Re: [LTP] [PATCH 02/05] Add/Port sched_getaffinity01 test for sched_getaffinity() syscall

Subrata Modak
2009-06-15T20:38:59Z

On Fri, 2009-06-12 at 23:22 +0530, Manas Kumar Nayak wrote:
> Signed-off-by: Manas Kumar Nayak <maknayak@in.ibm.com>

Thanks.

Regards--
Subrata

> To: LTP List <ltp-list@lists.sourceforge.net>
> Cc: Subrata Modak <subrata@linux.vnet.ibm.com>
> Cc: Masatake YAMATO <yamato@redhat.com>
> ---
>
> --- ltp-full-20090531.orig/testcases/kernel/syscalls/sched_getaffinity/Makefile 1970-01-01 05:30:00.000000000 +0530
> +++ ltp-full-20090531/testcases/kernel/syscalls/sched_getaffinity/Makefile 2009-03-29 16:54:46.000000000 +0530
> @@ -0,0 +1,31 @@
> +#
> +# Copyright (c) International Business Machines Corp., 2009
> +#
> +# 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 St, Fifth Floor, Boston, MA 02110-1301 USA
> +#
> +
> +CFLAGS += -I../../../../include -Wall
> +LDLIBS += -L../../../../lib -lltp
> +
> +SRCS = $(wildcard *.c)
> +TARGETS = $(patsubst %.c,%,$(SRCS))
> +
> +all: $(TARGETS)
> +
> +install:
> + @set -e; for i in $(TARGETS); do ln -f $$i ../../../bin/$$i ; done
> +
> +clean:
> + rm -f $(TARGETS)
> --- ltp-full-20090531.orig/testcases/kernel/syscalls/sched_getaffinity/sched_getaffinity01.c 1970-01-01 05:30:00.000000000 +0530
> +++ ltp-full-20090531/testcases/kernel/syscalls/sched_getaffinity/sched_getaffinity01.c 2009-06-12 20:57:03.000000000 +0530
> @@ -0,0 +1,197 @@
> +/******************************************************************************/
> +/* Copyright (c) Crackerjack Project., 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
> +/* */
> +/******************************************************************************/
> +/******************************************************************************/
> +/* */
> +/* File: sched_getaffinity01.c */
> +/* */
> +/* Description: This tests the sched_getaffinity() syscall */
> +/* */
> +/* Usage: <for command-line> */
> +/* sched_getaffinity01 [-c n] [-e][-i n] [-I x] [-p x] [-t] */
> +/* where, -c n : Run n copies concurrently. */
> +/* -e : Turn on errno logging. */
> +/* -i n : Execute test n times. */
> +/* -I x : Execute test for x seconds. */
> +/* -P x : Pause for x seconds between iterations. */
> +/* -t : Turn on syscall timing. */
> +/* */
> +/* Total Tests: 1 */
> +/* */
> +/* Test Name: sched_getaffinity01 */
> +/* History: Porting from Crackerjack to LTP is done by */
> +/* Manas Kumar Nayak maknayak@in.ibm.com> */
> +/******************************************************************************/
> +#include<stdlib.h>
> +#include<stdio.h>
> +#include<sys/types.h>
> +#include<unistd.h>
> +#define _GNU_SOURCE
> +#define __USE_GNU
> +#include<sched.h>
> +#include<string.h>
> +#include <errno.h>
> +
> +/* Harness Specific Include Files. */
> +#include "test.h"
> +#include "usctest.h"
> +#include "linux_syscall_numbers.h"
> +
> +/* Extern Global Variables */
> +extern int Tst_count; /* counter for tst_xxx routines. */
> +extern char *TESTDIR; /* temporary dir created by tst_tmpdir() */
> +
> +/* Global Variables */
> +char *TCID = "sched_getaffinity01"; /* Test program identifier.*/
> +int testno;
> +int TST_TOTAL = 1; /* total number of tests in this file. */
> +
> +/* Extern Global Functions */
> +/******************************************************************************/
> +/* */
> +/* Function: cleanup */
> +/* */
> +/* Description: Performs all one time clean up for this test on successful */
> +/* completion, premature exit or failure. Closes all temporary */
> +/* files, removes all temporary directories exits the test with */
> +/* appropriate return code by calling tst_exit() function. */
> +/* */
> +/* Input: None. */
> +/* */
> +/* Output: None. */
