linux-kernel - Re: [PATCH] x86/tracing: introduce enter/exit tracepoint pairs for page faults

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Message-ID: <20250414205441.GGZ_12Eew18bGcPTG0@fat_crate.local>
Date: Mon, 14 Apr 2025 22:54:41 +0200
From: Borislav Petkov <bp@...en8.de>
To: Junxuan Liao <ljx@...wisc.edu>
Cc: linux-trace-kernel@...r.kernel.org, linux-kernel@...r.kernel.org,
	x86@...nel.org, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	"Paul E. McKenney" <paulmck@...nel.org>
Subject: Re: [PATCH] x86/tracing: introduce enter/exit tracepoint pairs for
 page faults

On Mon, Apr 14, 2025 at 03:35:41PM -0500, Junxuan Liao wrote:
> Rename page_fault_{user,kernel} to page_fault_{user,kernel}_enter, and
> add the exit counterparts. This might be useful for measuring page fault
				  ^^^^^^^^^^^^^^^^

Well, come back when it really becomes useful.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette