cec3adf5f5
Use raw loopback address instead of localhost, because "localhost" can depend on nsswitch and in some case we can not resolve the localhost. Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
42 lines
1.5 KiB
Bash
42 lines
1.5 KiB
Bash
#!/bin/sh
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# description: event trigger - test field variable support
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fail() { #msg
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echo $1
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exit_fail
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}
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if [ ! -f set_event ]; then
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echo "event tracing is not supported"
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exit_unsupported
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fi
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if [ ! -f synthetic_events ]; then
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echo "synthetic event is not supported"
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exit_unsupported
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fi
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echo "Test field variable support"
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echo 'wakeup_latency u64 lat; pid_t pid; int prio; char comm[16]' > synthetic_events
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echo 'hist:keys=comm:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_waking/trigger
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echo 'hist:keys=next_comm:wakeup_lat=common_timestamp.usecs-$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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