Re: [LTP] [PATCH 02/13] Add/Port get_mempolicy01 test for get_mempolicy() syscall

Subrata Modak
2009-05-29T12:55:39Z

On Wed, 2009-05-27 at 15:37 +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-intermediate-20090521.orig/testcases/kernel/syscalls/get_mempolicy/get_mempolicy01.c 1970-01-01 05:30:00.000000000 +0530
> +++ ltp-intermediate-20090521/testcases/kernel/syscalls/get_mempolicy/get_mempolicy01.c 2009-05-26 21:32:56.000000000 +0530
> @@ -0,0 +1,453 @@
> +/******************************************************************************/
> +/* Copyright (c) Crackerjack Project., 2007-2008 ,Hitachi, Ltd */
> +/* Author(s): Takahiro Yasui <takahiro.yasui.mp@hitachi.com>, */
> +/* Yumiko Sugita <yumiko.sugita.yf@hitachi.com>, */
> +/* Satoshi Fujiwara <sa-fuji@sdl.hitachi.co.jp> */
> +/* */
> +/* 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: get_mempolicy01.c */
> +/* */
> +/* Description: This tests the get_mempolicy() syscall */
> +/* */
> +/* */
> +/* */
> +/* */
> +/* */
> +/* */
> +/* Usage: <for command-line> */
> +/* get_mempolicy01 [-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: get_mempolicy01 */
> +/* History: Porting from Crackerjack to LTP is done by */
> +/* Manas Kumar Nayak maknayak@in.ibm.com> */
> +/******************************************************************************/
> +#include <sys/syscall.h>
> +#include <sys/types.h>
> +#include <sys/mman.h>
> +#include <getopt.h>
> +#include <string.h>
> +#include <stdlib.h>
> +#include <errno.h>
> +#include <stdio.h>
> +#include <unistd.h>
> +#include "../utils/numaif.h"
> +#include "../utils/include_j_h.h"
> +#include "../utils/common_j_h.c"
> +
> +/* 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 = "get_mempolicy01"; /* 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();
> +}
> +
> +
> +/*
> + * Macros
> + */
> +#define SYSCALL_NAME "get_mempolicy"
> +
> +
> +/*
> + * Global variables
> + */
> +static int opt_debug;
> +static char *progname;
> +
> +enum test_type {
> + DEFAULT, // get default policy
> + ADDR, // get policy of memory which include mapped address
> + INVALID_POINTER,
> + INVALID_FLAGS,
> +};
> +
> +enum from_node {
> + NONE,
> + SELF,
> +};
> +
> +
> +/*
> + * Data Structure
> + */
> +struct test_case {
> + int ttype;
> + int policy;
> + int from_node;
> + int ret;
> + int err;
> +};
> +
> +/* Test cases
> + *
> + * test status of errors on man page
> + *
> + * (NONE) man page hadn't been completed.