> +/* */
> +/* Return: On failure - Exits calling tst_exit(). Non '0' return code. */
> +/* On success - Exits calling tst_exit(). With '0' return code. */
> +/* */
> +/******************************************************************************/
> +extern void cleanup() {
> + /* Remove tmp dir and all files in it */
> + TEST_CLEANUP;
> + tst_rmdir();
> +
> + /* Exit with appropriate return code. */
> + tst_exit();
> +}
> +
> +/* Local Functions */
> +/******************************************************************************/
> +/* */
> +/* Function: setup */
> +/* */
> +/* Description: Performs all one time setup for this test. This function is */
> +/* typically used to capture signals, create temporary dirs */
> +/* and temporary files that may be used in the course of this */
> +/* test. */
> +/* */
> +/* Input: None. */
> +/* */
> +/* Output: None. */
> +/* */
> +/* Return: On failure - Exits by calling cleanup(). */
> +/* On success - returns 0. */
> +/* */
> +/******************************************************************************/
> +void setup() {
> + /* Capture signals if any */
> + /* Create temporary directories */
> + TEST_PAUSE;
> + tst_tmpdir();
> +}
> +
> +int errnochoose(void) // choose the relative errno
> +{
> + switch errno
> + {
> + case EFAULT:
> + perror("EFAULT");
> + break;
> + case EINVAL: perror("EINVAL");
> + break;
> + case EPERM: perror("EPERM");
> + break;
> + case ESRCH: perror("ESRCH");
> + break;
> + default: perror("other errno");
> + break;
> + }
> + return 0 ;
> +}
> +
> +
> +int main(int ac, char **av) {
> + int lc,num,i; /* loop counter */
> + char *msg; /* message returned from parse_opts */
> + cpu_set_t mask;
> + unsigned int len = sizeof(cpu_set_t);
> +
> +
> + /* parse standard options */
> + if ((msg = parse_opts(ac, av, (option_t *)NULL, NULL)) != (char *)NULL){
> + tst_brkm(TBROK, cleanup, "OPTION PARSING ERROR - %s", msg);
> + tst_exit();
> + }
> +
> + setup();
> +
> + TEST(num=sysconf(_SC_NPROCESSORS_CONF)); //the number of processor(s)
> + tst_resm(TINFO,"system has %d processor(s).", num);
> +
> + /* Check looping state if -i option given */
> + for (lc = 0; TEST_LOOPING(lc); ++lc) {
> + Tst_count = 0;
> + for (testno = 0; testno < TST_TOTAL; ++testno) {
> + TEST(sched_getaffinity(0,len,(cpu_set_t *)-1)); //call sched_getaffinity()
> + if(TEST_RETURN == -1) {
> + errnochoose();
> + }
> +
> + TEST(sched_getaffinity(0,0,&mask)); //call sched_getaffinity()
> + if(TEST_RETURN == -1) {
> + errnochoose();
> + }
> +
> + TEST(sched_getaffinity(getpid()+1,len,&mask)); //call sched_getaffinity()
> + if(TEST_RETURN == -1) {
> + errnochoose();
> + }
> +
> + CPU_ZERO(&mask); //clear
> + TEST(sched_getaffinity(0,len,&mask)); //call sched_getaffinity()
> + if(TEST_RETURN == -1) {
> + tst_resm(TFAIL, "%s failed -could not get cpu affinity errno = %d : %s", TCID, TEST_ERRNO, strerror(TEST_ERRNO));
> + errnochoose();
> + cleanup();
> + tst_exit();
> + } else {
> + tst_resm(TINFO,"cpusetsize is %d cpu_set_t mask is %d",len,mask);
> + tst_resm(TINFO,"mask.__bits[0] = %lu ",mask.__bits[0]);
> + for(i=0;i<num;i++){ // check the processor
> + TEST(CPU_ISSET(i,&mask));
> + if (TEST_RETURN != -1 ){
> + tst_resm(TPASS,"sched_getaffinity() succeed ,this process %d is running processor: %d",getpid(), i);
> + }
> + }
> + }
> +
> +
> + }
> + }
> + cleanup();
> + tst_exit();
> +}
> +
> --- ltp-full-20090531.orig/runtest/syscalls 2009-06-12 21:02:30.000000000 +0530
> +++ ltp-full-20090531/runtest/syscalls 2009-06-12 20:58:25.000000000 +0530
> @@ -837,6 +837,8 @@ sched_setscheduler02 sched_setscheduler0
>
> sched_yield01 sched_yield01
>
> +sched_getaffinity01 sched_getaffinity01
> +
> select01 select01
> select02 select02
> select03 select03