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- #!/bin/bash
- # usage ./runcpuctl_stress_test.sh test_num
- #################################################################################
- # Copyright (c) International Business Machines Corp., 2007 #
- # #
- # This program is free software; you can redistribute it and/or modify #
- # it under the terms of the GNU General Public License as published by #
- # the Free Software Foundation; either version 2 of the License, or #
- # (at your option) any later version. #
- # #
- # This program is distributed in the hope that it will be useful, #
- # but WITHOUT ANY WARRANTY; without even the implied warranty of #
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See #
- # the GNU General Public License for more details. #
- # #
- # You should have received a copy of the GNU General Public License #
- # along with this program; if not, write to the Free Software #
- # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA #
- # #
- #################################################################################
- # Name Of File: run_cpuctl_stress_test.sh #
- # #
- # Description: This file runs the setup for testing cpucontroller. #
- # After setup it runs some of the tasks in different groups. #
- # setup includes creating controller device, mounting it with #
- # cgroup filesystem with option cpu and creating groups in it. #
- # This same script can run 4 testcases depending on test number #
- # depending on the test number passed by the calling script. #
- # #
- # Test 06: N X M (N groups with M tasks each) #
- # Test 07: N*M X 1 (N*M groups with 1 task each) #
- # Test 08: 1 X N*M (1 group with N*M tasks) #
- # Test 09: Heavy stress test with nice value change #
- # Test 10: Heavy stress test (effect of heavy group on light group) #
- # #
- # Precaution: Avoid system use by other applications/users to get fair and #
- # appropriate results #
- # #
- # Author: Sudhir Kumar <skumar@linux.vnet.ibm.com> #
- # #
- # History: #
- # #
- # DATE NAME EMAIL DESC #
- # #
- # 20/12/07 Sudhir Kumar <skumar@linux.vnet.ibm.com> Created this test #
- # #
- #################################################################################
- export TCID="cpuctl_test06";
- export TST_TOTAL=4;
- export TST_COUNT=1; # how to tell here ??
- RC=0; # return code from functions
- NUM_CPUS=1; # at least 1 cpu is there
- NUM_GROUPS=2; # min number of groups
- TEST_NUM=$1; # To run the desired test (1 or 2)
- TASK_NUM=0; # The serial number of a task
- TOTAL_TASKS=0; # Total num of tasks in any test
- TASKS_IN_GROUP=0; # Total num of tasks in a group
- NICEVALUE=0;
- SCRIPT_PID=$$;
- FILE="stress-678"; # suffix for results file
- TEST_NAME="CPUCTL NUM_GROUPS vs NUM_TASKS TEST:";
- NUM_CPUS=`tst_ncpus`
- N=$NUM_CPUS; # Default total num of groups (classes)
