mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-08-05 16:54:27 +00:00
4aa4d4def2
All these tests depend on the ping command and will fail if it is not found. Allow tests to specify dependencies on programs through the 'requires' field. Add dependency on 'ping' for some of the trigger tests. Link: https://lore.kernel.org/all/20221017104312.16af5467@gandalf.local.home/ Reported-by: Akanksha J N <akanksha@linux.vnet.ibm.com> Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Suggested-by: Steven Rostedt (Google) <rostedt@goodmis.org> Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org> Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
31 lines
1.2 KiB
Bash
31 lines
1.2 KiB
Bash
#!/bin/sh
|
|
# SPDX-License-Identifier: GPL-2.0
|
|
# description: event trigger - test inter-event histogram trigger trace action
|
|
# requires: set_event synthetic_events events/sched/sched_process_fork/hist "trace(<synthetic_event>":README ping:program
|
|
|
|
fail() { #msg
|
|
echo $1
|
|
exit_fail
|
|
}
|
|
|
|
echo "Test create synthetic event"
|
|
|
|
echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events
|
|
if [ ! -d events/synthetic/wakeup_latency ]; then
|
|
fail "Failed to create wakeup_latency synthetic event"
|
|
fi
|
|
|
|
echo "Test create histogram for synthetic event using trace action"
|
|
echo "Test histogram variables,simple expression support and trace action"
|
|
|
|
echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_wakeup/trigger
|
|
echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_wakeup).trace(wakeup_latency,$wakeup_lat,next_pid,next_comm) if next_comm=="ping"' > events/sched/sched_switch/trigger
|
|
echo 'hist:keys=comm,pid,lat:wakeup_lat=lat:sort=lat' > events/synthetic/wakeup_latency/trigger
|
|
|
|
ping $LOCALHOST -c 5
|
|
|
|
if ! grep -q "ping" events/synthetic/wakeup_latency/hist; then
|
|
fail "Failed to create trace action inter-event histogram"
|
|
fi
|
|
|
|
exit 0
|