From: Richard Henderson <rth@twiddle.net>
To: "Emilio G. Cota" <cota@braap.org>, Stefan Weil <sw@weilnetz.de>
Cc: qemu-trivial@nongnu.org,
"Laurent Desnogues" <laurent.desnogues@gmail.com>,
"Alex Bennée" <alex.bennee@linaro.org>,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v2] tcg: optimise memory layout of TCGTemp
Date: Fri, 03 Apr 2015 07:17:53 -0700 [thread overview]
Message-ID: <551EA111.5040808@twiddle.net> (raw)
In-Reply-To: <1428019673-920-1-git-send-email-cota@braap.org>
On 04/02/2015 05:07 PM, Emilio G. Cota wrote:
> After:
> $ taskset -c 0 perf stat -r 15 -- x86_64-linux-user/qemu-x86_64 img/bntest-x86_64 >/dev/null
> Performance counter stats for 'x86_64-linux-user/qemu-x86_64 img/bntest-x86_64' (15 runs):
>
> 10459.968847 task-clock (msec) # 0.999 CPUs utilized ( +- 0.30% )
> 739 context-switches # 0.071 K/sec ( +- 1.71% )
> 0 cpu-migrations # 0.000 K/sec ( +- 68.14% )
> 2,204 page-faults # 0.211 K/sec ( +- 0.10% )
> 10.473900411 seconds time elapsed ( +- 0.30% )
>
> Suggested-by: Stefan Weil <sw@weilnetz.de>
> Suggested-by: Richard Henderson <rth@twiddle.net>
> Signed-off-by: Emilio G. Cota <cota@braap.org>
> ---
> tcg/tcg.h | 26 ++++++++++++++------------
> 1 file changed, 14 insertions(+), 12 deletions(-)
Reviewed-by: Richard Henderson <rth@twiddle.net>
I'll put this in a queue for 2.4.
r~
next prev parent reply other threads:[~2015-04-03 14:18 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-29 21:52 [Qemu-devel] [PATCH] tcg: optimise memory layout of TCGTemp Richard Henderson
2015-03-30 5:33 ` Stefan Weil
2015-03-30 5:43 ` Stefan Weil
2015-04-03 0:07 ` [Qemu-devel] [PATCH v2] " Emilio G. Cota
2015-04-03 8:13 ` Stefan Weil
2015-04-03 14:17 ` Richard Henderson [this message]
2015-04-07 14:59 ` Alex Bennée
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