From: Boris Fersing <mastermac@free.fr>
To: Robert Hancock <hancockr@shaw.ca>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: HyperThreading, kernel 2.6.10, 1 logical CPU idle !!
Date: Sat, 30 Apr 2005 23:37:12 +0200 [thread overview]
Message-ID: <4273FA88.1060405@free.fr> (raw)
In-Reply-To: <4273E2BB.9010509@shaw.ca>
Robert Hancock a écrit :
> Boris Fersing wrote:
>
>> Hi there,
>> I've a p4 HT 3,06Ghz, I've HT enabled in the BIOS and in the kernel :
>>
>> Linux electron 2.6.10-cj5 #6 SMP Fri Mar 4 02:18:08 CET 2005 i686 Mobile
>> Intel(R) Pentium(R) 4 CPU 3.06GHz GenuineIntel GNU/Linux .
>>
>> But it seems that one of my cpus is idle (gkrellm monitor or top) :
>>
>> Cpu0 : 88.0% us, 12.0% sy, 0.0% ni, 0.0% id, 0.0% wa, 0.0% hi,
>> 0.0% si
>> Cpu1 : 0.0% us, 0.3% sy, 0.0% ni, 99.7% id, 0.0% wa, 0.0% hi,
>> 0.0% si
>>
>>
>> I'm actually compiling thunderbird with MAKEOPTS="-j3", so , the second
>> should be used, shouldn't it ?
>
>
> Are you sure that it is actually compiling multiple files at once?
>
Yes I'm sure, Even if I launch more than 1 gcc, or for example, start a
compilation + video encoding (mencoder) + ... the second CPU won't work
(idle 100% or sometimes 99,9%).
Regards,
Boris.
next prev parent reply other threads:[~2005-04-30 21:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <3Z3u8-28Z-9@gated-at.bofh.it>
2005-04-30 19:55 ` HyperThreading, kernel 2.6.10, 1 logical CPU idle !! Robert Hancock
2005-04-30 21:37 ` Boris Fersing [this message]
2005-05-01 13:42 ` Boris Fersing
2005-05-01 14:24 ` Coywolf Qi Hunt
2005-04-30 16:47 Boris Fersing
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=4273FA88.1060405@free.fr \
--to=mastermac@free.fr \
--cc=hancockr@shaw.ca \
--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 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.