup_latency/hist; then 34 fail "Failed to create combined histogram" 35fi 36 37exit 0 38