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Full Discussion: sar
Special Forums Hardware Filesystems, Disks and Memory sar Post 31635 by RTM on Monday 11th of November 2002 09:42:19 AM
Old 11-11-2002
Then it is working correctly if it's adding up to 100%. It is reporting on all 12 cpus. It isn't going to report each by itself (just as it doesn't tell you memory board one was used 90% but memory board 2 was used only 50%). And yes, it can specify disks because you can do something with them.

If you have a cpu problem, you add cpus (or move something off or run at different time).
Same with memory.

With disk you can move data around to get better performance - no need to buy new every time.

Sar should report on all cpu's since you want to know how the system as a whole is spending it's time.
 

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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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