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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>
30 lines
1.3 KiB
Bash
30 lines
1.3 KiB
Bash
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# description: event trigger - test inter-event histogram trigger onmatch-onmax action
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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 $1
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exit_fail
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}
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echo "Test create synthetic event"
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echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events
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if [ ! -d events/synthetic/wakeup_latency ]; then
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fail "Failed to create wakeup_latency synthetic event"
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fi
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echo "Test create histogram for synthetic event"
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echo "Test histogram variables,simple expression support and onmatch-onmax action"
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echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_wakeup/trigger
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echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_wakeup).wakeup_latency($wakeup_lat,next_pid,next_comm):onmax($wakeup_lat).save(next_comm,prev_pid,prev_prio,prev_comm) if next_comm=="ping"' >> events/sched/sched_switch/trigger
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echo 'hist:keys=comm,pid,lat:wakeup_lat=lat:sort=lat' > events/synthetic/wakeup_latency/trigger
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ping $LOCALHOST -c 5
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if [ ! grep -q "ping" events/synthetic/wakeup_latency/hist -o ! grep -q "max:" events/sched/sched_switch/hist]; then
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fail "Failed to create onmatch-onmax action inter-event histogram"
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fi
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exit 0
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