tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel / tools / testing / selftests / ftrace / test.d / trigger / trigger-trace-marker-hist.tc
at v6.0-rc6 19 lines 546 B view raw
1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# description: trace_marker trigger - test histogram trigger 4# requires: set_event events/ftrace/print/trigger events/ftrace/print/hist 5# flags: instance 6 7fail() { #msg 8 echo $1 9 exit_fail 10} 11 12echo "Test histogram trace_marker trigger" 13 14echo 'hist:keys=common_pid' > events/ftrace/print/trigger 15for i in `seq 1 10` ; do echo "hello" > trace_marker; done 16grep 'hitcount: *10$' events/ftrace/print/hist > /dev/null || \ 17 fail "hist trigger did not trigger correct times on trace_marker" 18 19exit 0