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Annotation of researchv10dc/man/man5/acct.5, revision 1.1

1.1     ! root        1: .TH ACCT 5
        !             2: .CT 1 sa_nonmortals
        !             3: .SH NAME
        !             4: acct \- execution accounting file
        !             5: .SH SYNOPSIS
        !             6: .B #include <sys/types.h>
        !             7: .br
        !             8: .B #include <sys/acct.h>
        !             9: .SH DESCRIPTION
        !            10: .IR Acct (2)
        !            11: causes an entry to be appended to an accounting file
        !            12: for each process that terminates.
        !            13: The layout of an accounting file entry, as given in
        !            14: .BR <sys/acct.h> ,
        !            15: is
        !            16: .PP
        !            17: .EX
        !            18: .ta \w'typedef 'u +\w'ASTINY 'u +\w'ac_comm[10];  'u
        !            19: typedef unsigned short comp_t;
        !            20: 
        !            21: struct acct
        !            22: {
        !            23:        char    ac_comm[10];    /* command name */
        !            24:        comp_t  ac_utime;       /* user time */
        !            25:        comp_t  ac_stime;       /* system time */
        !            26:        comp_t  ac_etime;       /* elapsed time */
        !            27:        time_t  ac_btime;       /* beginning time */
        !            28:        short   ac_uid; /* user ID */
        !            29:        short   ac_gid; /* group ID */
        !            30:        short   ac_mem; /* average memory usage */
        !            31:        comp_t  ac_io;  /* number of disk IO blocks */
        !            32:        dev_t   ac_tty; /* control typewriter */
        !            33:        char    ac_flag;        /* flag */
        !            34: };
        !            35: .EE
        !            36: .PP
        !            37: Values in
        !            38: .BR ac_flag :
        !            39: .PP
        !            40: .EX
        !            41: #define        AFORK   01      /* has executed fork, but no exec */
        !            42: #define        ASU     02      /* used super-user privileges */
        !            43: .EE
        !            44: .PP
        !            45: If the process does an
        !            46: .IR exec (2),
        !            47: the first 10 characters of the filename appear in
        !            48: .L ac_comm.
        !            49: .PP
        !            50: The type
        !            51: .B comp_t
        !            52: counts 60- or 50-cycle clock ticks in a private
        !            53: floating-point format: a
        !            54: three-bit base-8 exponent and a 13-bit unsigned mantissa.
        !            55: Thus the number of clock ticks that a process ran is expressed by
        !            56: .IR (ac_etime&017777)\^<<\^((ac_etime>>13)&03) .
        !            57: The beginning time,
        !            58: .BR ac_btime ,
        !            59: is recorded in the format of
        !            60: .IR time (2).
        !            61: .SH SEE ALSO
        !            62: .IR acct (2), 
        !            63: .IR sa (8)

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