| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame^] | 1 | /* Copyright (C) 1991-2016 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | |
| 4 | The GNU C Library is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either |
| 7 | version 2.1 of the License, or (at your option) any later version. |
| 8 | |
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, see |
| 16 | <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #ifndef _SYS_VTIMES_H |
| 19 | #define _SYS_VTIMES_H 1 |
| 20 | |
| 21 | #include <features.h> |
| 22 | |
| 23 | __BEGIN_DECLS |
| 24 | |
| 25 | /* This interface is obsolete; use `getrusage' instead. */ |
| 26 | |
| 27 | /* Granularity of the `vm_utime' and `vm_stime' fields of a `struct vtimes'. |
| 28 | (This is the frequency of the machine's power supply, in Hz.) */ |
| 29 | #define VTIMES_UNITS_PER_SECOND 60 |
| 30 | |
| 31 | struct vtimes |
| 32 | { |
| 33 | /* User time used in units of 1/VTIMES_UNITS_PER_SECOND seconds. */ |
| 34 | int vm_utime; |
| 35 | /* System time used in units of 1/VTIMES_UNITS_PER_SECOND seconds. */ |
| 36 | int vm_stime; |
| 37 | |
| 38 | /* Amount of data and stack memory used (kilobyte-seconds). */ |
| 39 | unsigned int vm_idsrss; |
| 40 | /* Amount of text memory used (kilobyte-seconds). */ |
| 41 | unsigned int vm_ixrss; |
| 42 | /* Maximum resident set size (text, data, and stack) (kilobytes). */ |
| 43 | int vm_maxrss; |
| 44 | |
| 45 | /* Number of hard page faults (i.e. those that required I/O). */ |
| 46 | int vm_majflt; |
| 47 | /* Number of soft page faults (i.e. those serviced by reclaiming |
| 48 | a page from the list of pages awaiting reallocation. */ |
| 49 | int vm_minflt; |
| 50 | |
| 51 | /* Number of times a process was swapped out of physical memory. */ |
| 52 | int vm_nswap; |
| 53 | |
| 54 | /* Number of input operations via the file system. Note: This |
| 55 | and `ru_oublock' do not include operations with the cache. */ |
| 56 | int vm_inblk; |
| 57 | /* Number of output operations via the file system. */ |
| 58 | int vm_oublk; |
| 59 | }; |
| 60 | |
| 61 | /* If CURRENT is not NULL, write statistics for the current process into |
| 62 | *CURRENT. If CHILD is not NULL, write statistics for all terminated child |
| 63 | processes into *CHILD. Returns 0 for success, -1 for failure. */ |
| 64 | extern int vtimes (struct vtimes * __current, struct vtimes * __child) __THROW; |
| 65 | |
| 66 | __END_DECLS |
| 67 | |
| 68 | #endif /* sys/vtimes.h */ |