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1#!/bin/sh2# SPDX-License-Identifier: GPL-2.03# description: event trigger - test histogram trigger4# requires: set_event events/sched/sched_process_fork/trigger events/sched/sched_process_fork/hist5# flags: instance6 7fail() { #msg8 echo $19 exit_fail10}11 12echo "Test histogram basic trigger"13 14echo 'hist:keys=parent_pid:vals=child_pid' > events/sched/sched_process_fork/trigger15for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done16grep parent_pid events/sched/sched_process_fork/hist > /dev/null || \17 fail "hist trigger on sched_process_fork did not work"18grep child events/sched/sched_process_fork/hist > /dev/null || \19 fail "hist trigger on sched_process_fork did not work"20 21reset_trigger22 23echo "Test histogram with compound keys"24 25echo 'hist:keys=parent_pid,child_pid' > events/sched/sched_process_fork/trigger26for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done27grep '^{ parent_pid:.*, child_pid:.*}' events/sched/sched_process_fork/hist > /dev/null || \28 fail "compound keys on sched_process_fork did not work"29 30reset_trigger31 32echo "Test histogram with string key"33 34echo 'hist:keys=parent_comm' > events/sched/sched_process_fork/trigger35for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done36COMM=`cat /proc/$$/comm`37grep "parent_comm: $COMM" events/sched/sched_process_fork/hist > /dev/null || \38 fail "string key on sched_process_fork did not work"39 40reset_trigger41 42echo "Test histogram with sym modifier"43 44echo 'hist:keys=call_site.sym' > events/kmem/kmalloc/trigger45for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done46grep '{ call_site: \[[0-9a-f][0-9a-f]*\] [_a-zA-Z][_a-zA-Z]* *}' events/kmem/kmalloc/hist > /dev/null || \47 fail "sym modifier on kmalloc call_site did not work"48 49reset_trigger50 51echo "Test histogram with sym-offset modifier"52 53echo 'hist:keys=call_site.sym-offset' > events/kmem/kmalloc/trigger54for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done55grep '{ call_site: \[[0-9a-f][0-9a-f]*\] [_a-zA-Z][_a-zA-Z]*+0x[0-9a-f][0-9a-f]*' events/kmem/kmalloc/hist > /dev/null || \56 fail "sym-offset modifier on kmalloc call_site did not work"57 58reset_trigger59 60echo "Test histogram with sort key"61 62echo 'hist:keys=parent_pid,child_pid:sort=child_pid.ascending' > events/sched/sched_process_fork/trigger63for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done64 65check_inc() {66 while [ $# -gt 1 ]; do67 [ $1 -gt $2 ] && return 168 shift 169 done70 return 071}72check_inc `grep -o "child_pid:[[:space:]]*[[:digit:]]*" \73 events/sched/sched_process_fork/hist | cut -d: -f2 ` ||74 fail "sort param on sched_process_fork did not work"75 76exit 077