trigger-multihist.tc (1776B)
1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# description: event trigger - test multiple histogram triggers 4# requires: set_event events/sched/sched_process_fork/trigger events/sched/sched_process_fork/hist 5# flags: instance 6 7fail() { #msg 8 echo $1 9 exit_fail 10} 11 12echo "Test histogram multiple triggers" 13 14echo 'hist:keys=parent_pid:vals=child_pid' > events/sched/sched_process_fork/trigger 15echo 'hist:keys=parent_comm:vals=child_pid' >> events/sched/sched_process_fork/trigger 16for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done 17grep parent_pid events/sched/sched_process_fork/hist > /dev/null || \ 18 fail "hist trigger on sched_process_fork did not work" 19grep child events/sched/sched_process_fork/hist > /dev/null || \ 20 fail "hist trigger on sched_process_fork did not work" 21COMM=`cat /proc/$$/comm` 22grep "parent_comm: $COMM" events/sched/sched_process_fork/hist > /dev/null || \ 23 fail "string key on sched_process_fork did not work" 24 25reset_trigger 26 27echo "Test histogram with its name" 28 29echo 'hist:name=test_hist:keys=common_pid' > events/sched/sched_process_fork/trigger 30for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done 31grep test_hist events/sched/sched_process_fork/hist > /dev/null || \ 32 fail "named event on sched_process_fork did not work" 33 34echo "Test same named histogram on different events" 35 36echo 'hist:name=test_hist:keys=common_pid' > events/sched/sched_process_exit/trigger 37for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done 38grep test_hist events/sched/sched_process_exit/hist > /dev/null || \ 39 fail "named event on sched_process_fork did not work" 40 41diffs=`diff events/sched/sched_process_exit/hist events/sched/sched_process_fork/hist | wc -l` 42test $diffs -eq 0 || fail "Same name histograms are not same" 43 44exit 0