P is not equal to NP Post: 302445304

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LEARN ABOUT FREEBSD

pmcstudy

PMC_COUNTER_STUDY(1)					    BSD General Commands Manual 				      PMC_COUNTER_STUDY(1)

NAME

     pmc_counter_study -- Perform various study's on a systems overall PMC's.

SYNOPSIS

     pmc_counter_study

DESCRIPTION

     The pmc_counter_study The pmc_counter_study program is designed to run various tests against your systems performance. There are roughly
     20-22 canned tests that setup specific PMC's and then run various formulas on the output information.  These formulas can be found in Intel
     documentation "Using Intel Vtune amplifier xe on NNN Generation Intel Core Processors". The NNN is either 2nd, 3rd or 4th generation i.e.
     Sandy Bridge, Ivy Bridge and Haswell.  Currently the program only works on these three Intel processor types.  You can see the complete list
     of formula's by running the program with the -H option. If you know a formula name you can run it by typing -e name. If you know a name and
     want what the formula is you can run the program with -e name -h and the program will not run but it will tell you what that name will do (if
     known). The -T option can be used to test all PMC's that are known to your system. When running a test you will want to specify -m N where N
     is the number of 1 second samples to collect and analize (it bounds the time the test runs). Finally for those that have there own ideas on
     what formulas that you want to run you can type your own formula in with -E "formula". The formula can declare directly the PMC's by name or
     you can use an abbreviation %NNN. To find out the abbreviations on your system you may run pmc_counter_study -L and it will tell you each PMC
     name and the abbreviation you can use. An example of a formula of your own might be -E "FP_ASSIST.ANY / INST_RETIRED.ANY_P" <or short hand on
     Haswell> -E " %176 / %150". You must have spaces between each entry and you may use paraenthisis to prioritize the operators. Add (+), Sub-
     tract (-1), Divide (/) and Multiplication (*) is supported. You may also introduce constant numbers as well. So for example you can do a
     standard efficency test like -E "UOPS_RETIRED.RETIRE_SLOTS / (4 * CPU_CLK_UNHALTED.THREAD_P)".

BSD
								    Dec 2, 2014 							       BSD

10 More Discussions You Might Find Interesting

1. Solaris

Stop+A equal

Discussion started by: tlee

2. Shell Programming and Scripting

Regex NOT EQUAL help

Discussion started by: ArterialTool

3. Shell Programming and Scripting

equal to operator

Discussion started by: anijan

4. Shell Programming and Scripting

My Values are Equal but They are Not

Discussion started by: scottwmackey