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
next prev parent 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
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