How do I get CPU Clock Speed in C++ (Linux)?

c++ c linux cpu-speed
naspinski picture naspinski · Mar 10, 2010 · Viewed 9k times · Source

How can I get the CPU clock speed in C++?

I am running Ubuntu 9.10 if that makes any difference.

Answer

anon picture anon · Mar 10, 2010

Read the pseudo-file /proc/cpuinfo. See this link for an explanation of the fields it contains.

Related questions

Easily measure elapsed time

I am trying to use time() to measure various points of my program. What I don't understand is why the values in the before and after are the same? I understand this is not the best way to profile my …

Read More
print call stack in C or C++

Is there any way to dump the call stack in a running process in C or C++ every time a certain function is called? What I have in mind is something like this: void foo() { print_stack_trace(); // foo's body …

Read More
Difference between shared objects (.so), static libraries (.a), and DLL's (.so)?

I have been involved in some debate with respect to libraries in Linux, and would like to confirm some things. It is to my understanding (please correct me if I am wrong and I will edit my post later), that …

Read More