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