#!/bin/sh
|
# SPDX-License-Identifier: GPL-2.0
|
# description: trace_marker trigger - test histogram with synthetic event
|
# requires: set_event synthetic_events events/ftrace/print/trigger events/ftrace/print/hist
|
# flags:
|
|
fail() { #msg
|
echo $1
|
exit_fail
|
}
|
|
echo "Test histogram trace_marker to trace_marker latency histogram trigger"
|
|
echo 'latency u64 lat' > synthetic_events
|
echo 'hist:keys=common_pid:ts0=common_timestamp.usecs if buf == "start"' > events/ftrace/print/trigger
|
echo 'hist:keys=common_pid:lat=common_timestamp.usecs-$ts0:onmatch(ftrace.print).latency($lat) if buf == "end"' >> events/ftrace/print/trigger
|
echo 'hist:keys=common_pid,lat:sort=lat' > events/synthetic/latency/trigger
|
echo -n "start" > trace_marker
|
echo -n "end" > trace_marker
|
|
cnt=`grep 'hitcount: *1$' events/ftrace/print/hist | wc -l`
|
|
if [ $cnt -ne 2 ]; then
|
fail "hist trace_marker trigger did not trigger correctly"
|
fi
|
|
grep 'hitcount: *1$' events/synthetic/latency/hist > /dev/null || \
|
fail "hist trigger did not trigger "
|
|
exit 0
|
