6 using the ps command, 1 options, Using the ps – FUJITSU SPARC ENTERPRISE M5000 User Manual

Page 73: Options

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Chapter 2

Fault Isolation

2-35

2.7.6

Using the ps Command

The ps command lists the status of processes. Using options and rearranging the
command output can assist in determining the resource allocation.

2.7.6.1

Options

TABLE 2-17

describes options for the ps command and how those options can help

troubleshooting.

The

following example shows output for one ps command.

Note –

When using sort with the -r option, the column headings are printed so

that the value in the first column is equal to zero.

TABLE 2-17

Options for

ps

Option

Description

How It Can Help

-e

Displays information for every
process.

Identifies the process ID and the executable.

-f

Generates a full listing.

Provides the following process information: user ID,
parent process ID, time when executed, and the path to
the executable.

-o

option

Enables configurable output. The

pid

,

pcpu

,

pmem

, and

comm

options

display process ID, percent CPU
consumption, percent memory
consumption, and the responsible
executable, respectively.

Provides only most important information. Knowing
the percentage of resource consumption helps identify
processes that are affecting performance and might be
hung.

# ps

PID TTY TIME CMD

101042 pts/3 0:00 ps

101025 pts/3 0:00 sh

#

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