lkml.org 
[lkml]   [2006]   [Jul]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRE: Very long startup time for a new thread
Date
Nope, no NPTL. Actually this system uses the pthread implementation in
uC-libc.

-----Original Message-----
From: Arjan van de Ven [mailto:arjan@infradead.org]
Sent: Thursday, July 13, 2006 9:15 AM
To: Mikael Starvik
Cc: 'Linux Kernel Mailing List'
Subject: Re: Very long startup time for a new thread


On Thu, 2006-07-13 at 08:07 +0200, Mikael Starvik wrote:
> (This is on a 200 MIPS embedded architecture).
>
> On a heavily loaded system (loadavg ~4) I create a new pthread. In this
> situation it takes ~4 seconds (!) before the thread is first scheduled in
> (yes, I have debug outputs in the scheduler to check that). In a 2.4 based
> system I don't see the same thing. I don't have any RT or FIFO tasks. Any
> ideas why it takes so long time and what I can do about it?

I assume you're using a new enough glibc that supports NPTL ?

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-07-13 09:53    [W:0.026 / U:0.784 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site