linux-kernel - Re: [PATCH 2/3] perf script: Fix off by one in brstackinsn IPC computation

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Message-ID: <20190716184453.GC3624@kernel.org>
Date:   Tue, 16 Jul 2019 15:44:53 -0300
From:   Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
To:     Andi Kleen <andi@...stfloor.org>
Cc:     jolsa@...nel.org, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org, Andi Kleen <ak@...ux.intel.com>,
        Denis Bakhvalov <denis.bakhvalov@...el.com>
Subject: Re: [PATCH 2/3] perf script: Fix off by one in brstackinsn IPC
 computation

Em Thu, Jul 11, 2019 at 11:19:21AM -0700, Andi Kleen escreveu:
> From: Andi Kleen <ak@...ux.intel.com>
> 
> When we hit the end of a program block, need to count the last instruction
> too for the IPC computation. This caused large errors for small blocks.
> 
> % perf script -b ls / > /dev/null
> 
> Before:

Thanks, applied.

- Arnaldo