#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# description: event trigger - test inter-event histogram trigger 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 $1
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exit_fail
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}
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echo "Test create synthetic event"
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echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events
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if [ ! -d events/synthetic/wakeup_latency ]; then
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fail "Failed to create wakeup_latency synthetic event"
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fi
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echo "Test onmax action"
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echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_waking/trigger
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echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0: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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ping $LOCALHOST -c 3
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if ! grep -q "max:" events/sched/sched_switch/hist; then
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fail "Failed to create onmax action inter-event histogram"
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fi
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exit 0
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