From: Steven Rostedt <rostedt@goodmis.org>
To: Ross Zwisler <zwisler@chromium.org>
Cc: linux-kernel@vger.kernel.org, Ross Zwisler <zwisler@google.com>,
Paolo Bonzini <pbonzini@redhat.com>,
kvm@vger.kernel.org, linux-trace-kernel@vger.kernel.org
Subject: Re: [PATCH v2 4/6] tools/kvm_stat: use canonical ftrace path
Date: Thu, 16 Feb 2023 16:08:28 -0500 [thread overview]
Message-ID: <20230216160828.085c0852@rorschach.local.home> (raw)
In-Reply-To: <20230215223350.2658616-5-zwisler@google.com>
On Wed, 15 Feb 2023 15:33:48 -0700
Ross Zwisler <zwisler@chromium.org> wrote:
> The canonical location for the tracefs filesystem is at /sys/kernel/tracing.
>
> But, from Documentation/trace/ftrace.rst:
>
> Before 4.1, all ftrace tracing control files were within the debugfs
> file system, which is typically located at /sys/kernel/debug/tracing.
> For backward compatibility, when mounting the debugfs file system,
> the tracefs file system will be automatically mounted at:
>
> /sys/kernel/debug/tracing
>
> A comment in kvm_stat still refers to this older debugfs path, so let's
> update it to avoid confusion.
>
> Signed-off-by: Ross Zwisler <zwisler@google.com>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
-- Steve
next prev parent reply other threads:[~2023-02-16 21:08 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-15 22:33 [PATCH v2 0/6] use canonical ftrace path whenever possible Ross Zwisler
2023-02-15 22:33 ` [PATCH v2 1/6] tracing: always use canonical ftrace path Ross Zwisler
2023-02-16 15:13 ` Masami Hiramatsu
2023-02-17 15:34 ` Mukesh Ojha
2023-02-15 22:33 ` [PATCH v2 2/6] selftests: " Ross Zwisler
2023-02-16 20:58 ` Steven Rostedt
2023-02-17 15:40 ` Mukesh Ojha
2023-02-15 22:33 ` [PATCH v2 3/6] leaking_addresses: also skip " Ross Zwisler
2023-02-15 22:33 ` [PATCH v2 4/6] tools/kvm_stat: use " Ross Zwisler
2023-02-16 21:08 ` Steven Rostedt [this message]
2023-02-17 11:32 ` Paolo Bonzini
2023-02-17 15:41 ` Mukesh Ojha
2023-02-15 22:33 ` [PATCH v2 5/6] tools/virtio: " Ross Zwisler
2023-02-17 15:46 ` Mukesh Ojha
2023-06-02 11:15 ` Michael S. Tsirkin
2023-02-15 22:33 ` [PATCH v2 6/6] tools/virtio: fix typo in README instructions Ross Zwisler
2023-03-10 8:29 ` [PATCH v2 0/6] use canonical ftrace path whenever possible Michael S. Tsirkin
2023-03-10 19:06 ` Ross Zwisler
2023-03-10 19:37 ` Steven Rostedt
2023-03-22 2:32 ` Michael S. Tsirkin
2023-03-22 16:52 ` Ross Zwisler
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