#!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: trace_marker trigger - test histogram with synthetic event against kernel event # requires: set_event synthetic_events events/sched/sched_waking events/ftrace/print/trigger events/ftrace/print/hist # flags: fail() { #msg echo $1 exit_fail } echo "Test histogram kernel event to trace_marker latency histogram trigger" echo 'latency u64 lat' > synthetic_events echo 'hist:keys=pid:ts0=common_timestamp.usecs' > events/sched/sched_waking/trigger echo 'hist:keys=common_pid:lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).latency($lat)' > events/ftrace/print/trigger echo 'hist:keys=common_pid,lat:sort=lat' > events/synthetic/latency/trigger sleep 1 echo "hello" > trace_marker grep 'hitcount: *1$' events/ftrace/print/hist > /dev/null || \ fail "hist trigger did not trigger correct times on trace_marker" grep 'hitcount: *1$' events/synthetic/latency/hist > /dev/null || \ fail "hist trigger did not trigger " exit 0