From: Ingo Molnar <mingo@elte.hu>
To: Linus Torvalds <torvalds@osdl.org>
Cc: gcoady@gmail.com, Lee Revell <rlrevell@joe-job.com>,
Dave Jones <davej@redhat.com>, Hugh Dickins <hugh@veritas.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [patch] latency tracer, 2.6.15-rc7
Date: Mon, 2 Jan 2006 21:14:29 +0100 [thread overview]
Message-ID: <20060102201429.GB32464@elte.hu> (raw)
In-Reply-To: <Pine.LNX.4.64.0512300849590.3298@g5.osdl.org>
* Linus Torvalds <torvalds@osdl.org> wrote:
> > have you applied the zlib patches too? In particular this one should
> > make a difference:
> >
> > http://redhat.com/~mingo/latency-tracing-patches/patches/reduce-zlib-stack-hack.patch
> >
> > If you didnt have this applied, could you apply it and retry with
> > stack-footprint-debugging again?
>
> Ingo, instead of having a static work area and using locking, why not
> just move those fields into the "z_stream" structure, and thus make
> them be per-stream? The z_stream structure should already be allocated
> with kmalloc() or similar by the caller, so that also gets it off the
> stack without the locking thing.
>
> Hmm?
yeah, i'll implement that. The above one was just a quick hack that
somehow survived. (and i am definitely a wimp when it comes to changing
zlib internals :-)
Ingo
next prev parent reply other threads:[~2006-01-02 20:14 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-27 23:31 2.6.15-rc5: latency regression vs 2.6.14 in exit_mmap->free_pgtables Lee Revell
2005-12-28 2:46 ` Lee Revell
2005-12-28 22:59 ` Hugh Dickins
2005-12-29 0:00 ` Lee Revell
2005-12-29 8:22 ` [patch] latency tracer, 2.6.15-rc7 Ingo Molnar
2005-12-29 10:02 ` Dave Jones
2005-12-29 10:17 ` Ingo Molnar
2005-12-29 20:11 ` Lee Revell
2005-12-29 20:26 ` Lee Revell
2005-12-29 20:28 ` Ingo Molnar
2005-12-29 22:18 ` Lee Revell
2005-12-30 0:08 ` Grant Coady
2005-12-30 0:18 ` Lee Revell
2005-12-30 0:42 ` Grant Coady
2005-12-30 8:09 ` Ingo Molnar
2005-12-30 16:51 ` Linus Torvalds
2006-01-02 20:14 ` Ingo Molnar [this message]
2006-01-19 1:49 ` Lee Revell
2006-01-19 6:17 ` Lee Revell
2005-12-31 0:20 ` Grant Coady
2005-12-30 2:16 ` Lee Revell
2005-12-30 8:00 ` Ingo Molnar
2005-12-30 18:51 ` Lee Revell
2005-12-31 0:51 ` Lee Revell
2005-12-31 0:59 ` Mark Knecht
2005-12-31 1:16 ` Lee Revell
2005-12-31 1:30 ` Lee Revell
2005-12-31 1:02 ` Linus Torvalds
2005-12-31 1:15 ` Lee Revell
2005-12-31 1:39 ` Linus Torvalds
2005-12-31 3:54 ` Lee Revell
2005-12-31 4:00 ` Lee Revell
2005-12-31 4:29 ` Paul E. McKenney
2005-12-31 4:54 ` Lee Revell
2005-12-31 20:14 ` Paul E. McKenney
2006-01-01 5:46 ` Lee Revell
2006-01-01 18:56 ` Linus Torvalds
2006-01-01 19:02 ` Lee Revell
2006-01-01 19:06 ` Lee Revell
2006-01-03 11:12 ` Dipankar Sarma
2006-01-03 13:28 ` David Lang
2006-01-03 14:11 ` Dipankar Sarma
2006-01-03 14:09 ` Dipankar Sarma
2006-01-03 15:55 ` Paul E. McKenney
2005-12-31 4:48 ` Linus Torvalds
2006-01-01 8:32 ` Lee Revell
2006-01-06 20:28 ` Lee Revell
2005-12-29 0:54 ` 2.6.15-rc5: latency regression vs 2.6.14 in exit_mmap->free_pgtables Lee Revell
2006-01-19 1:42 ` Lee Revell
2006-01-19 7:29 ` Hugh Dickins
2006-01-19 7:32 ` Lee Revell
2006-01-19 7:35 ` Lee Revell
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