| /* Determine various system internal values, Linux/Alpha version. |
| Copyright (C) 1999-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Andreas Schwab <schwab@suse.de> |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| |
| /* We need to define a special parser for /proc/cpuinfo. */ |
| #define GET_NPROCS_PARSER(FD, BUFFER, CP, RE, BUFFER_END, RESULT) \ |
| do \ |
| { \ |
| /* Find the line that contains the information about the number of \ |
| active cpus. We don't have to fear extremely long lines since \ |
| the kernel will not generate them. 8192 bytes are really enough. \ |
| If there is no "CPUs ..." line then we are on a UP system. */ \ |
| char *l; \ |
| (RESULT) = 1; \ |
| while ((l = next_line (FD, BUFFER, &CP, &RE, BUFFER_END)) != NULL) \ |
| if ((sscanf (BUFFER, "cpus active : %d", &(RESULT)) == 1) \ |
| || (sscanf (BUFFER, "CPUs probed %*d active %d", \ |
| &(RESULT)) == 1)) \ |
| break; \ |
| } \ |
| while (0) |
| |
| |
| /* On the Alpha we can distinguish between the number of configured and |
| active cpus. */ |
| #define GET_NPROCS_CONF_PARSER(FP, BUFFER, RESULT) \ |
| do \ |
| { \ |
| /* Find the line that contains the information about the number of \ |
| probed cpus. We don't have to fear extremely long lines since \ |
| the kernel will not generate them. 8192 bytes are really enough. \ |
| If there is no "CPUs ..." line then we are on a UP system. */ \ |
| (RESULT) = 1; \ |
| while (fgets_unlocked ((BUFFER), sizeof (BUFFER), (FP)) != NULL) \ |
| if ((sscanf (buffer, "cpus detected : %d", &(RESULT)) == 1) \ |
| || (sscanf (buffer, "CPUs probed %d", &(RESULT)) == 1)) \ |
| break; \ |
| } \ |
| while (0) |
| |
| #include <sysdeps/unix/sysv/linux/getsysstats.c> |
