132 lines
4.0 KiB
C
132 lines
4.0 KiB
C
/* Define struct rusage.
|
|
Copyright (C) 1994-2022 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
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
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef __rusage_defined
|
|
#define __rusage_defined 1
|
|
|
|
#include <bits/types.h>
|
|
#include <bits/types/struct_timeval.h>
|
|
|
|
/* Structure which says how much of each resource has been used. If
|
|
the system does not keep track of a particular value, the struct
|
|
field is always zero. */
|
|
|
|
/* The purpose of all the unions is to have the kernel-compatible layout
|
|
while keeping the API type as 'long int', and among machines where
|
|
__syscall_slong_t is not 'long int', this only does the right thing
|
|
for little-endian ones, like x32. */
|
|
struct rusage
|
|
{
|
|
/* Total amount of user time used. */
|
|
struct timeval ru_utime;
|
|
/* Total amount of system time used. */
|
|
struct timeval ru_stime;
|
|
/* Maximum resident set size (in kilobytes). */
|
|
__extension__ union
|
|
{
|
|
long int ru_maxrss;
|
|
__syscall_slong_t __ru_maxrss_word;
|
|
};
|
|
/* Amount of sharing of text segment memory
|
|
with other processes (kilobyte-seconds). */
|
|
__extension__ union
|
|
{
|
|
long int ru_ixrss;
|
|
__syscall_slong_t __ru_ixrss_word;
|
|
};
|
|
/* Amount of data segment memory used (kilobyte-seconds). */
|
|
__extension__ union
|
|
{
|
|
long int ru_idrss;
|
|
__syscall_slong_t __ru_idrss_word;
|
|
};
|
|
/* Amount of stack memory used (kilobyte-seconds). */
|
|
__extension__ union
|
|
{
|
|
long int ru_isrss;
|
|
__syscall_slong_t __ru_isrss_word;
|
|
};
|
|
/* Number of soft page faults (i.e. those serviced by reclaiming
|
|
a page from the list of pages awaiting reallocation. */
|
|
__extension__ union
|
|
{
|
|
long int ru_minflt;
|
|
__syscall_slong_t __ru_minflt_word;
|
|
};
|
|
/* Number of hard page faults (i.e. those that required I/O). */
|
|
__extension__ union
|
|
{
|
|
long int ru_majflt;
|
|
__syscall_slong_t __ru_majflt_word;
|
|
};
|
|
/* Number of times a process was swapped out of physical memory. */
|
|
__extension__ union
|
|
{
|
|
long int ru_nswap;
|
|
__syscall_slong_t __ru_nswap_word;
|
|
};
|
|
/* Number of input operations via the file system. Note: This
|
|
and `ru_oublock' do not include operations with the cache. */
|
|
__extension__ union
|
|
{
|
|
long int ru_inblock;
|
|
__syscall_slong_t __ru_inblock_word;
|
|
};
|
|
/* Number of output operations via the file system. */
|
|
__extension__ union
|
|
{
|
|
long int ru_oublock;
|
|
__syscall_slong_t __ru_oublock_word;
|
|
};
|
|
/* Number of IPC messages sent. */
|
|
__extension__ union
|
|
{
|
|
long int ru_msgsnd;
|
|
__syscall_slong_t __ru_msgsnd_word;
|
|
};
|
|
/* Number of IPC messages received. */
|
|
__extension__ union
|
|
{
|
|
long int ru_msgrcv;
|
|
__syscall_slong_t __ru_msgrcv_word;
|
|
};
|
|
/* Number of signals delivered. */
|
|
__extension__ union
|
|
{
|
|
long int ru_nsignals;
|
|
__syscall_slong_t __ru_nsignals_word;
|
|
};
|
|
/* Number of voluntary context switches, i.e. because the process
|
|
gave up the process before it had to (usually to wait for some
|
|
resource to be available). */
|
|
__extension__ union
|
|
{
|
|
long int ru_nvcsw;
|
|
__syscall_slong_t __ru_nvcsw_word;
|
|
};
|
|
/* Number of involuntary context switches, i.e. a higher priority process
|
|
became runnable or the current process used up its time slice. */
|
|
__extension__ union
|
|
{
|
|
long int ru_nivcsw;
|
|
__syscall_slong_t __ru_nivcsw_word;
|
|
};
|
|
};
|
|
|
|
#endif
|