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Annotation of researchv10dc/man/adm/man2/vtimes.2, revision 1.1.1.1

1.1       root        1: .TH VTIMES 2
                      2: .CT 2 time_man
                      3: .SH NAME
                      4: vtimes \- get usage of time, space, and paging resources
                      5: .SH SYNOPSIS
                      6: .B #include <sys/vtimes.h>
                      7: .PP
                      8: .B vtimes(par_vm, ch_vm)
                      9: .br
                     10: .B struct vtimes *par_vm, *ch_vm;
                     11: .SH DESCRIPTION
                     12: .I Vtimes
                     13: places accounting information for the current process in the
                     14: area pointed to by
                     15: .I par_vm
                     16: and for its terminated children in the
                     17: area pointed to by
                     18: .I ch_vm.
                     19: If either pointer
                     20: is 0, the corresponding information is omitted.
                     21: .PP
                     22: After the call, each area contains information in the form
                     23: .PP
                     24: .EX
                     25: .ta \w'struct 'u +\w'unsigned 'u +\w'vm_utime;  'u
                     26: struct vtimes {
                     27:        int     vm_utime;       /* user time */
                     28:        int     vm_stime;       /* system time */
                     29:                        /* rss = resident storage size in 512-byte pages */
                     30:        unsigned        vm_idsrss;      /* rss time integral, data+stack */
                     31:        unsigned        vm_ixrss;       /* rss time integral, text */
                     32:        int     vm_maxrss;      /* maximum rss */
                     33:        int     vm_majflt;      /* major page faults */
                     34:        int     vm_minflt;      /* minor page faults */
                     35:        int     vm_nswap;       /* number of swaps */
                     36:        int     vm_inblk;       /* block reads */
                     37:        int     vm_oublk;       /* block writes */
                     38: };
                     39: .EE
                     40: .PP
                     41: Times are expressed in clock ticks of 1/60 (or 1/50) second.
                     42: The time integrals are computed by cumulating the number
                     43: of 512-byte pages in use at each clock tick.
                     44: .PP
                     45: A major page fault involves a disk transfer; a minor
                     46: fault gathers page-reference information.
                     47: Block reads and writes are file system disk transfers;
                     48: blocks found in the buffer pool are not counted.
                     49: .SH SEE ALSO
                     50: .IR time (2),
                     51: .IR exit (2)

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