linux-kernel - Re: [PATCH] perf: xgene: Fix IOB SLOW PMU parser error

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Message-ID: <20180607160202.GA16435@arm.com>
Date:   Thu, 7 Jun 2018 17:02:03 +0100
From:   Will Deacon <will.deacon@....com>
To:     Hoan Tran <hoan.tran@...erecomputing.com>
Cc:     Mark Rutland <mark.rutland@....com>,
        Tai Nguyen <ttnguyen@...erecomputing.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Loc Ho <loc.ho@...erecomputing.com>
Subject: Re: [PATCH] perf: xgene: Fix IOB SLOW PMU parser error

On Wed, Jun 06, 2018 at 02:06:54PM -0700, Hoan Tran wrote:
> This patch fixes the below parser error of the IOB SLOW PMU.
> 
>         # perf stat -a -e iob-slow0/cycle-count/ sleep 1
>         evenf syntax error: 'iob-slow0/cycle-count/'
>                                  \___ parser error
> 
> It replaces the "-" character by "_" character inside the PMU name.
> 
> Signed-off-by: Hoan Tran <hoan.tran@...erecomputing.com>

Hmm, why did you only notice this now? :(

Anyway, whilst this could in theory break something, we did this for the CPU
PMUs in the past without issues so I'll pick this up.

Cheers,

Will