linux-kernel - Any tracing mechanism can track the executed instructions of a user process in the kernel?

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Message-ID: <CAD-N9QWd6Orm8d9AMk7mybByAKZod=GJ-HSNPOfhFDStSPwSUA@mail.gmail.com>
Date:   Mon, 18 Oct 2021 10:45:37 +0800
From:   Dongliang Mu <mudongliangabcd@...il.com>
To:     kernelnewbies <kernelnewbies@...nelnewbies.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Cc:     Greg KH <gregkh@...uxfoundation.org>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Pavel Skripkin <paskripkin@...il.com>
Subject: Any tracing mechanism can track the executed instructions of a user
 process in the kernel?

Hi all,

I am writing to kindly ask one question: is there any tracing
mechanism in Linux kernel that can trace all the executed instructions
of a user process? If this user process is run on different
processors, traces of this process on different processors should be
also recorded.

Any comment is welcome.

--
My best regards to you.

     No System Is Safe!
     Dongliang Mu