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Performance Monitoring - RHEL 7.4
Post 303021902 by Overcast451 on Monday 20th of August 2018 09:41:00 AM
08-20-2018
Performance Monitoring - RHEL 7.4
Have a question about doing some performance monitoring - how to approach it.
This is on RHEL 7.4
We are moving a rather large application to new hardware in the future. I would like to find a way to compared performance on the new hardware at different stages and at different times.
I'm familiar with the basic tools, such as top - and I've found an app called 'stress' that can be used to put various loads on the system.
But I am wanting to make a comparison on how the performance varies or does not vary after things like: Firmware upgrades, App installs, etc.
Any suggestions on a method/process or tool maybe that can assist with this? I can cap out the loads with 'stress' but I'm not sure what that will tell me. My first thought was to run the app with a certain set of parameters and then compare future runs using the same set of parameters. I would need or like it to be able to log results at set intervals via cron or something similar.
But looking for suggestions
Thanks!
This is on RHEL 7.4
We are moving a rather large application to new hardware in the future. I would like to find a way to compared performance on the new hardware at different stages and at different times.
I'm familiar with the basic tools, such as top - and I've found an app called 'stress' that can be used to put various loads on the system.
But I am wanting to make a comparison on how the performance varies or does not vary after things like: Firmware upgrades, App installs, etc.
Any suggestions on a method/process or tool maybe that can assist with this? I can cap out the loads with 'stress' but I'm not sure what that will tell me. My first thought was to run the app with a certain set of parameters and then compare future runs using the same set of parameters. I would need or like it to be able to log results at set intervals via cron or something similar.
But looking for suggestions
Thanks!
Last edited by Overcast451; 08-20-2018 at 10:42 AM.. Reason: Updating Subject with more detail
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LEARN ABOUT NETBSD
pmc
PMC(1) BSD General Commands Manual PMC(1) NAME
pmc -- performance-monitoring counter interface for command execution SYNOPSIS
pmc -h pmc -C pmc -c event command [options ...] DESCRIPTION
pmc is a means of using a processor's performance-monitoring counter (PMC) facility to measure various aspects of a program's execution. It is meant to be used in a fashion similar to time(1). The arguments are as follows: -h Display a list of performance counter events available on the system. -C Cancel any performance counters that are currently running. -c event Count the event specified by event while running the command. DIAGNOSTICS
PMC support is not compiled into the kernel Performance-monitoring counter support has not been compiled into the kernel. It may be included using the PERFCTRS option. See options(4) for details. PMC counters are not supported by CPU Performance-monitoring counters are not available for the CPU. SEE ALSO
time(1), options(4) HISTORY
The pmc command first appeared in NetBSD 1.6. AUTHORS
The pmc command was written by Frank van der Linden <fvdl@wasabisystems.com>. The kernel support for reading performance counters on the i386 architecture was written by Jason R. Thorpe <thorpej@zembu.com>. BUGS
The pmc command currently only supports performance-monitoring counters on the i386 architecture. BSD
October 24, 2000 BSD