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Dynamic information of Kernel using multithreading

 
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Old 09-24-2008
Dynamic information of Kernel using multithreading
Hi , I am new to this forum. Can someone help me on this question, I have no clue how to proceed . Its urgent..
A continuous program should print out the following dynamic information
(average of an interval). Internally, there should be two parameters with
your program, one is the probing interval and the other one is the printing
(display) interval. e.g., the probing interval could be 1 second, and the
printing interval could be 30 seconds, thus your program can calculate the
required metrics in the last 30 collected samples.(In other words-In the dynamic information part, one thread uses the probing interval to read /proc file, the second thread displays the results with a display interval.) The Program should be written in C
• The percentage of time the processor(s) spending in user mode, system
mode, and idle.
• The percentage of available memory.
• The rate of process creations in the system.
• The rate of context switches in the kernel.
• The rate of disk read/write in the system.

Thanks,
 
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slapo-dyngroup

SLAPO-DYNGROUP(5)						File Formats Manual						 SLAPO-DYNGROUP(5)

NAME

       slapo-dyngroup - Dynamic Group overlay to slapd

SYNOPSIS

       /etc/openldap/slapd.conf

DESCRIPTION

       The  Dynamic  Group overlay allows clients to use LDAP Compare operations to test the membership of a dynamic group the same way they would
       check against a static group. Compare operations targeting a group's static member attribute will be intercepted  and  tested  against  the
       configured dynamic group's URL attribute.

       Note  that  this  intercept only happens if the actual Compare operation does not return a LDAP_COMPARE_TRUE result. So if a group has both
       static and dynamic members, the static member list will be checked first.

CONFIGURATION

       This slapd.conf option applies to the Dynamic Group overlay.  It should appear after the overlay directive.

       attrpair <memberAttr> <URLattr>
	      Specify the attributes to be compared. A compare operation on the memberAttr will cause the URLattr to be evaluated for the result.

EXAMPLES

	 database bdb
	 ...
	 overlay dyngroup
	 attrpair member memberURL

FILES

       /etc/openldap/slapd.conf
	      default slapd configuration file

SEE ALSO

       slapd.conf(5), slapd-config(5).

AUTHOR

       Howard Chu

OpenLDAP 2.4.21 						    2009/12/20							 SLAPO-DYNGROUP(5)