From: Clemens Ladisch <clemens@ladisch.de>
To: "Eibach, Dirk" <Eibach@gdsys.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: msleep() an load average
Date: Wed, 04 May 2011 15:47:17 +0200 [thread overview]
Message-ID: <4DC158E5.50908@ladisch.de> (raw)
In-Reply-To: <48D3D52125C49B43AE880038E2E5314BB5BE9D@SRV101.gdsys.de>
Eibach, Dirk wrote:
> while(1) msleep_interruptible(1000);
>
> Is this code really any better?
You should handle signals, probably by blocking any that you're not
interested in, and exiting on any fatal one.
Anyway, polling is bad; this code forces the CPU to wake up once
per second. What is your thread _actually_ waiting for?
(I guess it has more code than what you wrote?)
Regards,
Clemens
next prev parent reply other threads:[~2011-05-04 13:45 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-04 12:11 msleep() an load average Eibach, Dirk
2011-05-04 13:37 ` Jiri Slaby
2011-05-04 13:54 ` Eibach, Dirk
2011-05-04 14:30 ` Clemens Ladisch
2011-05-04 14:47 ` Eibach, Dirk
2011-05-04 13:47 ` Clemens Ladisch [this message]
2011-05-04 14:04 ` Eibach, Dirk
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