1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# description: trace_marker trigger - test histogram with synthetic event 4# flags: 5 6fail() { #msg 7 echo $1 8 exit_fail 9} 10 11if [ ! -f set_event ]; then 12 echo "event tracing is not supported" 13 exit_unsupported 14fi 15 16if [ ! -f synthetic_events ]; then 17 echo "synthetic events not supported" 18 exit_unsupported 19fi 20 21if [ ! -d events/ftrace/print ]; then 22 echo "event trace_marker is not supported" 23 exit_unsupported 24fi 25 26if [ ! -f events/ftrace/print/trigger ]; then 27 echo "event trigger is not supported" 28 exit_unsupported 29fi 30 31if [ ! -f events/ftrace/print/hist ]; then 32 echo "hist trigger is not supported" 33 exit_unsupported 34fi 35 36echo "Test histogram trace_marker to trace_marker latency histogram trigger" 37 38echo 'latency u64 lat' > synthetic_events 39echo 'hist:keys=common_pid:ts0=common_timestamp.usecs if buf == "start"' > events/ftrace/print/trigger 40echo 'hist:keys=common_pid:lat=common_timestamp.usecs-$ts0:onmatch(ftrace.print).latency($lat) if buf == "end"' >> events/ftrace/print/trigger 41echo 'hist:keys=common_pid,lat:sort=lat' > events/synthetic/latency/trigger 42echo -n "start" > trace_marker 43echo -n "end" > trace_marker 44 45cnt=`grep 'hitcount: *1$' events/ftrace/print/hist | wc -l` 46 47if [ $cnt -ne 2 ]; then 48 fail "hist trace_marker trigger did not trigger correctly" 49fi 50 51grep 'hitcount: *1$' events/synthetic/latency/hist > /dev/null || \ 52 fail "hist trigger did not trigger " 53 54exit 0 55