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