linux-kernel - Re: Why do kprobes and uprobes singlestep?

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Message-ID: <CAADnVQ+czV6u4CM-A+o5U+WhApkocunZXiCMJBB_Zbs0mvNSwQ@mail.gmail.com>
Date:   Tue, 2 Mar 2021 12:24:04 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Andy Lutomirski <luto@...nel.org>, bpf <bpf@...r.kernel.org>
Cc:     Oleg Nesterov <oleg@...hat.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>,
        "David S. Miller" <davem@...emloft.net>, X86 ML <x86@...nel.org>,
        Andrew Cooper <andrew.cooper3@...rix.com>
Subject: Re: Why do kprobes and uprobes singlestep?

On Tue, Mar 2, 2021 at 10:38 AM Andy Lutomirski <luto@...nel.org> wrote:
>
> Is there something like a uprobe test suite?  How maintained /
> actively used is uprobe?

uprobe+bpf is heavily used in production.
selftests/bpf has only one test for it though.

Why are you asking?