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authorJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-26 16:38:00 -0400
committerJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-26 16:38:00 -0400
commit97d5c458cfa039d857301e1ca7d5af3beb37131d (patch)
treeb460cd850d0537eb71806ba30358840377b27688 /static/v10/man2/vtimes.2
parentb89dc2331a50c63f8b33272a5c4c61ab98abdaa3 (diff)
build: Better Build System
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-.TH VTIMES 2
-.CT 2 time_man
-.SH NAME
-vtimes \- get usage of time, space, and paging resources
-.SH SYNOPSIS
-.B #include <sys/vtimes.h>
-.PP
-.B vtimes(par_vm, ch_vm)
-.br
-.B struct vtimes *par_vm, *ch_vm;
-.SH DESCRIPTION
-.I Vtimes
-places accounting information for the current process in the
-area pointed to by
-.I par_vm
-and for its terminated children in the
-area pointed to by
-.I ch_vm.
-If either pointer
-is 0, the corresponding information is omitted.
-.PP
-After the call, each area contains information in the form
-.PP
-.EX
-.ta \w'struct 'u +\w'unsigned 'u +\w'vm_utime; 'u
-struct vtimes {
- int vm_utime; /* user time */
- int vm_stime; /* system time */
- /* rss = resident storage size in 512-byte pages */
- unsigned vm_idsrss; /* rss time integral, data+stack */
- unsigned vm_ixrss; /* rss time integral, text */
- int vm_maxrss; /* maximum rss */
- int vm_majflt; /* major page faults */
- int vm_minflt; /* minor page faults */
- int vm_nswap; /* number of swaps */
- int vm_inblk; /* block reads */
- int vm_oublk; /* block writes */
-};
-.EE
-.PP
-Times are expressed in clock ticks of 1/60 (or 1/50) second.
-The time integrals are computed by cumulating the number
-of 512-byte pages in use at each clock tick.
-.PP
-A major page fault involves a disk transfer; a minor
-fault gathers page-reference information.
-Block reads and writes are file system disk transfers;
-blocks found in the buffer pool are not counted.
-.SH SEE ALSO
-.IR time (2),
-.IR exit (2)