summaryrefslogtreecommitdiffstats
path: root/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmax-action-hist.tc
blob: 38b7ed6242b204ab4e07f4f8ae36a1d3fe3cc0d6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
#!/bin/sh
# description: event trigger - test inter-event histogram trigger onmax action

do_reset() {
    reset_trigger
    echo > set_event
    clear_trace
}

fail() { #msg
    do_reset
    echo $1
    exit_fail
}

if [ ! -f set_event ]; then
    echo "event tracing is not supported"
    exit_unsupported
fi

if [ ! -f synthetic_events ]; then
    echo "synthetic event is not supported"
    exit_unsupported
fi

clear_synthetic_events
reset_tracer
do_reset

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 onmax action"

echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_waking/trigger
echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0:onmax($wakeup_lat).save(next_comm,prev_pid,prev_prio,prev_comm) if next_comm=="ping"' >> events/sched/sched_switch/trigger
ping localhost -c 3
if ! grep -q "max:" events/sched/sched_switch/hist; then
    fail "Failed to create onmax action inter-event histogram"
fi

do_reset

exit 0