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 $1
7    exit_fail
8}
9
10if [ ! -f set_event ]; then
11    echo "event tracing is not supported"
12    exit_unsupported
13fi
14
15if [ ! -f synthetic_events ]; then
16    echo "synthetic event is not supported"
17    exit_unsupported
18fi
19
20if [ ! -f events/sched/sched_process_fork/hist ]; then
21    echo "hist trigger is not supported"
22    exit_unsupported
23fi
24
25echo "Test create synthetic event"
26
27echo 'waking_latency  u64 lat pid_t pid' > synthetic_events
28if [ ! -d events/synthetic/waking_latency ]; then
29    fail "Failed to create waking_latency synthetic event"
30fi
31
32echo "Test combined histogram"
33
34echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_waking/trigger
35echo 'hist:keys=pid:waking_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).waking_latency($waking_lat,pid) if comm=="ping"' > events/sched/sched_wakeup/trigger
36echo 'hist:keys=pid,lat:sort=pid,lat' > events/synthetic/waking_latency/trigger
37
38echo 'wakeup_latency u64 lat pid_t pid' >> synthetic_events
39echo 'hist:keys=pid:ts1=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_wakeup/trigger
40echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts1:onmatch(sched.sched_wakeup).wakeup_latency($wakeup_lat,next_pid) if next_comm=="ping"' > events/sched/sched_switch/trigger
41
42echo 'waking+wakeup_latency u64 lat; pid_t pid' >> synthetic_events
43echo 'hist:keys=pid,lat:sort=pid,lat:ww_lat=$waking_lat+$wakeup_lat:onmatch(synthetic.wakeup_latency).waking+wakeup_latency($ww_lat,pid)' >> events/synthetic/wakeup_latency/trigger
44echo 'hist:keys=pid,lat:sort=pid,lat' >> events/synthetic/waking+wakeup_latency/trigger
45
46ping $LOCALHOST -c 3
47if ! grep -q "pid:" events/synthetic/waking+wakeup_latency/hist; then
48    fail "Failed to create combined histogram"
49fi
50
51exit 0
52