From: Sven-Thorsten Dietrich <thebigcorporation@gmail.com>
To: Peter LaDow <petela@gocougs.wsu.edu>
Cc: linux-rt-users@vger.kernel.org
Subject: Re: Interrupt Bottom Half Scheduling
Date: Mon, 14 Feb 2011 15:04:03 -0800 [thread overview]
Message-ID: <1297724643.10271.16.camel@quadrophenia> (raw)
In-Reply-To: <AANLkTimGobdGMgnc8bVJTvYtH4Tjn2ZVmroeFA2s06WD@mail.gmail.com>
On Mon, 2011-02-14 at 14:31 -0800, Peter LaDow wrote:
> How is the scheduling of the hrtimers softirq thread handled?
>
> When querying the RT priority of the hrtimer softirq, I get a priority
> of 50. But when running a priority 99 thread, we still seem to be
> getting interrupted. Shouldn't the hrtimer softirq be put off until
> the CPU is idle or a lower priority task is running?
Does your prio 99 thread perhaps encounter a prio inversion dependency
on one of the softriq threads?
>
> Thanks,
> Pete
> --
> To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2011-02-14 23:04 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-14 22:31 Interrupt Bottom Half Scheduling Peter LaDow
2011-02-14 23:04 ` Sven-Thorsten Dietrich [this message]
2011-02-14 23:08 ` Peter LaDow
2011-02-14 23:35 ` Sven-Thorsten Dietrich
2011-02-14 23:42 ` Peter LaDow
2011-02-15 0:50 ` Sven-Thorsten Dietrich
2011-02-14 23:30 ` Frank Rowand
2011-02-15 1:10 ` Peter LaDow
2011-02-15 1:58 ` Frank Rowand
2011-02-15 2:16 ` Frank Rowand
2011-02-15 16:42 ` Peter LaDow
2011-02-15 18:38 ` Frank Rowand
2011-02-15 18:40 ` Frank Rowand
2011-02-15 19:12 ` Peter LaDow
2011-02-15 19:35 ` Frank Rowand
2011-02-16 20:18 ` Peter LaDow
2011-02-15 8:40 ` Armin Steinhoff
2011-02-15 8:23 ` Uwe Kleine-König
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=1297724643.10271.16.camel@quadrophenia \
--to=thebigcorporation@gmail.com \
--cc=linux-rt-users@vger.kernel.org \
--cc=petela@gocougs.wsu.edu \
/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.