1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0
3# description: event trigger - test inter-event histogram trigger onmax action
4# requires: set_event synthetic_events events/sched/sched_process_fork/hist ping:program
5
6fail() { #msg
7    echo $1
8    exit_fail
9}
10
11echo "Test create synthetic event"
12
13echo 'wakeup_latency  u64 lat pid_t pid char comm[16]' > synthetic_events
14if [ ! -d events/synthetic/wakeup_latency ]; then
15    fail "Failed to create wakeup_latency synthetic event"
16fi
17
18echo "Test onmax action"
19
20echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_waking/trigger
21echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0:onmax($wakeup_lat).save(next_comm,prev_pid,prev_prio,prev_comm) if next_comm=="ping"' >> events/sched/sched_switch/trigger
22
23ping $LOCALHOST -c 3
24if ! grep -q "max:" events/sched/sched_switch/hist; then
25    fail "Failed to create onmax action inter-event histogram"
26fi
27
28exit 0
29