linux-kernel - Re: [RFC PATCH] MIPS: Oprofile: Drop support

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Message-ID: <20180424135900.GA11224@infradead.org>
Date:   Tue, 24 Apr 2018 06:59:00 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Matt Redfearn <matt.redfearn@...s.com>
Cc:     James Hogan <jhogan@...nel.org>,
        Ralf Baechle <ralf@...ux-mips.org>, linux-mips@...ux-mips.org,
        Huacai Chen <chenhc@...ote.com>, linux-kernel@...r.kernel.org,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Robert Richter <rric@...nel.org>, oprofile-list@...ts.sf.net,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [RFC PATCH] MIPS: Oprofile: Drop support

On Tue, Apr 24, 2018 at 01:55:54PM +0100, Matt Redfearn wrote:
> The core oprofile code in drivers/oprofile/ has not seeen significant
> maintenance other than fixes to changes in other parts of the tree for
> the last 5 years at least. It looks as through the perf tool has
> more or less superceeded it's functionality.
> Additionally the MIPS architecture support has bitrotted to an extent
> meaning it is not currently functional.

I wonder if time has come to drop oprofile support entirely.

(in addition to your patch which seems more urgent)