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I have a program running on Linux and I need to determine how it is utilizing all the CPUs/cores. Is there any program for viewing this information?
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While top is running, press '1' on your keyboard, it will then show CPU usage per core. You can also press I to toggle Irix mode (as opposed to Solaris mode). When on , the percentage displayed in the process list is relative to a CPU thread.
Run the 'top' command and press '1' to see the individual cores.
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When runnging the top command, press f then j to display the P column (last CPU used by process), in addition to the 1 command in top, you should view some multi core occupation informations :)
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