linux-kernel - Re: [PATCH] perf/x86/svm: Convert 'perf kvm stat report' output lowercase to uppercase

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Message-ID: <CALMp9eRyyO3d36j6YbcvLEuPLZpByYS8SOCpVithpfqCeKhDUg@mail.gmail.com>
Date:   Wed, 29 Jul 2020 13:16:38 -0700
From:   Jim Mattson <jmattson@...gle.com>
To:     Haiwei Li <lihaiwei.kernel@...il.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        kvm list <kvm@...r.kernel.org>,
        "x86@...nel.org" <x86@...nel.org>, acme@...hat.com,
        "hpa@...or.com" <hpa@...or.com>, "bp@...en8.de" <bp@...en8.de>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "joro@...tes.org" <joro@...tes.org>,
        Wanpeng Li <wanpengli@...cent.com>,
        "vkuznets@...hat.com" <vkuznets@...hat.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        "pbonzini@...hat.com" <pbonzini@...hat.com>
Subject: Re: [PATCH] perf/x86/svm: Convert 'perf kvm stat report' output
 lowercase to uppercase

On Tue, Jul 28, 2020 at 11:24 PM Haiwei Li <lihaiwei.kernel@...il.com> wrote:
>
> From: Haiwei Li <lihaiwei@...cent.com>
>
> The reason output of 'perf kvm stat report --event=vmexit' is uppercase
> on VMX and lowercase on SVM.
>
> To be consistent with VMX, convert lowercase to uppercase.
>
> Signed-off-by: Haiwei Li <lihaiwei@...cent.com>

Please don't do this. It breaks an existing ABI.