1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# description: trace_marker trigger - test histogram with synthetic event 4# flags: 5 6do_reset() { 7 reset_trigger 8 echo > set_event 9 echo > synthetic_events 10 clear_trace 11} 12 13fail() { #msg 14 do_reset 15 echo $1 16 exit_fail 17} 18 19if [ ! -f set_event ]; then 20 echo "event tracing is not supported" 21 exit_unsupported 22fi 23 24if [ ! -f synthetic_events ]; then 25 echo "synthetic events not supported" 26 exit_unsupported 27fi 28 29if [ ! -d events/ftrace/print ]; then 30 echo "event trace_marker is not supported" 31 exit_unsupported 32fi 33 34if [ ! -f events/ftrace/print/trigger ]; then 35 echo "event trigger is not supported" 36 exit_unsupported 37fi 38 39if [ ! -f events/ftrace/print/hist ]; then 40 echo "hist trigger is not supported" 41 exit_unsupported 42fi 43 44do_reset 45 46echo "Test histogram trace_marker to trace_marker latency histogram trigger" 47 48echo 'latency u64 lat' > synthetic_events 49echo 'hist:keys=common_pid:ts0=common_timestamp.usecs if buf == "start"' > events/ftrace/print/trigger 50echo 'hist:keys=common_pid:lat=common_timestamp.usecs-$ts0:onmatch(ftrace.print).latency($lat) if buf == "end"' >> events/ftrace/print/trigger 51echo 'hist:keys=common_pid,lat:sort=lat' > events/synthetic/latency/trigger 52echo -n "start" > trace_marker 53echo -n "end" > trace_marker 54 55cnt=`grep 'hitcount: *1$' events/ftrace/print/hist | wc -l` 56 57if [ $cnt -ne 2 ]; then 58 fail "hist trace_marker trigger did not trigger correctly" 59fi 60 61grep 'hitcount: *1$' events/synthetic/latency/hist > /dev/null || \ 62 fail "hist trigger did not trigger " 63 64do_reset 65 66exit 0 67