linux-kernel - Re: [patch] Performance Counters for Linux, v3

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Message-ID: <49418E91.9090904@redhat.com>
Date:	Thu, 11 Dec 2008 17:05:05 -0500
From:	William Cohen <wcohen@...hat.com>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [patch] Performance Counters for Linux, v3

I was taking a look at the proposed performance monitoring and kerneltop.c. I 
noticed that  http://redhat.com/~mingo/perfcounters/kerneltop.c doesn't work 
with the v3 version. I didn't see a more recent version available, so I made 
some modifications to make allow it to work with the v3 kernel (with the 
attached). However, I assume some where there is an updated version of kerneltop.c

The Documentation/perf-counters.txt doesn't describe how the group_fd is used. 
Found that -1 used to indicate not connected to any other fd.

-Will

View attachment "v3.diff" of type "text/x-patch" (2421 bytes)