From: Stas Sergeev <stsp@aknet.ru>
To: linux-msdos@vger.kernel.org
Subject: Re: Clipper idle mode, usleep and alrm
Date: Sat, 15 May 2004 00:59:06 +0400 [thread overview]
Message-ID: <40A5331A.4060109@aknet.ru> (raw)
Hello.
Maximiliano Curia wrote:
> Doing an strace I see a lot of SIGALRM which, I presume, are waking it
> up all the time. Could it be?
Yes. For the apps that do the polling
in a tight loop, this doesn't hurt
however, as they'll fall asleep again
immediately.
Clipper calls the interrupts that sleep,
very infrequently, that's why SIGALRM
makes it difficult to release the CPU
in that case.
next reply other threads:[~2004-05-14 20:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-14 20:59 Stas Sergeev [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-05-14 19:30 Clipper idle mode, usleep and alrm Maximiliano Curia
2004-06-04 7:52 ` Miroslav Mickey Lazarevic
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