- M=10; # Default total num of tasks in a group
- PWD=`pwd`
- cd $LTPROOT/testcases/bin/
- . parameters.sh
- usage ()
- {
- echo "Could not start cpu controller stress test";
- echo "Check entry in file $LTPROOT/testcases/kernel/controllers/test_controllers.sh";
- echo "usage: run_cpuctl_stress_test.sh test_num";
- echo "Skipping the test...";
- exit -1;
- }
- ########################## main #######################
- # For testcase 1, 2 & 3 N--> $NUM_CPUS
- # 1,2 & 3 are not heavy stress test
- case ${TEST_NUM} in
- "6" ) # N X M (N groups with M tasks each)
- if [ $N -eq 1 ]
- then
- N=2; # Min 2 groups for group scheduling
- fi;
- NUM_GROUPS=$N;
- TASKS_IN_GROUP=$M;
- echo `date` >> $LTPROOT/output/cpuctl_results_$FILE.txt;
- ;;
- "7" ) # N*M X 1 (N*M groups with 1 task each)
- if [ $N -eq 1 ]
- then
- N=2; # To keep total tasks same as in case 1
- fi;
- NUM_GROUPS=`expr $N \* $M`;
- TASKS_IN_GROUP=1;
- ;;
- "8" ) # 1 X N*M (1 group with N*M tasks)
- if [ $N -eq 1 ]
- then
- N=2; # To keep total tasks same as in case 1
- fi;
- NUM_GROUPS=1;
- TASKS_IN_GROUP=`expr $N \* $M`;
- ;;
- "9" ) # Heavy stress test
- NUM_GROUPS=`expr $N \* $M`;
- TASKS_IN_GROUP=`expr 1 \* $M`;
- FILE="stress-9";
- TEST_NAME="HEAVY STRESS TEST(RENICED):";
- echo `date` >> $LTPROOT/output/cpuctl_results_$FILE.txt;
- ;;
- "10" ) # Heavy stress test
- NUM_GROUPS=2;
- M=`expr $N \* 100`;
- FILE="stress-10";
- TEST_NAME="LIGHT GRP vs HEAVY GRP TEST:";
- echo `date` >> $LTPROOT/output/cpuctl_results_$FILE.txt;
- ;;
- * )
- usage;
- ;;
- esac
- echo "TEST $TEST_NUM: CPU CONTROLLER STRESS TESTING";
- echo "RUNNING SETUP.....";
- do_setup;
- # Trap the signal from any abnormaly terminated task
- # and kill all others and let cleanup be called
- trap 'echo "signal caught from task"; killall cpuctl_task_*;' SIGUSR1;
- echo "TEST STARTED: Please avoid using system while this test executes";
- #Check if c source file has been compiled and then run it in different groups
- case $TEST_NUM in
- "6" | "7" | "8" )
- if [ -f cpuctl_test03 ]
- then
- echo TEST NAME:- $TEST_NAME: $TEST_NUM >> $LTPROOT/output/cpuctl_results_$FILE.txt;
- echo Test $TEST_NUM: NUM_GROUPS=$NUM_GROUPS +1 \(DEF\)>> $LTPROOT/output/cpuctl_results_$FILE.txt;
- echo Test $TEST_NUM: TASKS PER GROUP=$TASKS_IN_GROUP >> $LTPROOT/output/cpuctl_results_$FILE.txt;
- echo "==========================================" >> $LTPROOT/output/cpuctl_results_$FILE.txt;
- for i in $(seq 1 $NUM_GROUPS)
- do
- MYGROUP=/dev/cpuctl/group_$i
- for j in $(seq 1 $TASKS_IN_GROUP)
- do
- TASK_NUM=`expr $TASK_NUM + 1`;
- cp cpuctl_test03 cpuctl_task_$TASK_NUM ;
- chmod +x cpuctl_task_$TASK_NUM;
- GROUP_NUM=$i MYGROUP=$MYGROUP SCRIPT_PID=$SCRIPT_PID NUM_CPUS=$NUM_CPUS \
- TEST_NUM=$TEST_NUM TASK_NUM=$TASK_NUM ./cpuctl_task_$TASK_NUM \
- >>$LTPROOT/output/cpuctl_results_$FILE.txt &
- if [ $? -ne 0 ]
- then
