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SubjectRe: [PATCH] x86: add the debugfs interface for the sysprof tool

* Anton Blanchard <anton@samba.org> wrote:

> This surprises me. Can you please elaborate on why oprofile is "much
> less useful" than sysprof?

see the thread you are replying to.

> Anton - who has used oprofile to analyse and tune databases, JVMs,
> compilers and operating systems. Maybe I've been missing out on
> the killer app for all this time!!!

it's OK if you use it full time and if you are amongst the 0.001% of the
developer population we call "the best kernel hackers on the planet" ;-)

It sucks badly if you use it occasionally and have to re-learn its
non-trivial usage and its quirks every time. As it happens, most
userspace developers are in this second category.

(and i'm not worried about the first category at all - if needed they
can write their own OS from scratch ;-)

Ingo


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