From owner-freebsd-questions  Fri Oct  3 12:20:24 1997
Return-Path: <owner-freebsd-questions>
Received: (from root@localhost)
          by hub.freebsd.org (8.8.7/8.8.7) id MAA06981
          for questions-outgoing; Fri, 3 Oct 1997 12:20:24 -0700 (PDT)
Received: from primer.i-connect.net (primer.i-Connect.Net [206.190.143.13])
          by hub.freebsd.org (8.8.7/8.8.7) with SMTP id MAA06955
          for <questions@freebsd.org>; Fri, 3 Oct 1997 12:20:17 -0700 (PDT)
Received: (qmail 4499 invoked by uid 1008); 3 Oct 1997 19:24:38 -0000
Mailing-List: contact freebsd-dlm-help@primer.i-connect.net; run by ezmlm
Delivered-To: mailing list freebsd-dlm@primer.i-connect.net
Received: (qmail 4488 invoked from network); 3 Oct 1997 19:24:37 -0000
Received: from sendero-ppp.i-connect.net (206.190.143.100)
  by primer.i-connect.net with SMTP; 3 Oct 1997 19:24:37 -0000
Received: (qmail 958 invoked by uid 1000); 3 Oct 1997 19:20:11 -0000
Message-ID: <XFMail.971003122011.Shimon@i-Connect.Net>
X-Mailer: XFMail 1.2-alpha-092597 [p0] on FreeBSD
X-Priority: 3 (Normal)
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 8bit
MIME-Version: 1.0
In-Reply-To: <199710030724.AAA04419@lestat.nas.nasa.gov>
Date: Fri, 03 Oct 1997 12:20:11 -0700 (PDT)
Organization: Atlas Telecom
From: Simon Shapiro <Shimon@i-Connect.Net>
To: Jason Thorpe <thorpej@nas.nasa.gov>
Subject: Re: Advice Seeked - Non-Invasive Metrics Techniques
Cc: freebsd-dlm@primer.i-connect.net, freebsd-hackers@freebsd.org
Sender: owner-freebsd-questions@freebsd.org
X-Loop: FreeBSD.org
Precedence: bulk


Hi Jason Thorpe;  On 03-Oct-97 you wrote: 
>  On Fri, 03 Oct 1997 00:00:22 -0700 (PDT) 
>   Simon Shapiro <Shimon@i-Connect.Net> wrote:
>  
>   > I need to carefully tune and analyze timing and perfromance
>  statistics.
>   > Mainly to identify why some rotines in the DLM take so much time.
>  
>  I guess generic kernel profiling isn't enough, here?

It is not an issue of ``not enough'' but rather of ``too much''.  I need a
light-weight mechanism that can stay there.  Also, for my own edification,
I was curuious about the efficiency of my code.

---


Sincerely Yours, 

Simon Shapiro                                                 Atlas Telecom
Senior Architect         14355 SW Allen Blvd., Suite 130 Beaverton OR 97005
Shimon@i-Connect.Net                                  Voice:   503.799.2313