31 lines
1.1 KiB
Plaintext
31 lines
1.1 KiB
Plaintext
|
#!/bin/sh
|
||
|
|
# SPDX-License-Identifier: GPL-2.0
|
||
|
|
# description: event trigger - test inter-event histogram trigger onmatch action
|
||
|
|
# requires: set_event synthetic_events events/sched/sched_process_fork/hist
|
||
|
|
|
||
|
|
fail() { #msg
|
||
|
|
echo $1
|
||
|
|
exit_fail
|
||
|
|
}
|
||
|
|
|
||
|
|
echo "Test create synthetic event"
|
||
|
|
|
||
|
|
echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events
|
||
|
|
if [ ! -d events/synthetic/wakeup_latency ]; then
|
||
|
|
fail "Failed to create wakeup_latency synthetic event"
|
||
|
|
fi
|
||
|
|
|
||
|
|
echo "Test create histogram for synthetic event"
|
||
|
|
echo "Test histogram variables,simple expression support and onmatch action"
|
||
|
|
|
||
|
|
echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_wakeup/trigger
|
||
|
|
echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_wakeup).wakeup_latency($wakeup_lat,next_pid,next_comm) if next_comm=="ping"' > events/sched/sched_switch/trigger
|
||
|
|
echo 'hist:keys=comm,pid,lat:wakeup_lat=lat:sort=lat' > events/synthetic/wakeup_latency/trigger
|
||
|
|
|
||
|
|
ping $LOCALHOST -c 5
|
||
|
|
if ! grep -q "ping" events/synthetic/wakeup_latency/hist; then
|
||
|
|
fail "Failed to create onmatch action inter-event histogram"
|
||
|
|
fi
|
||
|
|
|
||
|
|
exit 0
|