1*4882a593Smuzhiyun#!/bin/sh 2*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0 3*4882a593Smuzhiyun# description: event trigger - test histogram modifiers 4*4882a593Smuzhiyun# requires: set_event events/sched/sched_process_fork/trigger events/sched/sched_process_fork/hist 5*4882a593Smuzhiyun# flags: instance 6*4882a593Smuzhiyun 7*4882a593Smuzhiyunfail() { #msg 8*4882a593Smuzhiyun echo $1 9*4882a593Smuzhiyun exit_fail 10*4882a593Smuzhiyun} 11*4882a593Smuzhiyun 12*4882a593Smuzhiyunecho "Test histogram with execname modifier" 13*4882a593Smuzhiyun 14*4882a593Smuzhiyunecho 'hist:keys=common_pid.execname' > events/sched/sched_process_fork/trigger 15*4882a593Smuzhiyunfor i in `seq 1 10` ; do ( echo "forked" > /dev/null); done 16*4882a593SmuzhiyunCOMM=`cat /proc/$$/comm` 17*4882a593Smuzhiyungrep "common_pid: $COMM" events/sched/sched_process_fork/hist > /dev/null || \ 18*4882a593Smuzhiyun fail "execname modifier on sched_process_fork did not work" 19*4882a593Smuzhiyun 20*4882a593Smuzhiyunreset_trigger 21*4882a593Smuzhiyun 22*4882a593Smuzhiyunecho "Test histogram with hex modifier" 23*4882a593Smuzhiyun 24*4882a593Smuzhiyunecho 'hist:keys=parent_pid.hex' > events/sched/sched_process_fork/trigger 25*4882a593Smuzhiyunfor i in `seq 1 10` ; do ( echo "forked" > /dev/null); done 26*4882a593Smuzhiyun# Note that $$ is the parent pid. $PID is current PID. 27*4882a593SmuzhiyunHEX=`printf %x $PID` 28*4882a593Smuzhiyungrep "parent_pid: $HEX" events/sched/sched_process_fork/hist > /dev/null || \ 29*4882a593Smuzhiyun fail "hex modifier on sched_process_fork did not work" 30*4882a593Smuzhiyun 31*4882a593Smuzhiyunreset_trigger 32*4882a593Smuzhiyun 33*4882a593Smuzhiyunecho "Test histogram with syscall modifier" 34*4882a593Smuzhiyun 35*4882a593Smuzhiyunecho 'hist:keys=id.syscall' > events/raw_syscalls/sys_exit/trigger 36*4882a593Smuzhiyunfor i in `seq 1 10` ; do ( echo "forked" > /dev/null); done 37*4882a593Smuzhiyungrep "id: \(unknown_\|sys_\)" events/raw_syscalls/sys_exit/hist > /dev/null || \ 38*4882a593Smuzhiyun fail "syscall modifier on raw_syscalls/sys_exit did not work" 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun 41*4882a593Smuzhiyunreset_trigger 42*4882a593Smuzhiyun 43*4882a593Smuzhiyunecho "Test histgram with log2 modifier" 44*4882a593Smuzhiyun 45*4882a593Smuzhiyunecho 'hist:keys=bytes_req.log2' > events/kmem/kmalloc/trigger 46*4882a593Smuzhiyunfor i in `seq 1 10` ; do ( echo "forked" > /dev/null); done 47*4882a593Smuzhiyungrep 'bytes_req: ~ 2^[0-9]*' events/kmem/kmalloc/hist > /dev/null || \ 48*4882a593Smuzhiyun fail "log2 modifier on kmem/kmalloc did not work" 49*4882a593Smuzhiyun 50*4882a593Smuzhiyunexit 0 51