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