Re: Detecting execution bottlenecks

On Mon, 5 Feb 2007, James H H Lampert wrote:

One thing escapes me. Maybe I'm just getting old. But I'm
having trouble finding a way to get a timestamp in C
that's any finer than whole-second resolution.

gettimeofday() should get you what you need.  It uses a struct timeval:

struct timeval {
    time_t      tv_sec;     /* seconds */
    suseconds_t tv_usec;    /* microseconds */
};

and gives the number of seconds and microseconds since the Epoch.

James Rich

It's not the software that's free; it's you.
        - billyskank on Groklaw