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1#!/bin/sh2# SPDX-License-Identifier: GPL-2.03# description: trace_marker trigger - test histogram with synthetic event4# requires: set_event synthetic_events events/ftrace/print/trigger events/ftrace/print/hist5# flags:6 7fail() { #msg8 echo $19 exit_fail10}11 12echo "Test histogram trace_marker to trace_marker latency histogram trigger"13 14echo 'latency u64 lat' > synthetic_events15echo 'hist:keys=common_pid:ts0=common_timestamp.usecs if buf == "start"' > events/ftrace/print/trigger16echo 'hist:keys=common_pid:lat=common_timestamp.usecs-$ts0:onmatch(ftrace.print).latency($lat) if buf == "end"' >> events/ftrace/print/trigger17echo 'hist:keys=common_pid,lat:sort=lat' > events/synthetic/latency/trigger18echo -n "start" > trace_marker19echo -n "end" > trace_marker20 21cnt=`grep 'hitcount: *1$' events/ftrace/print/hist | wc -l`22 23if [ $cnt -ne 2 ]; then24 fail "hist trace_marker trigger did not trigger correctly"25fi26 27grep 'hitcount: *1$' events/synthetic/latency/hist > /dev/null || \28 fail "hist trigger did not trigger "29 30exit 031