Re: [PATCH v2 4/6] tools/kvm_stat: use canonical ftrace path
From: Steven Rostedt
Date: Thu Feb 16 2023 - 16:08:43 EST
On Wed, 15 Feb 2023 15:33:48 -0700
Ross Zwisler <zwisler@xxxxxxxxxxxx> 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@xxxxxxxxxx>
Reviewed-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx>
-- Steve