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

Manas Kumar Nayak
2009-06-12T17:52:21Z

Signed-off-by: Manas Kumar Nayak <maknayak@in.ibm.com>
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

---
Regards--
Manas