- echo "Error: Could not run ./cpuctl_task_$TASK_NUM"
- cleanup;
- exit -1;
- else
- PID[$TASK_NUM]=$!;
- fi;
- j=`expr $j + 1`
- done; # end j loop
- i=`expr $i + 1`
- done; # end i loop
- else
- echo "Source file not compiled..Plz check Makefile...Exiting test"
- cleanup;
- exit -1;
- fi;
- TOTAL_TASKS=$TASK_NUM;
- # Run the default task in a default group
- set_def_group;
- if [ ! -f cpuctl_def_task03 ]; then
- echo "Source file for default task not compiled";
- echo "Plz check Makefile...Exiting test";
- cleanup;
- exit -1;
- fi
- MYGROUP=/dev/cpuctl/group_def ;
- GROUP_NUM=0 MYGROUP=$MYGROUP SCRIPT_PID=$SCRIPT_PID \
- NUM_CPUS=$NUM_CPUS TEST_NUM=$TEST_NUM TASK_NUM=0 \
- ./cpuctl_def_task03 >>$LTPROOT/output/cpuctl_results_$FILE.txt &
- if [ $? -ne 0 ]
- then
- echo "Error: Could not run ./cpuctl_def_task03"
- cleanup;
- exit -1;
- else
- echo "Succesfully launched def task $! too";
- fi
- ;;
- "9" )
- if [ -f cpuctl_test04 ]
- then
- echo TEST NAME:- $TEST_NAME: $TEST_NUM >> $LTPROOT/output/cpuctl_results_$FILE.txt;
- echo NUM_GROUPS=$NUM_GROUPS +1 \(DEF\)>> $LTPROOT/output/cpuctl_results_$FILE.txt;
- echo TASKS PER GROUP=$TASKS_IN_GROUP >> $LTPROOT/output/cpuctl_results_$FILE.txt;
- echo "===============================" >> $LTPROOT/output/cpuctl_results_$FILE.txt;
- # Create 4 priority windows
- RANGE1=`expr $NUM_GROUPS / 4`;
- RANGE2=`expr $RANGE1 + $RANGE1`;
- RANGE3=`expr $RANGE2 + $RANGE1`;
- for i in $(seq 1 $NUM_GROUPS)
- do
- MYGROUP=/dev/cpuctl/group_$i
- for j in $(seq 1 $TASKS_IN_GROUP)
- do
- TASK_NUM=`expr $TASK_NUM + 1`;
- cp cpuctl_test04 cpuctl_task_$TASK_NUM ;
- chmod +x cpuctl_task_$TASK_NUM;
- # Per group nice value change must not affect group/task fairness
- if [ $i -le $RANGE1 ]
- then
- NICEVALUE=-16;
- elif [ $i -gt $RANGE1 ] && [ $i -le $RANGE2 ]
- then
- NICEVALUE=-17;
- elif [ $i -gt $RANGE2 ] && [ $i -le $RANGE3 ]
- then
- NICEVALUE=-18;
- else
- NICEVALUE=-19;
- fi
- GROUP_NUM=$i MYGROUP=$MYGROUP SCRIPT_PID=$SCRIPT_PID NUM_CPUS=$NUM_CPUS \
- TEST_NUM=$TEST_NUM TASK_NUM=$TASK_NUM nice -n $NICEVALUE ./cpuctl_task_$TASK_NUM \
- >>$LTPROOT/output/cpuctl_results_$FILE.txt &
- if [ $? -ne 0 ]
- then
- echo "Error: Could not run ./cpuctl_task_$TASK_NUM"
- cleanup;
- exit -1;
- else
- PID[$TASK_NUM]=$!;
- fi;
- j=`expr $j + 1`
- done; # end j loop
- i=`expr $i + 1`
- done; # end i loop
- else
- echo "Source file not compiled..Plz check Makefile...Exiting test"
- cleanup;
- exit -1;
- fi;
- TOTAL_TASKS=$TASK_NUM;
- # Run the default task in a default group
- set_def_group;
- if [ ! -f cpuctl_def_task04 ]; then
- echo "Source file for default task not compiled";
- echo "Plz check Makefile...Exiting test";
- cleanup;
- exit -1;
- fi
- MYGROUP=/dev/cpuctl/group_def ;
- GROUP_NUM=0 MYGROUP=$MYGROUP SCRIPT_PID=$SCRIPT_PID \
- NUM_CPUS=$NUM_CPUS TEST_NUM=$TEST_NUM TASK_NUM=0 \
