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Diff for /src/usr.bin/vmstat/vmstat.8 between version 1.14 and 1.15

version 1.14, 1999/07/03 02:11:09 version 1.15, 2000/03/14 14:58:25
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 .Op Fl w Ar wait  .Op Fl w Ar wait
 .Op disks  .Op disks
 .Sh DESCRIPTION  .Sh DESCRIPTION
 .Nm vmstat  .Nm
 reports certain kernel statistics kept about process, virtual memory,  reports certain kernel statistics kept about process, virtual memory,
 disk, trap and cpu activity.  disk, trap and CPU activity.
 .Pp  .Pp
 The options are as follows:  The options are as follows:
 .Bl -tag -width "blah"  .Bl -tag -width "blah"
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 .El  .El
 .Pp  .Pp
 By default,  By default,
 .Nm vmstat  .Nm
 displays the following information just once:  displays the following information just once:
 .Bl -tag -width "whatever"  .Bl -tag -width "whatever"
 .It procs  .It procs
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 .El  .El
 .Pp  .Pp
 .It Ar memory  .It Ar memory
 Information about the usage of virtual and real memory.  Virtual pages  Information about the usage of virtual and real memory.
   Virtual pages
 (reported in units of 1024 bytes) are considered active if they belong  (reported in units of 1024 bytes) are considered active if they belong
 to processes which are running or have run in the last 20 seconds.  to processes which are running or have run in the last 20 seconds.
 .Pp  .Pp
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 The header of the field is the first character of the disk name and  The header of the field is the first character of the disk name and
 the unit number.  the unit number.
 If more than four disk drives are configured in the system,  If more than four disk drives are configured in the system,
 .Nm vmstat  .Nm
 displays only the first four drives.  displays only the first four drives.
 To force  To force
 .Nm vmstat  .Nm
 to display specific drives, their names may be supplied on the command line.  to display specific drives, their names may be supplied on the command line.
 .Pp  .Pp
 .It Ar faults  .It Ar faults
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 .It Ar sy  .It Ar sy
 system calls per interval  system calls per interval
 .It Ar cs  .It Ar cs
 cpu context switch rate (switches/interval)  CPU context switch rate (switches/interval)
 .El  .El
 .Pp  .Pp
 .It Ar cpu  .It Ar cpu
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 .It Ar sy  .It Ar sy
 system time  system time
 .It Ar id  .It Ar id
 cpu idle  CPU idle
 .El  .El
 .El  .El
 .Sh EXAMPLES  .Sh EXAMPLES
 The command ``vmstat -w 5'' will print what the system is doing every five  The command
   .Ic vmstat -w 5
   will print what the system is doing every five
 seconds; this is a good choice of printing interval since this is how often  seconds; this is a good choice of printing interval since this is how often
 some of the statistics are sampled in the system.  some of the statistics are sampled in the system.
 Others vary every second and running the output for a while will make it  Others vary every second and running the output for a while will make it
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 .Xr iostat 8 ,  .Xr iostat 8 ,
 .Xr pstat 8  .Xr pstat 8
 .Pp  .Pp
 The sections starting with ``Interpreting system activity'' in  The sections starting with
   .Dq Interpreting system activity
   in
 .%T "Installing and Operating 4.3BSD" .  .%T "Installing and Operating 4.3BSD" .
 .Sh BUGS  .Sh BUGS
 The  The
Legend:
Removed from v.1.14  
changed lines
  Added in v.1.15