1 #! /bin/sh 2 3 ############################################################################### 4 # # 5 # Copyright (c) 2010 FUJITSU LIMITED # 6 # # 7 # This program is free software; you can redistribute it and/or modify it # 8 # under the terms of the GNU General Public License as published by the Free # 9 # Software Foundation; either version 2 of the License, or (at your option) # 10 # any later version. # 11 # # 12 # Author: Li Zefan <lizf (at] cn.fujitsu.com> # 13 # # 14 ############################################################################### 15 16 LOOP=200 17 18 should_skip=0 19 nr_cpus=`tst_ncpus` 20 21 if [ ! -e "$TRACING_PATH"/function_profile_enabled ]; then 22 should_skip=1 23 fi 24 25 # For kernels older than 2.6.36, this testcase can result in 26 # divide-by-zero kernel bug 27 if tst_kvcmp -lt "2.6.36"; then 28 should_skip=1 29 fi 30 31 while true; do 32 if [ $should_skip -eq 1 ]; then 33 sleep 2 34 continue 35 fi 36 cpu=$(tst_random 0 $((nr_cpus - 1))) 37 i=0; 38 while [ $i -lt $LOOP ]; do 39 cat "$TRACING_PATH"/trace_stat/function${cpu} > /dev/null 2>&1 40 i=$((i + 1)) 41 done 42 43 sleep 1 44 done 45
