All of lore.kernel.org
 help / color / mirror / Atom feed
From: Avishay Traeger <atraeger@cs.sunysb.edu>
To: ananth@in.ibm.com
Cc: prasanna@in.ibm.com, anil.s.keshavamurthy@intel.com,
	davem@davemloft.net, linux-kernel@vger.kernel.org
Subject: Re: KPROBES: Instrumenting a function's call site
Date: Wed, 26 Sep 2007 12:09:35 -0400	[thread overview]
Message-ID: <1190822975.3940.17.camel@localhost> (raw)
In-Reply-To: <20070926090357.GA7651@in.ibm.com>

On Wed, 2007-09-26 at 14:33 +0530, Ananth N Mavinakayanahalli wrote:
> What happens when the "call" is singlestepped is that the instruction
> pointer is moved to the call target. That explains the lower latency you
> are seeing. You'll need to do something along the lines I suggested in
> the earlier mail.

Can you please explain what you mean by this more clearly?  I'm not a
kprobes expert yet.  Specifically, using kprobes the way that I did,
what will the resulting code look like?  Also, what do you mean by
"singlestepped"?

Thanks,
Avishay


  reply	other threads:[~2007-09-26 16:13 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-09-25 22:12 KPROBES: Instrumenting a function's call site Avishay Traeger
2007-09-26  4:39 ` Ananth N Mavinakayanahalli
2007-09-26  9:03   ` Ananth N Mavinakayanahalli
2007-09-26 16:09     ` Avishay Traeger [this message]
2007-09-26 17:27       ` Ananth N Mavinakayanahalli
2007-09-26 17:35         ` Avishay Traeger
2007-09-26 16:52   ` Abhishek Sagar
2007-09-26 17:28   ` Keshavamurthy, Anil S
2007-09-26 17:37     ` Avishay Traeger
2007-11-08 19:42   ` Avishay Traeger
2007-11-12 10:27     ` Ananth N Mavinakayanahalli
2007-09-26 16:37 ` Abhishek Sagar

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=1190822975.3940.17.camel@localhost \
    --to=atraeger@cs.sunysb.edu \
    --cc=ananth@in.ibm.com \
    --cc=anil.s.keshavamurthy@intel.com \
    --cc=davem@davemloft.net \
    --cc=linux-kernel@vger.kernel.org \
    --cc=prasanna@in.ibm.com \
    /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.