view multi-core or mlti-cpu utlization on linux

linux multicore
user678070 picture user678070 · May 5, 2011 · Viewed 67.5k times · Source

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?

Answer

Reto Aebersold picture Reto Aebersold · May 5, 2011

Run the 'top' command and press '1' to see the individual cores.

Related questions

How do I measure separate CPU core usage for a process?

Is there any way to measure a specific process CPU usage by cores? I know top is good for measuring the whole system's CPU usage by cores and taskset can provide information about which CPU core is allowed for the …

Read More
Get GNU Octave to work with a multicore processor. (Multithreading)

I want to be able to program multiple threads with gnu octave so it will utilize multiple processors. I installed GNU Octave on Fedora 17 Linux and did the following: yum install octave Which installed on my computer the latest version …

Read More
rdtsc accuracy across CPU cores

I am sending network packets from one thread and receiving replies on a 2nd thread that runs on a different CPU core. My process measures the time between send & receive of each packet (similar to ping). I am using …

Read More