From: "Jon Smirl" <jonsmirl@gmail.com>
To: "Linus Torvalds" <torvalds@osdl.org>
Cc: "linux@horizon.com" <linux@horizon.com>, git@vger.kernel.org
Subject: Re: svn to git, N-squared?
Date: Mon, 12 Jun 2006 11:55:13 -0400 [thread overview]
Message-ID: <9e4733910606120855p1cec9acfy62dadb89c11756b4@mail.gmail.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0606120843340.5498@g5.osdl.org>
On 6/12/06, Linus Torvalds <torvalds@osdl.org> wrote:
>
>
> On Mon, 12 Jun 2006, Jon Smirl wrote:
> >
> > I've stablized like this. 1GB RAM with 2.8Ghz P4 hyperthread. Is there
> > anyway to tell what it is doing in the kernel for so much time?
>
> oprofile will tell you.
>
> I don't see why it would spend a lot of time in the kernel, unless it's
> the SVN part that does a ton of reads or something. git should have almost
> no kernel footprint apart from the individual objects creation/reading, so
> once it's repacked, I generally see very little system time.
>
> What does top say? (Ie can you see _which_ process spends time in the
> kernel?)
top - 11:54:32 up 4 days, 1:27, 5 users, load average: 1.85, 1.74, 1.55
Tasks: 135 total, 2 running, 133 sleeping, 0 stopped, 0 zombie
Cpu(s): 14.7% us, 35.3% sy, 0.0% ni, 49.3% id, 0.0% wa, 0.2% hi, 0.5% si, 0
Mem: 1035740k total, 1020836k used, 14904k free, 18368k buffers
Swap: 118222276k total, 645124k used, 117577152k free, 183172k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
14525 jonsmirl 16 0 604m 391m 1904 S 24 38.7 916:53.39 git-svnimport
20947 jonsmirl 17 0 0 0 0 R 1 0.0 0:00.03 git-svnimport
20864 jonsmirl 16 0 2120 1024 788 R 1 0.1 0:00.08 top
2436 root 15 0 71184 28m 6100 S 0 2.8 119:13.55 Xorg
1 root 16 0 1992 340 312 S 0 0.0 0:00.79 init
2 root RT 0 0 0 0 S 0 0.0 0:00.00 migration/0
3 root 34 19 0 0 0 S 0 0.0 0:01.42 ksoftirqd/0
4 root RT 0 0 0 0 S 0 0.0 0:00.00 watchdog/0
--
Jon Smirl
jonsmirl@gmail.com
next prev parent reply other threads:[~2006-06-12 15:55 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-12 4:39 svn to git, N-squared? linux
2006-06-12 15:32 ` Jon Smirl
2006-06-12 15:45 ` Linus Torvalds
2006-06-12 15:55 ` Jon Smirl [this message]
2006-06-12 16:12 ` Linus Torvalds
2006-06-12 16:22 ` Jon Smirl
2006-06-12 16:32 ` Jon Smirl
2006-06-12 16:57 ` Linus Torvalds
2006-06-12 16:41 ` Linus Torvalds
2006-06-12 16:44 ` Jon Smirl
2006-06-12 17:08 ` Linus Torvalds
2006-06-12 18:06 ` Jon Smirl
2006-06-12 19:00 ` Jon Smirl
2006-06-12 16:16 ` Jon Smirl
-- strict thread matches above, loose matches on Subject: below --
2006-06-12 2:02 Jon Smirl
2006-06-12 3:31 ` Linus Torvalds
2006-06-12 3:39 ` Jon Smirl
2006-06-12 4:02 ` Linus Torvalds
2006-06-12 19:04 ` Yakov Lerner
2006-06-12 19:17 ` Linus Torvalds
2006-06-12 16:18 ` Randal L. Schwartz
2006-06-12 16:25 ` Randal L. Schwartz
2006-06-12 4:29 ` Eric Wong
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=9e4733910606120855p1cec9acfy62dadb89c11756b4@mail.gmail.com \
--to=jonsmirl@gmail.com \
--cc=git@vger.kernel.org \
--cc=linux@horizon.com \
--cc=torvalds@osdl.org \
/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).