| /* |
| * |
| * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| /* |
| * DESCRIPTION |
| * get_no_of_hugepages() --> Return No. of hugepages for this systems |
| * from /proc/meminfo |
| * hugepages_size() --> Return Hugepages Size for this system |
| * from /proc/meminfo |
| */ |
| |
| #include <fcntl.h> |
| #include <sys/types.h> |
| #include <test.h> |
| |
| #define BUFSIZE 512 |
| |
| int get_no_of_hugepages() { |
| #ifdef __linux__ |
| FILE *f; |
| char buf[BUFSIZ]; |
| |
| f = popen("grep 'HugePages_Total' /proc/meminfo | cut -d ':' -f2 | tr -d ' \n'", "r"); |
| if (!f) { |
| tst_resm(TBROK, "Could not get info about Total_Hugepages from /proc/meminfo"); |
| tst_exit(); |
| } |
| if (!fgets(buf, 10, f)) { |
| fclose(f); |
| tst_resm(TBROK, "Could not read Total_Hugepages from /proc/meminfo"); |
| tst_exit(); |
| } |
| pclose(f); |
| return(atoi(buf)); |
| #else |
| return -1; |
| #endif |
| } |
| |
| |
| int hugepages_size() { |
| #ifdef __linux__ |
| FILE *f; |
| char buf[BUFSIZ]; |
| |
| f = popen("grep 'Hugepagesize' /proc/meminfo | cut -d ':' -f2 | tr -d 'kB \n'", "r"); |
| if (!f) { |
| tst_resm(TBROK, "Could not get info about HugePages_Size from /proc/meminfo"); |
| tst_exit(); |
| } |
| if (!fgets(buf, 10, f)) { |
| fclose(f); |
| tst_resm(TBROK, "Could not read HugePages_Size from /proc/meminfo"); |
| tst_exit(); |
| } |
| pclose(f); |
| return(atoi(buf)); |
| #else |
| return -1; |
| #endif |
| } |
| |