| #!/bin/sh |
| # SPDX-License-Identifier: GPL-2.0 |
| # description: event trigger - test inter-event histogram trigger onmax action |
| # requires: set_event synthetic_events events/sched/sched_process_fork/hist |
| |
| fail() { #msg |
| echo $1 |
| exit_fail |
| } |
| |
| echo "Test create synthetic event" |
| |
| echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events |
| if [ ! -d events/synthetic/wakeup_latency ]; then |
| fail "Failed to create wakeup_latency synthetic event" |
| fi |
| |
| echo "Test onmax action" |
| |
| echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_waking/trigger |
| echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$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 |
| |
| exit 0 |
