From: Nishanth Aravamudan <nacc@us.ibm.com>
To: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Nish Aravamudan <nish.aravamudan@gmail.com>,
Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org
Subject: Re: tty update speed regression (was: 2.6.14-rc2-mm1)
Date: Fri, 23 Sep 2005 14:32:41 -0700 [thread overview]
Message-ID: <20050923213241.GB3950@us.ibm.com> (raw)
In-Reply-To: <20050923194252.GA6460@mipter.zuzino.mipt.ru>
On 23.09.2005 [23:42:53 +0400], Alexey Dobriyan wrote:
> On Fri, Sep 23, 2005 at 12:07:49PM -0700, Nishanth Aravamudan wrote:
> > On 23.09.2005 [22:42:16 +0400], Alexey Dobriyan wrote:
> > > poll([{fd=0, events=POLLIN}], 1, 0) = 0
>
> > > I can send full strace log if needed.
> >
> > Nope, that helped tremendously! I think I know what the issue is (and
> > why it's HZ dependent).
> >
> > In the current code, (2.6.13.2, e.g) we allow 0 timeout poll-requests to
> > be resolved as 0 jiffy requests. But in my patch, those requests become
> > 1 jiffy (which of course depends on HZ and gets quite long if HZ=100)!
> >
> > Care to try the following patch?
>
> It works! Now, even with HZ=100, gameplay is smooth.
>
> Andrew, please, apply.
Great! Thanks for the testing, Alexey.
-Nish
next prev parent reply other threads:[~2005-09-23 21:32 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-22 5:28 2.6.14-rc2-mm1 Andrew Morton
2005-09-22 6:35 ` 2.6.14-rc2-mm1 Joel Becker
2005-09-22 6:46 ` 2.6.14-rc2-mm1 Reuben Farrelly
2005-09-22 7:03 ` 2.6.14-rc2-mm1 Andrew Morton
2005-09-22 18:59 ` 2.6.14-rc2-mm1 Martin J. Bligh
2005-09-22 19:52 ` 2.6.14-rc2-mm1 Andrew Morton
2005-09-22 20:14 ` 2.6.14-rc2-mm1 Martin J. Bligh
2005-09-23 0:28 ` 2.6.14-rc2-mm1 Martin J. Bligh
2005-09-22 22:28 ` 2.6.14-rc2-mm1 - ide problems ? Badari Pulavarty
2005-09-22 23:39 ` Andrew Morton
2005-09-22 19:50 ` tty update speed regression (was: 2.6.14-rc2-mm1) Alexey Dobriyan
2005-09-22 21:49 ` Alexey Dobriyan
2005-09-23 0:08 ` Nishanth Aravamudan
2005-09-23 17:12 ` Nish Aravamudan
2005-09-23 18:42 ` Alexey Dobriyan
2005-09-23 19:07 ` Nishanth Aravamudan
2005-09-23 19:42 ` Alexey Dobriyan
2005-09-23 21:32 ` Nishanth Aravamudan [this message]
2005-09-24 17:43 ` 2.6.14-rc2-mm1 Mattia Dongili
2005-09-24 17:58 ` 2.6.14-rc2-mm1 Mattia Dongili
2005-09-24 18:23 ` 2.6.14-rc2-mm1 Andrew Morton
2005-09-26 19:33 ` 2.6.14-rc2-mm1 Seth, Rohit
2005-09-27 18:57 ` 2.6.14-rc2-mm1 Martin J. Bligh
2005-09-27 20:05 ` 2.6.14-rc2-mm1 Rohit Seth
2005-09-27 21:18 ` 2.6.14-rc2-mm1 Martin J. Bligh
2005-09-27 21:51 ` 2.6.14-rc2-mm1 Rohit Seth
2005-09-27 21:59 ` 2.6.14-rc2-mm1 Martin J. Bligh
2005-09-27 22:49 ` 2.6.14-rc2-mm1 Rohit Seth
2005-09-27 22:49 ` 2.6.14-rc2-mm1 Martin J. Bligh
2005-09-27 23:16 ` 2.6.14-rc2-mm1 Rohit Seth
2005-09-27 7:13 ` 2.6.14-rc2-mm1 (Oops, possibly Netfilter related?) Reuben Farrelly
2005-09-27 7:44 ` Andrew Morton
2005-09-27 18:59 ` Martin J. Bligh
2005-10-02 17:13 ` Paul Jackson
2005-10-02 21:31 ` Martin J. Bligh
2005-10-03 17:20 ` Rohit Seth
2005-10-03 17:56 ` Martin J. Bligh
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20050923213241.GB3950@us.ibm.com \
--to=nacc@us.ibm.com \
--cc=adobriyan@gmail.com \
--cc=akpm@osdl.org \
--cc=linux-kernel@vger.kernel.org \
--cc=nish.aravamudan@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.