Re: [RFC PATCH 1/2] Marker probes in futex.c

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From: Peter Zijlstra
Date: Tuesday, April 15, 2008 - 5:02 am

On Tue, 2008-04-15 at 17:23 +0530, K. Prasad wrote:


This is some seriuosly ugly looking gunk, why would we want stuff like
that scattered across the code?

What is wrong with a few simple hooks like:

  trace_futex_wait(uaddr, fshares, val, abs_time, bitset);

and then deal with that.

Also, you seem to expose way too much futex internals; do you really
need that? People will go use this marker crap like ABI and further
restrain us from changing the code.

/me unhappy.



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Messages in current thread:
[RFC PATCH 1/2] Marker probes in futex.c, K. Prasad, (Tue Apr 15, 4:53 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Peter Zijlstra, (Tue Apr 15, 5:02 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Mathieu Desnoyers, (Tue Apr 15, 5:32 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Alexey Dobriyan, (Tue Apr 15, 5:50 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Peter Zijlstra, (Tue Apr 15, 5:56 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Ingo Molnar, (Tue Apr 15, 6:17 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Mathieu Desnoyers, (Tue Apr 15, 6:25 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Mathieu Desnoyers, (Tue Apr 15, 6:47 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Ingo Molnar, (Tue Apr 15, 7:04 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Frank Ch. Eigler, (Tue Apr 15, 7:21 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Mathieu Desnoyers, (Tue Apr 15, 7:39 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, K. Prasad, (Tue Apr 15, 8:52 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, K. Prasad, (Tue Apr 15, 9:13 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Ingo Molnar, (Tue Apr 15, 9:48 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Mathieu Desnoyers, (Tue Apr 15, 2:38 pm)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Ingo Molnar, (Wed Apr 16, 6:17 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Arjan van de Ven, (Wed Apr 16, 6:46 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Mathieu Desnoyers, (Wed Apr 16, 7:00 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Arjan van de Ven, (Wed Apr 16, 7:24 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Ingo Molnar, (Wed Apr 16, 7:29 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Mathieu Desnoyers, (Wed Apr 16, 7:48 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Arjan van de Ven, (Wed Apr 16, 8:32 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Mathieu Desnoyers, (Wed Apr 16, 8:39 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Peter Zijlstra, (Wed Apr 16, 8:51 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Peter Zijlstra, (Wed Apr 16, 8:51 am)
text_poke, vmap and vmalloc on x86_64, Mathieu Desnoyers, (Wed Apr 16, 1:10 pm)
Re: text_poke, vmap and vmalloc on x86_64, Mathieu Desnoyers, (Wed Apr 16, 2:22 pm)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Frank Ch. Eigler, (Thu Apr 17, 12:19 pm)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Mathieu Desnoyers, (Thu Apr 17, 1:16 pm)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Frank Ch. Eigler, (Thu Apr 17, 3:02 pm)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Peter Zijlstra, (Thu Apr 17, 11:46 pm)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Peter Zijlstra, (Thu Apr 17, 11:56 pm)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Andrew Morton, (Fri Apr 18, 3:44 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Frank Ch. Eigler, (Fri Apr 18, 7:29 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, K. Prasad, (Sat Apr 19, 5:13 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, K. Prasad, (Sat Apr 19, 5:28 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Mathieu Desnoyers, (Sat Apr 19, 7:13 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Peter Zijlstra, (Sat Apr 19, 7:52 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Peter Zijlstra, (Sat Apr 19, 7:56 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Frank Ch. Eigler, (Sat Apr 19, 11:03 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Peter Zijlstra, (Sat Apr 19, 11:29 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Frank Ch. Eigler, (Sat Apr 19, 11:48 am)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Mathieu Desnoyers, (Sat Apr 19, 2:33 pm)
Re: [RFC PATCH 1/2] Marker probes in futex.c, Nicholas Miell, (Tue Apr 22, 10:50 am)