From: "David Schwartz" <davids@webmaster.com>
To: "LKML" <linux-kernel@vger.kernel.org>
Subject: RE: NPTL
Date: Thu, 12 Jul 2007 05:58:20 -0700 [thread overview]
Message-ID: <MDEHLPKNGKAHNMBLJOLKEEOEFDAC.davids@webmaster.com> (raw)
In-Reply-To: <a9e22dff0707120537l1a29de93vdd67f146cf36a120@mail.gmail.com>
> So I can say that in linux 'thread' == 'process'?
No. A process can have any number of threads.
> Is kernel routine 'kthread' creating a process?
No, since a process can have more than one thread.
> I'm just thinking on this subject: if to create 'real threads' - will
> it increase performance? Should I ever think in this way?
> When I say 'real thread' - I mean the thread that doen't switch
> context when it's starting to run.
I don't follow.
The kernel sometimes calls a KSE a 'process'. This is largely a legacy from
when there was a one-to-one correspondence between KSEs and processes.
However, this is no longer the case. In Linux, 'KSE' == 'thread'.
DS
prev parent reply other threads:[~2007-07-12 12:59 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <a9e22dff0707120518q16aeae73p2905226abbadd03d@mail.gmail.com>
2007-07-12 12:18 ` NPTL Ni@m
2007-07-12 12:27 ` NPTL David Schwartz
2007-07-12 12:37 ` NPTL Ni@m
2007-07-12 12:41 ` NPTL Peter Zijlstra
[not found] ` <a9e22dff0707120557t574f9383g5363c26074ea6d6a@mail.gmail.com>
2007-07-12 12:58 ` Fwd: NPTL Ni@m
2007-07-12 13:16 ` Bernd Petrovitsch
2007-07-12 16:48 ` Lennart Sorensen
2007-07-12 12:52 ` NPTL jimmy bahuleyan
2007-07-12 12:58 ` David Schwartz [this message]
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=MDEHLPKNGKAHNMBLJOLKEEOEFDAC.davids@webmaster.com \
--to=davids@webmaster.com \
--cc=linux-kernel@vger.kernel.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
all inboxes | Powered by JetHome®