Hi Avi,
On Mon, Mar 22, 2010 at 2:49 PM, Avi Kivity <[email protected]> wrote:
> Seems like perf is also split, with sysprof being developed outside the
> kernel. Will you bring sysprof into the kernel? Will every feature be
> duplicated in prof and sysprof?
I am glad you brought it up! Sysprof was historically outside of the
kernel (with it's own kernel module, actually). While the GUI was
nice, it was much harder to set up compared to oprofile so it wasn't
all that popular. Things improved slightly when Ingo merged the custom
kernel module but the _userspace_ part of sysprof was lagging behind a
bit. I don't know what's the situation now that they've switched over
to perf syscalls but you probably get my point.
It would be nice if the two projects merged but I honestly don't see
any fundamental problem with two (or more) co-existing projects.
Friendly competition will ultimately benefit the users (think KDE and
Gnome here).
Pekka
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