1 /* 2 * Copyright (c) 2008 Vijay Kumar B. <vijaykumar (at) bravegnu.org> 3 * 4 * Based on testcases/kernel/syscalls/waitpid/waitpid01.c 5 * Original copyright message: 6 * 7 * Copyright (c) International Business Machines Corp., 2001 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 17 * the GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 22 */ 23 24 /* 25 * NAME 26 * move_pages01.c 27 * 28 * DESCRIPTION 29 * Test retrieval of NUMA node 30 * 31 * ALGORITHM 32 * 1. Allocate pages in NUMA nodes A and B. 33 * 2. Use move_pages() to retrieve the NUMA node of the pages. 34 * 3. Check if the NUMA nodes reported are correct. 35 * 36 * USAGE: <for command-line> 37 * move_pages01 [-c n] [-i n] [-I x] [-P x] [-t] 38 * where, -c n : Run n copies concurrently. 39 * -i n : Execute test n times. 40 * -I x : Execute test for x seconds. 41 * -P x : Pause for x seconds between iterations. 42 * -t : Turn on syscall timing. 43 * 44 * History 45 * 05/2008 Vijay Kumar 46 * Initial Version. 47 * 48 * Restrictions 49 * None 50 */ 51 52 #include <sys/signal.h> 53 #include <sys/types.h> 54 #include <sys/wait.h> 55 #include <errno.h> 56 #include "test.h" 57 #include "move_pages_support.h" 58 59 #define TEST_PAGES 2 60 #define TEST_NODES TEST_PAGES 61 62 void setup(void); 63 void cleanup(void); 64 65 char *TCID = "move_pages01"; 66 int TST_TOTAL = 1; 67 68 int main(int argc, char **argv) 69 { 70 71 tst_parse_opts(argc, argv, NULL, NULL); 72 73 setup(); 74 75 #ifdef HAVE_NUMA_V2 76 int lc; 77 78 /* check for looping state if -i option is given */ 79 for (lc = 0; TEST_LOOPING(lc); lc++) { 80 void *pages[TEST_PAGES] = { 0 }; 81 int status[TEST_PAGES]; 82 int ret; 83 84 /* reset tst_count in case we are looping */ 85 tst_count = 0; 86 87 ret = alloc_pages_linear(pages, TEST_PAGES); 88 if (ret == -1) 89 continue; 90 91 ret = numa_move_pages(0, TEST_PAGES, pages, NULL, status, 0); 92 if (ret < 0) { 93 tst_resm(TFAIL|TERRNO, "move_pages failed"); 94 free_pages(pages, TEST_PAGES); 95 continue; 96 } else if (ret > 0) { 97 tst_resm(TINFO, "move_pages() returned %d\n", ret); 98 } 99 100 verify_pages_linear(pages, status, TEST_PAGES); 101 102 free_pages(pages, TEST_PAGES); 103 104 } 105 #else 106 tst_resm(TCONF, NUMA_ERROR_MSG); 107 #endif 108 109 cleanup(); 110 tst_exit(); 111 112 } 113 114 /* 115 * setup() - performs all ONE TIME setup for this test 116 */ 117 void setup(void) 118 { 119 120 tst_sig(NOFORK, DEF_HANDLER, cleanup); 121 122 check_config(TEST_NODES); 123 /* Pause if that option was specified 124 * TEST_PAUSE contains the code to fork the test with the -c option. 125 */ 126 TEST_PAUSE; 127 } 128 129 /* 130 * cleanup() - performs all ONE TIME cleanup for this test 131 */ 132 void cleanup(void) 133 { 134 135 } 136
