From: Rudolf Sykora <rudolf.sykora@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] common number of interrups/sec
Date: Mon, 8 Mar 2010 17:38:11 +0100 [thread overview]
Message-ID: <a560a5d01003080838m10deee7arbac66e093a1a0e81@mail.gmail.com> (raw)
In-Reply-To: <e2fde92f0c955622a6013c4884870f73@coraid.com>
On 8 March 2010 17:21, erik quanstrom <quanstro@labs.coraid.com> wrote:
>> my system is doing practically nothing. All 'stats' graphs are low
>> with the exception of 'i'. I'm having like 1600 interrups per second
>> (so I see a number instead of just the graph). Is this normal? How can
>> I tell what those interrupts are?
>
> if you are running 9atom, /dev/irqalloc 3rd column is the number
> of interrupts for that interrupt entry. note that if two irq handlers
> are chained off the same vector, an interrupt for either will increment
> both of their total counts. this is just a hardware limitation.
>
> - erik
Ok. I tried to cat /dev/irqalloc and by far (2 orders of magnitude)
the highest number is
32 0 45425578 clock
What is the meaning?
Is this Ok?
Thanks
Ruda
next prev parent reply other threads:[~2010-03-08 16:38 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-08 16:04 Rudolf Sykora
2010-03-08 16:21 ` erik quanstrom
2010-03-08 16:38 ` Rudolf Sykora [this message]
2010-03-08 16:49 ` erik quanstrom
2010-03-08 16:51 ` Rudolf Sykora
2010-03-08 16:27 ` ron minnich
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=a560a5d01003080838m10deee7arbac66e093a1a0e81@mail.gmail.com \
--to=rudolf.sykora@gmail.com \
--cc=9fans@9fans.net \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).