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Top Forums UNIX for Advanced & Expert Users mind shattering good questions Post 88485 by shukla_chanchal on Friday 4th of November 2005 06:29:19 PM
Old 11-04-2005
Question mind shattering good questions

i want to make a C program that should wb able to do the following tasks.

one thing that i want to say is that we dont have to use ps and top all these commands

by C programmign only ..........

i am doing this by proc file system using CAT command in various files but .......its not correct

can anyone tell me how to see the parameters of task_struct Smilie

1. Should be able to show the status of all the processes
2. Should be able to show the new processes coming in
3. Should be able to keep a log of the processes expired(The log should contain the starting time, expiry time, time slices used, total execution time, effective CPU usage time, time wasted for IO etc.)
4. Should be able to show the CPU usage time, Transition time, Wait time in the queue, No of total time slices used to run etc.
5. If possible should be able to show the memory usage of each process(both Physical and Virtual)
6. If possible should be able to keep log of all this information. Also keep track of the swapping of the processes.
7. Should be able to automatically analyse the information stored and show a graph of the usage times etc. And should suggest the best possible time slice for that environment.
8. Should be able to show the resources used by each process. And should keep a log of resource allocation for a process.
9. Should be able to show the percentage of Usage of CPU during a time slice by the process and a log should be maintained for this.
10. Should be able to show the priorities of different processes and show how preemtion takes place. Also show the number of timeslices alloted for processes of different priorities.
11. Should be able to show the processes waiting in the queue etc.
 

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SNMPCONF(1)							     Net-SNMP							       SNMPCONF(1)

NAME
snmpconf - creates and modifies SNMP configuration files SYNOPSIS
snmpconf [OPTIONS] [fileToCreate] Start with: snmpconf -g basic_setup Or even just: snmpconf DESCRIPTION
snmpconf is a simple Perl script that walks you through setting up a configuration file step by step. It should be fairly straight forward to use. Merely run it and answer its questions. In its default mode of operation, it prompts the user with menus showing sections of the various configuration files it knows about. When the user selects a section, a sub-menu is shown listing of the descriptions of the tokens that can be created in that section. When a description is selected, the user is prompted with questions that construct the configuration line in question. Finally, when the user quits the program any configuration files that have been edited by the user are saved to the local directory, fully commented. A particularly useful option is the -g switch, which walks a user through a specific set of configuration questions. Run: snmpconf -g basic_setup for an example. OPTIONS
-f Force overwriting existing files in the current directory without prompting the user if this is a desired thing to do. -i When finished, install the files into the location where the global system commands expect to find them. -p When finished, install the files into the users home directory's .snmp subdirectory (where the applications will also search for configuration files). -I DIRECTORY When finished, install the files into the directory DIRECTORY. -a Don't ask any questions. Simply read in the various known configuration files and write them back out again. This has the effect of "auto-commenting" the configuration files for you. See the NEAT TRICKS section below. -rall|none Read in either all or none of the found configuration files. Normally snmpconf prompts you for which files you wish to read in. Reading in these configuration files will merge these files with the results of the questions that it asks of you. -R FILE,... Read in a specific list of configuration files. -g GROUPNAME Groups of configuration entries can be created that can be used to walk a user through a series of questions to create an initial configuration file. There are no menus to navigate, just a list of questions. Run: snmpconf -g basic_setup for a good example. -G List all the known groups. -c CONFIGDIR snmpconf uses a directory of configuration information to learn about the files and questions that it should be asking. This option tells snmpconf to use a different location for configuring itself. -q Run slightly more quietly. Since this is an interactive program, I don't recommend this option since it only removes information from the output that is designed to help you. -d Turn on lots of debugging output. -D Add even more debugging output in the form of Perl variable dumps. NEAT TRICKS
snmpconf -g basic_setup Have I mentioned this command enough yet? It's designed to walk someone through an initial setup for the snmpd(8) daemon. Really, you should try it. snmpconf -R /usr/local/snmp/snmpd.conf -a -f snmpd.conf Automatically reads in an snmpd.conf file (for example) and adds comments to them describing what each token does. Try it. It's cool. NOTES
snmpconf is actually a very generic utility that could be easily configured to help construct just about any kind of configuration file. Its default configuration set of files are SNMP based. SEE ALSO
snmpd(8), snmp_config(5), snmp.conf(5), snmpd.conf(5) 4th Berkeley Distribution 08 Feb 2002 SNMPCONF(1)
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