| #!/bin/sh |
| # SPDX-License-Identifier: GPL-2.0 |
| # description: event trigger - test inter-event histogram trigger snapshot action |
| # requires: set_event snapshot events/sched/sched_process_fork/hist "onchange(var)":README "snapshot()":README |
| |
| fail() { #msg |
| echo $1 |
| exit_fail |
| } |
| |
| echo "Test snapshot action" |
| |
| echo 1 > events/sched/enable |
| |
| echo 'hist:keys=comm:newprio=prio:onchange($newprio).save(comm,prio):onchange($newprio).snapshot() if comm=="ping"' >> events/sched/sched_waking/trigger |
| |
| ping $LOCALHOST -c 3 |
| nice -n 1 ping $LOCALHOST -c 3 |
| |
| echo 0 > tracing_on |
| |
| if ! grep -q "changed:" events/sched/sched_waking/hist; then |
| fail "Failed to create onchange action inter-event histogram" |
| fi |
| |
| if ! grep -q "comm=ping" snapshot; then |
| fail "Failed to create snapshot action inter-event histogram" |
| fi |
| |
| exit 0 |
