1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# description: event trigger - test inter-event combined histogram trigger 4 5fail() { #msg 6 echo $1 7 exit_fail 8} 9 10if [ ! -f set_event ]; then 11 echo "event tracing is not supported" 12 exit_unsupported 13fi 14 15if [ ! -f synthetic_events ]; then 16 echo "synthetic event is not supported" 17 exit_unsupported 18fi 19 20echo "Test create synthetic event" 21 22echo 'waking_latency u64 lat pid_t pid' > synthetic_events 23if [ ! -d events/synthetic/waking_latency ]; then 24 fail "Failed to create waking_latency synthetic event" 25fi 26 27echo "Test combined histogram" 28 29echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_waking/trigger 30echo 'hist:keys=pid:waking_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).waking_latency($waking_lat,pid) if comm=="ping"' > events/sched/sched_wakeup/trigger 31echo 'hist:keys=pid,lat:sort=pid,lat' > events/synthetic/waking_latency/trigger 32 33echo 'wakeup_latency u64 lat pid_t pid' >> synthetic_events 34echo 'hist:keys=pid:ts1=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_wakeup/trigger 35echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts1:onmatch(sched.sched_wakeup).wakeup_latency($wakeup_lat,next_pid) if next_comm=="ping"' > events/sched/sched_switch/trigger 36 37echo 'waking+wakeup_latency u64 lat; pid_t pid' >> synthetic_events 38echo 'hist:keys=pid,lat:sort=pid,lat:ww_lat=$waking_lat+$wakeup_lat:onmatch(synthetic.wakeup_latency).waking+wakeup_latency($ww_lat,pid)' >> events/synthetic/wakeup_latency/trigger 39echo 'hist:keys=pid,lat:sort=pid,lat' >> events/synthetic/waking+wakeup_latency/trigger 40 41ping $LOCALHOST -c 3 42if ! grep -q "pid:" events/synthetic/waking+wakeup_latency/hist; then 43 fail "Failed to create combined histogram" 44fi 45 46exit 0 47