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RedHat 9 (Linux i386) - man page for sadc (redhat section 8)

SADC(8) 			       Linux User's Manual				  SADC(8)

       sadc - System activity data collector.

       /usr/lib/sa/sadc [ -I ] [ -V ] [ -x pid ] [ -X pid ] [ interval [ count ] ] [ outfile ]

       The  sadc command samples system data a specified number of times ( count ) at a specified
       interval measured in seconds ( interval ). It writes in binary  format  to  the	specified
       outfile	or  to	the  standard output. If outfile is set to -, then sadc uses the standard
       system activity daily data file, the /var/log/sa/sadd file, where the dd  parameter  indi-
       cates  the  current  day.  When the count parameter is not specified, sadc writes its data
       endlessly.  When both interval and count are not specified, a dummy record, which is  used
       at system startup to mark the time when the counter restarts from 0, will be written.  For
       example, one of the system startup script may write the restart mark  to  the  daily  data
       file by the command entry:

       /usr/lib/sa/sadc -

       The sadc command is intended to be used as a backend to the sar command.

       Note: The sadc command reports only local activity.

       -I     Tell  sadc  to  report  statistics for all system interrupts. By default, sadc only
	      reports statistics for the total number of interrupts.

       -V     Print version number and usage then exit.

       -x pid Tell sadc to report statistics for the process whose PID is pid.

       -X pid Tell sadc to report statistics for the child processes of the process whose PID  is
	      pid.   The  SELF keyword indicates that statistics are to be reported for the child
	      processes of the sadc process itself.

       /usr/lib/sa/sadc 1 10 /tmp/datafile
	      Write 10 records of one second intervals to the /tmp/datafile binary file.

       /proc filesystem must be mounted for the sadc command to work.

       All the statistics are not necessarily available, depending on the kernel version used.

	      Indicate the daily data file, where the dd parameter is a number	representing  the
	      day of the month.

       /proc contains various files with system statistics.

       Sebastien Godard <sebastien.godard@wanadoo.fr>

       sar(1), sa1(8), sa2(8), mpstat(1), iostat(1), vmstat(8)


Linux					  DECEMBER 1999 				  SADC(8)

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