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Full Discussion: vmstat returns good val for cpuIdle put ps shows no active process
Top Forums Shell Programming and Scripting vmstat returns good val for cpuIdle put ps shows no active process Post 302113510 by OFFSIHR on Friday 6th of April 2007 03:05:47 PM
Old 04-06-2007
Quote:
Originally Posted by Deal_NoDeal
First sort based on the CPU% in the reverse order, something like this:
ps -e -o user,stime,pcpu,pid,ppid,time,tty,args | sort -k3 -rn

Now couple of things (just throwing in my 2 cents):
1. vmstat shows the summary of activity since the system was booted last. Well although the output changes with the kernel state changes, the old processes would still show up if they accounting to a higher CPU.
2. Do you want to use mpstat instead of vmstat. Hmm not sure if that would really change the output much.

thanks for your reply Deal_NoDeal.

The problem I'm getting is that I get 0.0 returned for all my %CPUs. AARGH!
I decided to use vmstat not mpstat as wasn't that interested in by processor just overal.

When I use vmstat I don't take the first output for the reason you state. I get the latest val output after 2 seconds
Code:
#gets the column that contains the cpu idle val as diff col on diff sys
idColNo=`/usr/bin/vmstat 1 2 | grep id | awk -v idleVal=id -f cpuIdle.awk`
#gets val that corresponds to column
cpuIdleTime=`/usr/bin/vmstat 1 2 | tail -1 | awk -v idColNo=$idColNo '{ split($0, vals); print vals[idColNo]}'`

Do you have ideas?
Thanks for your time
 

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LEARN ABOUT SUSE

platform::shell

platform::shell(n)					       Tcl Bundled Packages						platform::shell(n)

__________________________________________________________________________________________________________________________________________________

NAME

       platform::shell - System identification support code and utilities

SYNOPSIS

       package require platform::shell ?1.1.4?

       platform::shell::generic shell
       platform::shell::identify shell
       platform::shell::platform shell
_________________________________________________________________

DESCRIPTION

       The platform::shell package provides several utility commands useful for the identification of the architecture of a specific Tcl shell.

       This  package  allows the identification of the architecture of a specific Tcl shell different from the shell running the package. The only
       requirement is that the other shell (identified by its path), is actually executable on the current machine.

       While for most platform this means that the architecture of the interrogated shell is identical to the architecture of  the  running  shell
       this  is  not generally true. A counter example are all platforms which have 32 and 64 bit variants and where a 64bit system is able to run
       32bit code. For these running and interrogated shell may have different 32/64 bit settings and thus different identifiers.

       For applications like a code repository it is important to identify the architecture of the shell which will  actually  run  the  installed
       packages, versus the architecture of the shell running the repository software.

COMMANDS

       platform::shell::identify shell
	      This command does the same identification as platform::identify, for the specified Tcl shell, in contrast to the running shell.

       platform::shell::generic shell
	      This command does the same identification as platform::generic, for the specified Tcl shell, in contrast to the running shell.

       platform::shell::platform shell
	      This command returns the contents of tcl_platform(platform) for the specified Tcl shell.

KEYWORDS

       operating system, cpu architecture, platform, architecture

platform::shell 						       1.1.4							platform::shell(n)
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