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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>
37 lines
1.7 KiB
Bash
37 lines
1.7 KiB
Bash
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# description: event trigger - test inter-event combined histogram trigger
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# requires: set_event synthetic_events events/sched/sched_process_fork/hist ping:program
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fail() { #msg
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echo $1
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exit_fail
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}
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echo "Test create synthetic event"
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echo 'waking_latency u64 lat pid_t pid' > synthetic_events
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if [ ! -d events/synthetic/waking_latency ]; then
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fail "Failed to create waking_latency synthetic event"
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fi
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echo "Test combined histogram"
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echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_waking/trigger
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echo 'hist:keys=pid:waking_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).waking_latency($waking_lat,pid) if comm=="ping"' > events/sched/sched_wakeup/trigger
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echo 'hist:keys=pid,lat:sort=pid,lat' > events/synthetic/waking_latency/trigger
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echo 'wakeup_latency u64 lat pid_t pid' >> synthetic_events
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echo 'hist:keys=pid:ts1=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_wakeup/trigger
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echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts1:onmatch(sched.sched_wakeup).wakeup_latency($wakeup_lat,next_pid) if next_comm=="ping"' > events/sched/sched_switch/trigger
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echo 'waking_plus_wakeup_latency u64 lat; pid_t pid' >> synthetic_events
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echo 'hist:keys=pid,lat:sort=pid,lat:ww_lat=$waking_lat+$wakeup_lat:onmatch(synthetic.wakeup_latency).waking_plus_wakeup_latency($ww_lat,pid)' >> events/synthetic/wakeup_latency/trigger
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echo 'hist:keys=pid,lat:sort=pid,lat' >> events/synthetic/waking_plus_wakeup_latency/trigger
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ping $LOCALHOST -c 3
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if ! grep -q "pid:" events/synthetic/waking_plus_wakeup_latency/hist; then
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fail "Failed to create combined histogram"
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fi
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exit 0
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