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30 lines
1.3 KiB
30 lines
1.3 KiB
#!/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 |
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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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