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33 lines
1.4 KiB
33 lines
1.4 KiB
#!/bin/sh |
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# SPDX-License-Identifier: GPL-2.0 |
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# description: event trigger - test field variable support |
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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 $1 |
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exit_fail |
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} |
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echo "Test field variable support" |
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echo 'wakeup_latency u64 lat; pid_t pid; int prio; char comm[16]' > synthetic_events |
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echo 'hist:keys=comm:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_waking/trigger |
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echo 'hist:keys=next_comm:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).wakeup_latency($wakeup_lat,next_pid,sched.sched_waking.prio,next_comm) if next_comm=="ping"' > events/sched/sched_switch/trigger |
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echo 'hist:keys=pid,prio,comm:vals=lat:sort=pid,prio' > events/synthetic/wakeup_latency/trigger |
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ping $LOCALHOST -c 3 |
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if ! grep -q "ping" events/synthetic/wakeup_latency/hist; then |
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fail "Failed to create inter-event histogram" |
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fi |
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if ! grep -q "synthetic_prio=prio" events/sched/sched_waking/hist; then |
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fail "Failed to create histogram with field variable" |
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fi |
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echo '!hist:keys=next_comm:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).wakeup_latency($wakeup_lat,next_pid,sched.sched_waking.prio,next_comm) if next_comm=="ping"' >> events/sched/sched_switch/trigger |
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if grep -q "synthetic_prio=prio" events/sched/sched_waking/hist; then |
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fail "Failed to remove histogram with field variable" |
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fi |
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exit 0
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