linux-kernel - Re: [PATCH v2 4/7] platform/x86/intel/ifs: Implement Array BIST test

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Message-ID: <8fb5ebbf-d468-169d-5603-b267e7b42516@intel.com>
Date:   Wed, 22 Feb 2023 14:28:55 -0800
From:   Dave Hansen <dave.hansen@...el.com>
To:     "Joseph, Jithu" <jithu.joseph@...el.com>, hdegoede@...hat.com,
        markgross@...nel.org
Cc:     tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
        dave.hansen@...ux.intel.com, x86@...nel.org, hpa@...or.com,
        gregkh@...uxfoundation.org, rostedt@...dmis.org,
        ashok.raj@...el.com, tony.luck@...el.com,
        linux-kernel@...r.kernel.org, platform-driver-x86@...r.kernel.org,
        patches@...ts.linux.dev, ravi.v.shankar@...el.com,
        thiago.macieira@...el.com, athenas.jimenez.gonzalez@...el.com,
        sohil.mehta@...el.com
Subject: Re: [PATCH v2 4/7] platform/x86/intel/ifs: Implement Array BIST test

On 2/22/23 14:07, Joseph, Jithu wrote:
> Since the trace has to be explicitly enabled (I thought it is okay to
> add a more convenient custom one only to be enabled for detailed
> analysis when required).

	man perf-script

You should be able to write one to do exactly what you need in about 10
minutes.  No new tracepoints, no new kernel code to maintain.  Knock
yourself out with whatever conveniences you want.  Just do it in userspace.

I still think this patch should go away.