From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Alan D. Brunelle" Date: Wed, 28 May 2008 11:03:33 +0000 Subject: Re: Negative queue lengths in btt "iostat" output? Message-Id: <483D3C05.1060708@pobox.com> List-Id: References: <483CA8B7.2090008@cesmail.net> In-Reply-To: <483CA8B7.2090008@cesmail.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-btrace@vger.kernel.org M. Edward (Ed) Borasky wrote: > I'm experimenting with "btt" and I have a case where the "iostat" > emulation is generating negative queue lengths. They seem to be > steadily increasing in magnitude. The utilizations don't look right, > either -- I don't think this device was 100 percent busy for the > entire run. > > I've attached a sample -- the input files are huge, but I'll post them > if you need them. > > I'll take a look at this later this morning - haven't looked at the iostat stuff in quite some time... :-) Alan