[Ltrace-devel] ltrace overhead

[Petr Machata]

yogender nerella <ynerella at gmail.com> writes:

> I have googled a lot and dont really find any great c++ profiling tools (
> free), do you recommend any?

Check out perf and oprofile.

> ltrace suggests most of our application is spent on "memcmp", but by
> looking at our code, we don't see that as a possibility.

I imagine that if there are many short memcmp calls, the overhead would
accumulate to make the function appear dominant.

Thanks,
Petr