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Top Forums Shell Programming and Scripting CPU Usage for a particular process Post 302321479 by jitendriya.dash on Monday 1st of June 2009 10:02:29 AM
Old 06-01-2009
Error CPU Usage for a particular process

Hi,

I have a shell script. But, upon execution of the same, the cpu usage is sometimes getting 100 % (checked executing top command).

At that point of time, my process hangs, doesn't run anymore. I need to kill it manually.

My concern is, is there any default method, by which I can check each time, whether the CPU usage for my process reaches more than 90 % ?

ex-

if <<CPU usage> greater than 90 % >,
then
sleep 2
else
< normal execution >.
fi

Currently, I can do it, by taking the output of top command and parsing it (using awk or any similar tools). But, is there any better way to check that ?

Please help.

Thanks and Regards,

Jitendriya Dash.
 

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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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