From: Richard Miller <9fans@hamnavoe.com>
To: 9fans@9fans.net
Subject: Re: [9fans] usb slowness
Date: Mon, 5 Mar 2012 16:20:28 +0000 [thread overview]
Message-ID: <db9b318b540413c45df122190d635cd1@hamnavoe.com> (raw)
In-Reply-To: <fe8ef0a75d1607cc6a5dec35fefe67db@chula.quanstro.net>
> a hisogram sure could be useful, but i think i'd want to taylor it to
> a specific problem. and i haven't had one yet.
The problem in hand is to check the hypothesis that usb disk slowness
is due to "nearly all the time" being spent in interrupt handling.
A quick glance at intrtimes should suffice for that.
next prev parent reply other threads:[~2012-03-05 16:20 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-04 1:56 Tristan
2012-03-05 15:46 ` erik quanstrom
2012-03-05 16:05 ` Richard Miller
2012-03-05 16:14 ` erik quanstrom
2012-03-05 16:20 ` Richard Miller [this message]
2012-03-06 13:19 ` Tristan
2012-03-06 15:36 ` Tristan
2012-03-06 16:10 ` Richard Miller
2012-03-06 18:55 ` erik quanstrom
2012-03-06 22:22 ` Tristan
2012-03-07 5:50 ` Tristan
2012-03-07 5:53 ` Tristan
2012-03-07 9:31 ` Charles Forsyth
2012-03-10 3:13 ` [9fans] donehead changed before ack Tristan
2012-03-10 12:33 ` erik quanstrom
2012-03-10 15:14 ` Tristan
2012-03-07 15:27 ` [9fans] usb slowness Richard Miller
2012-03-05 15:56 ` Richard Miller
2012-03-06 0:01 ` Tristan
2012-03-06 10:39 ` Richard Miller
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=db9b318b540413c45df122190d635cd1@hamnavoe.com \
--to=9fans@hamnavoe.com \
--cc=9fans@9fans.net \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).