src/usr.bin/top/top.1 - diff

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Diff for /src/usr.bin/top/top.1 between version 1.25 and 1.26

version 1.25, 2004/10/07 06:26:12

version 1.26, 2005/05/13 20:43:30

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This mode is the default when standard output is an intelligent terminal.

.It Fl I

Do not display idle processes.

By default, top displays both active and idle processes.

By default,

.Nm

displays both active and idle processes.

.It Fl n

Use

.Em non-interactive

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but in lower case.

The

.Ox

version of top supports

version of

.Nm

supports

.Ar cpu ,

.Ar size ,

.Ar res ,

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.It Fl q

Renice

.Nm

to -20 so that it will run faster.

to \-20 so that it will run faster.

This can be used when the system is

being very sluggish to improve the possibility of discovering the problem.

This option can only be used by root.

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.Fl o

flag, as detailed above.

.It p

Display a specific process (prompt for pid).

Display a specific process (prompt for PID).

If the pid specified is simply

If the PID specified is simply

.Dq + ,

then processes belonging to all users will be displayed.

.It r

Change the priority (the

.Em nice )

of a list of processes.

of a list of processes (prompt for the new nice value and the list of

PIDs, all separated by space).

This acts similarly to the command

.Xr renice 8 .

.It s

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the current time,

the number of existing processes,

the number of processes in each state

(sleeping, running, starting, zombies, and stopped),

(starting, running, idle, stopped, zombie, dead, and on processor),

and a percentage of time spent in each of the processor states

(user, nice, system, and idle).

(user, nice, system, interrupt, and idle).

It also includes information about physical and virtual memory allocation.

The load average numbers give the number of jobs in the run queue averaged

over 1, 5 and 15 minutes.

over 1, 5, and 15 minutes.

.Pp

The remainder of the screen displays information about individual

processes.

This display is similar in spirit to

.Xr ps 1

but it is not exactly the same.

PID is the process ID, USERNAME is the name

The following fields are displayed:

of the process's owner (if

.Bl -tag -width USERNAME -offset indent

.It PID

The process ID.

.It USERNAME

The name of the process's owner.

.It UID

Used instead of USERNAME if

.Fl u

is specified, a UID column will be substituted for USERNAME),

is specified.

PRI is the current priority of the process,

.It PRI

NICE is the nice amount (in the range -20 to 20),

The current priority of the process.

SIZE is the total size of the process (text, data, and stack),

.It NICE

RES is the current amount of resident memory (both SIZE and RES are

The nice amount (in the range \-20 to 20).

given in kilobytes),

.It SIZE

STATE is the current state (one of

The total size of the process (the text, data, and stack segments).

.Li sleep ,

Given in kilobytes.

.Li WAIT ,

.It RES

The current amount of resident memory.

Given in kilobytes.

.It STATE

The current state (one of

.Li start ,

.Li run ,

.Li idl ,

.Li sleep ,

.Li stop ,

.Li idle ,

.Li zomb ,

.Li dead ,

.Li stop ) ,

.Li onproc ) .

TIME is the number of system and user CPU seconds that the process has used,

On multi-processor systems, this is followed by a slash and the CPU

WCPU, when displayed, is the weighted CPU percentage (this is the same

number on which the process is bound.

value that

.It WAIT

.Xr ps 1

A description of the wait channel the process is sleeping on if it's

displays as CPU),

asleep.

CPU is the raw percentage and is the field that is sorted to determine

.It TIME

the order of the processes, and

The number of system and user CPU seconds that the process has used.

COMMAND is the name of the command that the process is currently running

.It CPU

(if the process is swapped out, this column is marked

The raw percentage of CPU usage and the default field on which the

.Li <swapped> ) .

display is sorted.

.Sh NOTES

.It COMMAND

The

The name of the command that the process is currently running.

.Em ABANDONED

(If the process is swapped out, this column is enclosed by angle

state (known in the kernel as

brackets.)

.Em SWAIT )

.El

was abandoned, thus the name.

A process should never end up in this state.

.Sh ENVIRONMENT

.Bl -tag -width XxXXXX

.Bl -tag -width Ev

.It Ev TOP

User-configurable defaults for options.

.El

.Sh FILES

.Bl -tag -width XxXXXXXXX -compact

.Bl -tag -width Pa -compact

.It Pa /dev/kmem

kernel memory

.It Pa /dev/mem

physical memory

.It Pa /etc/passwd

used to map user ID to name

.It Pa /bsd

kernel image

.El

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.Sh AUTHORS

William LeFebvre, EECS Department, Northwestern University

.Sh BUGS

The command name for swapped processes should be tracked down, but this

would make the program run slower.

.Pp

As with

.Xr ps 1 ,

things can change while