Re: Announce: Sysprof 1.0 -- a sampling, systemwide Linux profiler

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



bert hubert <[email protected]> writes:

> How is this different from oprofile? 
> 
> Looks like you did an exact, but less capable, reimplementation.

The kernel module is indeed less capable by itself, but the userspace
tools are a lot easier to use and show you significantly more
details. Oprofile may have improved since then, but when I started
sysprof:

- oprofile didn't work on anything but smp kernels

- oprofile could not produce callgraph information without not only
  recompiling my kernel, but also patching the kernel

- oprofile had a user interface that I simply didn't understand. As I
  remember it, I had to know about performance counters and how to
  translate those into binary masks

Contrast with sysprof, where you

        - insert the module
        - hit the start button
        - do the thing you want to profile
        - hit the profile button

and you get data presented in a way that is just a whole lot more
useful than the flat text files generated by oprofile.



Søren
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]
  Powered by Linux