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Message-Id: <17FDEE20-A187-4493-BFA6-F09555B1EF6F@gmail.com>
Date: Thu, 20 Jun 2024 11:39:38 +0800
From: zhang warden <zhangwarden@...il.com>
To: Miroslav Benes <mbenes@...e.cz>
Cc: Song Liu <song@...nel.org>,
Petr Mladek <pmladek@...e.com>,
Josh Poimboeuf <jpoimboe@...nel.org>,
Jiri Kosina <jikos@...nel.org>,
Joe Lawrence <joe.lawrence@...hat.com>,
live-patching@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] livepatch: introduce klp_func called interface
> On Jun 7, 2024, at 17:07, Miroslav Benes <mbenes@...e.cz> wrote:
>
> It would be better than this patch but given what was mentioned in the
> thread I wonder if it is possible to use ftrace even for this. See
> /sys/kernel/tracing/trace_stat/function*. It already gathers the number of
> hits.
>
Hi, Miroslav
Can ftrace able to trace the function which I added into kernel by livepatching?
Regard
Wardenjohn
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