> + *
> + * test status of errors NOT on man page
> + *
> + * EFAULT v (invalid address)
> + * EINVAL v (invalid parameters)
> + */
> +
> +static struct test_case tcase[] = {
> + { // case00
> + .ttype = DEFAULT,
> + .policy = MPOL_DEFAULT,
> + .from_node = NONE,
> + .ret = 0,
> + .err = 0,
> + },
> + { // case01
> + .ttype = DEFAULT,
> + .policy = MPOL_BIND,
> + .from_node = SELF,
> + .ret = 0,
> + .err = 0,
> + },
> + { // case02
> + .ttype = DEFAULT,
> + .policy = MPOL_INTERLEAVE,
> + .from_node = SELF,
> + .ret = 0,
> + .err = 0,
> + },
> +{ // case03
> + .ttype = DEFAULT,
> + .policy = MPOL_PREFERRED,
> + .from_node = NONE,
> + .ret = 0,
> + .err = 0,
> + },
> + { // case04
> + .ttype = DEFAULT,
> + .policy = MPOL_PREFERRED,
> + .from_node = SELF,
> + .ret = 0,
> + .err = 0,
> + },
> + { // case05
> + .ttype = ADDR,
> + .policy = MPOL_DEFAULT,
> + .from_node = NONE,
> + .ret = 0,
> + .err = 0,
> + },
> +{ // case06
> + .ttype = ADDR,
> + .policy = MPOL_BIND,
> + .from_node = SELF,
> + .ret = 0,
> + .err = 0,
> + },
> + { // case07
> + .ttype = ADDR,
> + .policy = MPOL_INTERLEAVE,
> + .from_node = SELF,
> + .ret = 0,
> + .err = 0,
> + },
> + { // case08
> + .ttype = ADDR,
> + .policy = MPOL_PREFERRED,
> + .from_node = NONE,
> + .ret = 0,
> + .err = 0,
> + },
> +{ // case09
> + .ttype = ADDR,
> + .policy = MPOL_PREFERRED,
> + .from_node = SELF,
> + .ret = 0,
> + .err = 0,
> + },
> + { // case10
> + .ttype = INVALID_POINTER,
> + .policy = MPOL_DEFAULT,
> + .from_node = NONE,
> + .ret = -1,
> + .err = EFAULT,
> + },
> + { // case11
> + .ttype = INVALID_FLAGS,
> + .policy = MPOL_DEFAULT,
> + .from_node = NONE,
> + .ret = -1,
> + .err = EINVAL,
> + },
> +};
> +
> +#define MEM_LENGTH (4 * 1024 * 1024)
> +/*
> + * do_test()
> + *
> + * Input : TestCase Data
> + * Return : RESULT_OK(0), RESULT_NG(1)
> + *
> + */
> +
> +static int do_test(struct test_case *tc)
> +{
> + int sys_ret;
> + int sys_errno;
> + int result = RESULT_OK;
> + int rc, policy, flags, cmp_ok = 1;
> + nodemask_t nodemask, getnodemask;
> + unsigned long maxnode = NUMA_NUM_NODES;
> + char *p = NULL;
> + unsigned long len = MEM_LENGTH;
> +
> + /* We assume that there is only one node(node0). */
> + nodemask_zero(&nodemask);
> + nodemask_set(&nodemask, 0);
> + nodemask_zero(&getnodemask);
> +
> + switch (tc->ttype) {
> + case DEFAULT:
> + flags = 0;
> + p = NULL;
> + // set memory policy
> + if (tc->from_node == NONE)
> + TEST(rc = syscall(__NR_set_mempolicy, tc->policy, NULL, 0));
> + else
> + TEST(rc = syscall(__NR_set_mempolicy, tc->policy,&nodemask, maxnode));
> +
> + if (TEST_RETURN < 0) {
> + tst_resm(TFAIL, "set_mempolicy() failed - errno = %d : %s",TEST_ERRNO, strerror(TEST_ERRNO));
> + result = 1;
> + cleanup();
> + tst_exit();
> + }
> + break;
> + default:
> + flags = MPOL_F_ADDR;
> + // mmap memory
> + p = mmap(NULL, len, PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
> + if (p == (void*)-1) {
> + tst_resm(TFAIL, "malloc failed - errno = %d : %s",TEST_ERRNO, strerror(TEST_ERRNO));
> + result = 1;
> + cleanup();
> + tst_exit();
> + }
> + // set memory policy
> + if (tc->from_node == NONE)
> + TEST(rc = syscall(__NR_mbind, p, len, tc->policy,NULL, 0, 0));
> + else
> + TEST(rc = syscall(__NR_mbind, p, len, tc->policy,&nodemask, maxnode, 0));
> + if (tc->ttype == INVALID_POINTER)
> + p = NULL;
> +
> + if (tc->ttype == INVALID_FLAGS){
> + flags = -1;
> + break;
> + }
> + }
> + /*
