#!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: trace_marker trigger - test histogram trigger # requires: set_event events/ftrace/print/trigger events/ftrace/print/hist # flags: instance fail() { #msg echo $1 exit_fail } echo "Test histogram trace_marker trigger" echo 'hist:keys=common_pid' > events/ftrace/print/trigger for i in `seq 1 10` ; do echo "hello" > trace_marker; done grep 'hitcount: *10$' events/ftrace/print/hist > /dev/null || \ fail "hist trigger did not trigger correct times on trace_marker" exit 0