%wait nmon CPU-UTILISATION Post: 302270882

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Operating Systems AIX %wait nmon CPU-UTILISATION Post 302270882 by tagger on Tuesday 23rd of December 2008 06:09:22 AM

12-23-2008

Registered User

%wait nmon CPU-UTILISATION

Hi,

I collect statistics with nmon. I'm very suprised about % wait of processor.
Number Of Processors: 4
Processor Clock Speed: 4204 MHz

Do U have an idea about % wait ?

Code:

│                   0----------25-----------50----------75----------100                                                                              │
│CPU User%  Sys% Wait% Idle%|           |            |           |            |                                                                              │
│  0  15.0   5.0   1.0  79.0|UUUUUUUss>                                       |                                                                              │
│  1   7.5   3.0   0.0  89.5|UUUs>                                            |                                                                              │
│  2  45.5   3.0   2.5  49.0|UUUUUUUUUUUUUUUUUUUUUUsW>                        |                                                                              │
│  3   0.0   0.0   1.0  99.0|>                                                |                                                                              │
│  4  30.5   9.0  43.0  17.5|UUUUUUUUUUUUUUUssssWWWWWWWWWWWWWWWWWWWWW>        |                                                                              │
│  5   9.5   3.0  51.5  36.0|UUUUsWWWWWWWWWWWWWWWWWWWWWWWWW>                  |                                                                              │
│  6  21.0  15.5  50.5  13.0|UUUUUUUUUUsssssssWWWWWWWWWWWWWWWWWWWWWWWWW>      |                                                                              │
│  7  10.0   6.0  43.0  41.0|UUUUUsssWWWWWWWWWWWWWWWWWWWWW>                   |                                                                              │
│Physical Averages          +-----------|------------|-----------|------------+                                                                              │
│All  33.4   7.9  17.8  40.9|>UUUUUUUUUUUUUUUsssWWWWWWWW                      |                                                                              │
│                           +-----------|------------|-----------|------------+

I don't understand

tagger

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LEARN ABOUT NETBSD

wait

WAIT(1) 						    BSD General Commands Manual 						   WAIT(1)

NAME

     wait -- await process completion

SYNOPSIS

     wait [pid]

DESCRIPTION

     If invoked with no arguments, the wait utility waits until all existing child processes in the background have terminated.

     Available operands:

     pid     If a pid operand is specified, and it is the process ID of a background child process that still exists, the wait utility waits until
	     that process has completed and consumes its status information, without consuming the status information of any other process.

	     If a pid operand is specified that is not the process ID of a child background process that still exists, wait exits without waiting
	     for any processes to complete.

     The wait utility exits with one of the following values:

     0	     The wait utility was invoked with no operands and all of the existing background child processes have terminated, or the process
	     specified by the pid operand exited normally with 0 as its exit status.

     >0      The specified process did not exist and its exit status information was not available, or the specified process existed or its exit
	     status information was available, and it terminated with a non-zero exit status.

     If the specified process terminated abnormally due to the receipt of a signal, the exit status information of wait contains that termination
     status as well.

STANDARDS

     The wait command is expected to be IEEE Std 1003.2 (``POSIX.2'') compatible.

BSD
								   June 5, 1993 							       BSD

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