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CPU Utilization issue

 
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Old 11-02-2012
CPU Utilization issue
I am working in C,C++ Telecom Provisioning application which is running in LINUX Red Hat Server. My application is running with several process like scmng,scspf, etc..
We have Log level setting for each process like 0,5,10,20.
If I set the FLOW level as 0, then it will not print any log info in log file.
If I set the FLOW level as 10, then it will just print only log info in log file.
If I set the FLOW level as 20, then it will print log plus time stamp in log file.

The issue is, one of the above process "scspf"(It is child process having 40 process) is utilizing the CPU as 100% when ever we set the FLOW level as 20.
If we set flow level to 0, then the CPU Utilization is 3 to 10 percent only.

In IBM AIX, it is not utilizing the CPU as 100% whenever we set the FLOW log as 20.

Please advice what is the root cause of this issue in Red Hat Server and how to rectify.
 
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LEARN ABOUT CENTOS

rhn_check

RHN_CHECK(8)							   Red Hat, Inc.						      RHN_CHECK(8)

NAME

       rhn_check - Check for and execute queued actions on RHN.

SYNOPSIS

       rhn_check [options]

DESCRIPTION

       rhn_check  is  a  client  program that connects to "Spacewalk Server", "Red Hat Satellite" or "Red Hat Network Classic" and receives queued
       actions for this particular system.  After receiving the actions, rhn_check will then process them, and return the results to Spacewalk.

OPTIONS

       -v, --verbose
	      Increase the debugging output.

       --proxy=PROXY
	      Specify an http proxy to use.

       --proxyUser=PROXYUSER
	      Specify a username to use for an authenticated proxy. This option must be used in conjunction with proxyPassword.

       --proxyPassword=PROXYPASSWORD
	      Specify a password to use for an authenticated proxy. This option must be used in conjunction with proxyUser.

       --version
	      Show the program's version number and exit.

       -h, --help
	      Show a help message and exit.

FILES

       /etc/sysconfig/rhn/systemid
	      The digital server ID for this machine if the system has been registered onto "Spacewalk Server", "Red Hat Satellite"  or  "Red  Hat
	      Network Classic".  This file does not exist otherwise.

       /etc/sysconfig/rhn/up2date
	      The common configuration file used by RHN client programs.

SEE ALSO

       rhn_register(8), rhnreg_ks(8), rhnsd(8), rhn-profile-sync(8), rhnplugin(8), up2date(5).

AUTHORS

       See the AUTHORS file included with this software.

       This manual page was written by James Bowes <jbowes@redhat.com>

BUGS

       Report bugs to <http://bugzilla.redhat.com>.

COPYRIGHT

       Copyright (C) 1999-2010 Red Hat, Inc.

       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.

Linux								  2010 August 30						      RHN_CHECK(8)