- ./cpuctl_def_task04 >>$LTPROOT/output/cpuctl_results_$FILE.txt &
- if [ $? -ne 0 ]
- then
- echo "Error: Could not run ./cpuctl_def_task04"
- cleanup;
- exit -1;
- else
- echo "Succesfully launched def task $! too";
- fi
- ;;
- "10" )
- if [ -f cpuctl_test04 ]
- then
- echo TEST NAME:- $TEST_NAME: $TEST_NUM >> $LTPROOT/output/cpuctl_results_$FILE.txt;
- echo NUM_GROUPS=$NUM_GROUPS +1 \(DEF\)>> $LTPROOT/output/cpuctl_results_$FILE.txt;
- echo TASKS PER GROUP=VARIABLE >> $LTPROOT/output/cpuctl_results_$FILE.txt;
- echo "===============================" >> $LTPROOT/output/cpuctl_results_$FILE.txt;
- for i in $(seq 1 $NUM_GROUPS)
- do
- MYGROUP=/dev/cpuctl/group_$i;
- if [ $i -eq 1 ]
- then
- TASKS_IN_GROUP=$N;
- else
- TASKS_IN_GROUP=$M;
- fi;
- for j in $(seq 1 $TASKS_IN_GROUP)
- do
- TASK_NUM=`expr $TASK_NUM + 1`;
- cp cpuctl_test04 cpuctl_task_$TASK_NUM ;
- chmod +x cpuctl_task_$TASK_NUM;
- GROUP_NUM=$i MYGROUP=$MYGROUP SCRIPT_PID=$SCRIPT_PID NUM_CPUS=$NUM_CPUS \
- TEST_NUM=$TEST_NUM TASK_NUM=$TASK_NUM ./cpuctl_task_$TASK_NUM \
- >>$LTPROOT/output/cpuctl_results_$FILE.txt &
- if [ $? -ne 0 ]
- then
- echo "Error: Could not run ./cpuctl_task_$TASK_NUM"
- cleanup;
- exit -1;
- else
- PID[$TASK_NUM]=$!;
- fi;
- j=`expr $j + 1`
- done; # end j loop
- i=`expr $i + 1`
- done; # end i loop
- else
- echo "Source file not compiled..Plz check Makefile...Exiting test"
- cleanup;
- exit -1;
- fi;
- TOTAL_TASKS=$TASK_NUM;
- # Run the default task in a default group
- set_def_group;
- if [ ! -f cpuctl_def_task04 ]; then
- echo "Source file for default task not compiled";
- echo "Plz check Makefile...Exiting test";
- cleanup;
- exit -1;
- fi
- MYGROUP=/dev/cpuctl/group_def ;
- GROUP_NUM=0 MYGROUP=$MYGROUP SCRIPT_PID=$SCRIPT_PID \
- NUM_CPUS=$NUM_CPUS TEST_NUM=$TEST_NUM TASK_NUM=0 \
- ./cpuctl_def_task04 >>$LTPROOT/output/cpuctl_results_$FILE.txt &
- if [ $? -ne 0 ]
- then
- echo "Error: Could not run ./cpuctl_def_task04"
- cleanup;
- exit -1;
- else
- echo "Succesfully launched def task $! too";
- fi
- ;;
- * )
- usage;
- ;;
- esac
- sleep 8
- echo TASKS FIRED
- echo helloworld > myfifo;
- #wait for the tasks to finish for cleanup and status report to pan
- for i in $(seq 1 $TOTAL_TASKS)
- do
- wait ${PID[$i]};
- RC=$?; # Return status of the task being waited
- # In abnormal termination of anyone trap will kill all others
- # and they will return non zero exit status. So Test broke!!
- if [ $RC -ne 0 ]
- then
- echo "Task $i exited abnormaly with return value: $RC";
- tst_resm TINFO "Test could not execute for the expected duration";
- cleanup;
- exit -1;
- fi
- done
- echo "Cpu controller test executed successfully.Results written to file";
- echo "Please review the results in $LTPROOT/output/cpuctl_results_$FILE.txt"
- cleanup;
- cd $PWD
- exit 0; #to let PAN reprt success of test
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