From: Anton Blanchard <anton@samba.org>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Steven Rostedt <rostedt@goodmis.org>,
Paul Mackerras <paulus@samba.org>,
linux-kernel@vger.kernel.org
Subject: Re: TRACE_EVENT() declarations belong to include/trace/
Date: Tue, 13 Apr 2010 09:24:56 +1000 [thread overview]
Message-ID: <20100412232456.GI11751@kryten> (raw)
In-Reply-To: <20100412220451.GG8285@nowhere>
Hi Frederic,
> If this is to trace all irqs, then it seems to me the wrong way.
> We already have generic irq_handler_entry and irq_handler_exit trace events.
>
> May be those in powerpc are here to get the spurious irqs by computing
> a diff between generic and arch irq events? In which case
> it would be better to get dedicated spurious irq tracepoints.
The number of spurious irqs are not interesting - we track them in
/proc/interrupts. The duration of the disturbances are, and they were big
enough for people to see them in certain HPC loops.
Anton
prev parent reply other threads:[~2010-04-12 23:25 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-12 21:45 TRACE_EVENT() declarations belong to include/trace/ Mathieu Desnoyers
2010-04-12 22:01 ` Steven Rostedt
2010-04-12 22:04 ` Frederic Weisbecker
2010-04-12 22:17 ` Mathieu Desnoyers
2010-04-12 23:17 ` Anton Blanchard
2010-04-13 0:27 ` Mathieu Desnoyers
2010-04-12 23:24 ` Anton Blanchard [this message]
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=20100412232456.GI11751@kryten \
--to=anton@samba.org \
--cc=fweisbec@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mathieu.desnoyers@efficios.com \
--cc=paulus@samba.org \
--cc=rostedt@goodmis.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.