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Diffstat (limited to 'static/v10/man2/vtimes.2')
| -rw-r--r-- | static/v10/man2/vtimes.2 | 51 |
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diff --git a/static/v10/man2/vtimes.2 b/static/v10/man2/vtimes.2 new file mode 100644 index 00000000..5fc5a48f --- /dev/null +++ b/static/v10/man2/vtimes.2 @@ -0,0 +1,51 @@ +.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) |