system and user time

[andreil]

How to capture system and user time in C++ (Linux)?
I am interested to obtain information how much processor time did it
take to execute my program
A

 

[Tejas Kokje]

You can use "time" command for your program UNIX/Linux

#time <your prog name>

This will give you the amount of time your program spent in user and
kernel mode in additon to wall clock time.

Other than this, you can use standard time system calls like
gettimeofday() at the start and end of your program and then find the
difference between two. This however will only give you wall clock time
and not kernel and user level timings.

Tejas Kokje