> + * Execute system call
> + */
> + errno = 0;
> + TEST(sys_ret = syscall(__NR_get_mempolicy, &policy, &getnodemask, maxnode,p, flags));
> + sys_errno = errno;
> + if (sys_ret < 0)
> + goto TEST_END;
> +
> + // When policy equals MPOL_DEFAULT, then get_mempolicy not return node
> + if (tc->policy == MPOL_DEFAULT)
> + nodemask_zero(&nodemask);
> + cmp_ok = tc->policy == policy && nodemask_equal(&nodemask,&getnodemask);
> + if (opt_debug) {
> + nodemask_dump("nodemask Expect:", &nodemask);
> + nodemask_dump("nodemask Result:", &getnodemask);
> + tst_resm(TINFO,"policy E:%d R:%d", tc->policy, policy);
> + }
> +TEST_END:
> + /*
> + * Check results
> + */
> + result |= (sys_errno != tc->err) || !cmp_ok;
> + PRINT_RESULT_CMP(0, tc->ret, tc->err, sys_ret, sys_errno, cmp_ok);
> +EXIT:
> + return result;
> +}
> +
> +
> +/*
> + * usage()
> + */
> +
> +void usage(const char *progname)
> +{
> + tst_resm(TINFO,"usage: %s [options]", progname);
> + tst_resm(TINFO,"This is a regression test program of %s system call.",SYSCALL_NAME);
> + tst_resm(TINFO,"options:");
> + tst_resm(TINFO," -d --debug Show debug messages");
> + tst_resm(TINFO," -h --help Show this message");
> +
> + tst_resm(TINFO,"NG");
> + exit(1);
> +}
> +
> +
> +/*
> + * main()
> + */
> +
> +
> +
> +int main(int ac, char **av) {
> + int result = RESULT_OK;
> + int c;
> + int i;
> + int lc; /* loop counter */
> + char *msg; /* message returned from parse_opts */
> +
> + struct option long_options[] = {
> + { "debug", no_argument, 0, 'd' },
> + { "help", no_argument, 0, 'h' },
> + { NULL, 0, NULL, 0 }
> + };
> +
> + progname = strchr(av[0], '/');
> + progname = progname ? progname + 1 : av[0];
> +
> + /* 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();
> +
> + /* 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(c = getopt_long(ac, av, "dh", long_options, NULL));
> + while(TEST_RETURN != -1) {
> + switch (c) {
> + case 'd':
> + opt_debug = 1;
> + break;
> + default:
> + usage(progname);
> + // NOTREACHED
> + }
> + }
> +
> + /*
> + * Execute test
> + */
> + for (i = 0; i < (int)(sizeof(tcase) / sizeof(tcase[0])); i++) {
> + int ret;
> + tst_resm(TINFO,"(case%02d) START", i);
> + ret = do_test(&tcase[i]);
> + tst_resm(TINFO,"(case%02d) END => %s", i, (ret == 0) ? "OK" : "NG");
> + result |= ret;
> + }
> +
> + /*
> + * Check results
> + */
> + switch(result) {
> + case RESULT_OK:
> + tst_resm(TPASS, "get_mempolicy call succeeded");
> + break;
> +
> + default:
> + tst_resm(TFAIL, "%s failed - errno = %d : %s", TCID, TEST_ERRNO, strerror(TEST_ERRNO));
> + tst_resm(TINFO,"NG");
> + cleanup();
> + tst_exit();
> + break;
> + }
> +
> + }
> +
> + }
> + cleanup();
> + tst_exit();
> +}
> +
> --- ltp-intermediate-20090521.orig/testcases/kernel/syscalls/get_mempolicy/Makefile 1970-01-01 05:30:00.000000000 +0530
> +++ ltp-intermediate-20090521/testcases/kernel/syscalls/get_mempolicy/Makefile 2009-05-22 23:56:55.000000000 +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 -O2
> +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-intermediate-20090521.orig/runtest/syscalls 2009-05-26 21:12:52.000000000 +0530
> +++ ltp-intermediate-20090521/runtest/syscalls 2009-05-26 21:34:34.000000000 +0530
> @@ -393,6 +393,7 @@ getresuid03 getresuid03
> getrlimit01 getrlimit01
> getrlimit02 getrlimit02
>
> +get_mempolicy01 get_mempolicy01
> get_robust_list01 get_robust_list01
>
> getrusage01 getrusage01
>
> ---
> Regards--
> Manas