linux-kernel - Re: [PATCH RFC v3 0/8] kernel-hacking: introduce CONFIG_NO_AUTO

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Message-ID: <20250501155042.GR4198@noisy.programming.kicks-ass.net>
Date: Thu, 1 May 2025 17:50:42 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: Brendan Jackman <jackmanb@...gle.com>
Cc: Christoph Hellwig <hch@....de>, chenlinxuan@...ontech.com,
	Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...nel.dk>,
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	Changbin Du <changbin.du@...el.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH RFC v3 0/8] kernel-hacking: introduce
 CONFIG_NO_AUTO_INLINE

On Thu, May 01, 2025 at 03:22:55PM +0000, Brendan Jackman wrote:

> Whereas enlarging the pool of functions that you can _optionally target_
> for tracing, or nice reliable breakpoints in GDB, and disasm that's
> easier to mentally map back to C, seems like a helpful improvement for
> test builds. Personally I sometimes spam a bunch of `noinline` into code
> I'm debugging so this seems like a way to just slap that same thing on
> the whole tree without dirtying the code, right?

Dunno, I'm more of the printk school of debugging. Very rarely do I
bother with GDB (so rare in fact that I have to look up how to even do
this).