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Diffstat (limited to 'resource/getrusage64.c')
| -rw-r--r-- | resource/getrusage64.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/resource/getrusage64.c b/resource/getrusage64.c new file mode 100644 index 0000000000..0e76f150cf --- /dev/null +++ b/resource/getrusage64.c @@ -0,0 +1,179 @@ +/* Copyright (C) 1996-2017 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 + <http://www.gnu.org/licenses/>. */ + +#include <sys/resource.h> +#include <include/time.h> +#include <sysdep.h> +#include <sys/syscall.h> + +/* Structure which says how much of each resource has been used. */ +/* 64-bit time version */ +/* 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_t64 + { + /* Total amount of user time used. */ + struct __timeval64 ru_utime; + /* Total amount of system time used. */ + struct __timeval64 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). */ + /* Maximum resident set size (in kilobytes). */ + __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; + }; + }; + + +int __getrusage64 (__rusage_who_t __who, struct __rusage_t64 *__usage) +{ + int result; + struct rusage usage32; + + result = INLINE_SYSCALL(getrusage, 2, __who, &usage32); + /* Copy fields from 32-bit into 64-bit rusage structure */ + /* Total amount of user time used. */ + __usage->ru_utime.tv_sec = usage32.ru_utime.tv_sec; + __usage->ru_utime.tv_usec = usage32.ru_utime.tv_usec; + /* Total amount of system time used. */ + __usage->ru_stime.tv_sec = usage32.ru_stime.tv_sec; + __usage->ru_stime.tv_usec = usage32.ru_stime.tv_usec; + /* Maximum resident set size (in kilobytes). */ + __usage->ru_maxrss = usage32.ru_maxrss; + /* Amount of sharing of text segment memory + with other processes (kilobyte-seconds). */ + /* Maximum resident set size (in kilobytes). */ + __usage->ru_ixrss = usage32.ru_ixrss; + /* Amount of data segment memory used (kilobyte-seconds). */ + __usage->ru_idrss = usage32.ru_idrss; + /* Amount of stack memory used (kilobyte-seconds). */ + __usage->ru_isrss = usage32.ru_isrss; + /* Number of soft page faults (i.e. those serviced by reclaiming + a page from the list of pages awaiting reallocation. */ + __usage->ru_minflt = usage32.ru_minflt; + /* Number of hard page faults (i.e. those that required I/O). */ + __usage->ru_majflt = usage32.ru_majflt; + /* Number of times a process was swapped out of physical memory. */ + __usage->ru_nswap = usage32.ru_nswap; + /* Number of input operations via the file system. Note: This + and `ru_oublock' do not include operations with the cache. */ + __usage->ru_inblock = usage32.ru_inblock; + /* Number of output operations via the file system. */ + __usage->ru_oublock = usage32.ru_oublock; + /* Number of IPC messages sent. */ + __usage->ru_msgsnd = usage32.ru_msgsnd; + /* Number of IPC messages received. */ + __usage->ru_msgrcv = usage32.ru_msgrcv; + /* Number of signals delivered. */ + __usage->ru_nsignals = usage32.ru_nsignals; + /* 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). */ + __usage->ru_nvcsw = usage32.ru_nvcsw; + /* Number of involuntary context switches, i.e. a higher priority process + became runnable or the current process used up its time slice. */ + __usage->ru_nivcsw = usage32.ru_nivcsw; + + return result; +} |