To get only the cpu info from the topas command terminal Post: 302887890

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Operating Systems AIX To get only the cpu info from the topas command terminal Post 302887890 by bakunin on Tuesday 11th of February 2014 11:46:05 AM

02-11-2014

Registered User

Quote:

Originally Posted by rpm120

Can you please help me to match these two outputs?

No problem. Have a look at vmstats "CPU" part:

us=user(%)
sy=system(=kernel)(%)
id=idle(%)
wa=wait(%)

ec=entitled capacity consumed

"us" is what your running programs need
"sy" are system calls and kernel internals needed to keep the system running
"id"/"wa" is what is left over. Together these 4 values add up to 100% (rounding errors notwithstanding).

The difference between "id" and "wa" is: if the processor is idle and there is an I/O operation outstanding it counts towards "wa", otherwise it counts towards "id".

Entitled capacity consumed is: compare the entitled processing power in the LPAR profile against what in reality is allocated right now and express this as a percentage. "50", for instance, means that half of what the LPAR is entitled to use is in fact used right now.

I hope this helps.

bakunin

/ps: i suggest you try the "-w" and the "-t" options of vmstat: one makes for neater columns and the other includes a time stamp for each line which makes it easier to assess.

/pps: another suggestion: vmstat always displays a summary info as the first output line (not counting headers), so disregard this first line if you want to know something about the system right now.

Last edited by bakunin; 02-11-2014 at 12:51 PM..

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cpufreq-info

cpufreq-info(1) 														   cpufreq-info(1)

NAME

       cpufreq-info - Utility to retrieve cpufreq kernel information

SYNTAX

       cpufreq-info [options]

DESCRIPTION

       A small tool which prints out cpufreq information helpful to developers and interested users.

OPTIONS

       -c --cpu <CPU>
	       <CPU> number which information shall be determined about.

       -e --debug
	      Prints out debug information.

       -f --freq
	      Get frequency the CPU currently runs at, according to the cpufreq core.

       -w --hwfreq
	      Get frequency the CPU currently runs at, by reading it from hardware (only available to root).

       -l --hwlimits
	      Determine the minimum and maximum CPU frequency allowed.

       -d --driver
	      Determines the used cpufreq kernel driver.

       -p --policy
	      Gets the currently used cpufreq policy.

       -g --governors
	      Determines available cpufreq governors.

       -a --related-cpus
	      Determines which CPUs run at the same hardware frequency.

       -a --affected-cpus
	      Determines which CPUs need to have their frequency coordinated by software.

       -s --stats
	      Shows cpufreq statistics if available.

       -y --latency
	      Determines the maximum latency on CPU frequency changes.

       -o --proc
	      Prints out information like provided by the /proc/cpufreq interface in 2.4. and early 2.6. kernels.

       -m --human
	      human-readable output for the -f, -w, -s and -y parameters.

       -h --help
	      Prints out the help screen.

REMARKS

       You can't specify more than one of the output specific options -o -e -a -g -p -d -l -w -f -y.

       You also can't specify the -o option combined with the -c option.

FILES

       /sys/devices/system/cpu/cpu*/cpufreq/
       /proc/cpufreq (deprecated)
       /proc/sys/cpu/ (deprecated)

AUTHORS

       Dominik Brodowski <linux@brodo.de> - author
       Mattia Dongili<malattia@gmail.com> - first autolibtoolization

SEE ALSO

       cpufreq-set(1), cpufreq-aperf(1)

Mattia Dongili								0.1							   cpufreq-info(1)

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