From: Vincent Donnefort <vdonnefort@google.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: mhiramat@kernel.org, linux-trace-kernel@vger.kernel.org,
maz@kernel.org, oliver.upton@linux.dev, kvmarm@lists.linux.dev,
will@kernel.org, qperret@google.com, kernel-team@android.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 00/13] Tracefs support for pKVM
Date: Tue, 7 Jan 2025 21:46:44 +0000 [thread overview]
Message-ID: <Z32gxHCt363ye1Vv@google.com> (raw)
In-Reply-To: <20250107145439.5bd66362@gandalf.local.home>
On Tue, Jan 07, 2025 at 02:54:39PM -0500, Steven Rostedt wrote:
>
> Hi Vincent,
>
> Are you still working on this series? I was expecting an update.
Yes I am! I had actually a new version ready just before christmas but I thought
I'd better wait for the new year before sending it so it does not get lost in
your mailbox :)
Hopefully I'll send it this week!
>
> -- Steve
>
>
> On Wed, 11 Sep 2024 10:30:16 +0100
> Vincent Donnefort <vdonnefort@google.com> wrote:
>
> > The growing set of features supported by the hypervisor in protected
> > mode necessitates debugging and profiling tools. Tracefs is the
> > ideal candidate for this task:
> >
> > * It is simple to use and to script.
> >
> > * It is supported by various tools, from the trace-cmd CLI to the
> > Android web-based perfetto.
> >
> > * The ring-buffer, where are stored trace events consists of linked
> > pages, making it an ideal structure for sharing between kernel and
> > hypervisor.
> >
> > This series introduces a method to create events and to generate them
> > from the hypervisor (hyp_enter/hyp_exit given as an example) as well as
> > a Tracefs user-space interface to read them.
> >
> > A presentation was given on this matter during the tracing summit in
> > 2022. [1]
prev parent reply other threads:[~2025-01-07 21:46 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-11 9:30 [PATCH 00/13] Tracefs support for pKVM Vincent Donnefort
2024-09-11 9:30 ` [PATCH 01/13] ring-buffer: Check for empty ring-buffer with rb_num_of_entries() Vincent Donnefort
2024-09-11 9:30 ` [PATCH 02/13] ring-buffer: Introducing ring-buffer writer Vincent Donnefort
2024-09-12 12:55 ` kernel test robot
2024-09-11 9:30 ` [PATCH 03/13] ring-buffer: Expose buffer_data_page material Vincent Donnefort
2024-09-11 9:30 ` [PATCH 04/13] timekeeping: Add the boot clock to system time snapshot Vincent Donnefort
2024-09-13 22:28 ` John Stultz
2024-10-02 15:15 ` Thomas Gleixner
2024-10-02 15:44 ` [tip: timers/core] " tip-bot2 for Vincent Donnefort
2024-09-11 9:30 ` [PATCH 05/13] KVM: arm64: Support unaligned fixmap in the nVHE hyp Vincent Donnefort
2024-09-11 9:30 ` [PATCH 06/13] KVM: arm64: Add clock support " Vincent Donnefort
2024-09-13 22:41 ` John Stultz
2024-09-16 12:26 ` Vincent Donnefort
2024-09-11 9:30 ` [PATCH 07/13] KVM: arm64: Add tracing support for the pKVM hyp Vincent Donnefort
2024-09-11 9:30 ` [PATCH 08/13] KVM: arm64: Add hyp tracing to tracefs Vincent Donnefort
2024-09-11 9:30 ` [PATCH 09/13] KVM: arm64: Add clock for hyp tracefs Vincent Donnefort
2024-09-13 23:21 ` John Stultz
2024-09-16 12:39 ` Vincent Donnefort
2024-09-11 9:30 ` [PATCH 10/13] KVM: arm64: Add raw interface " Vincent Donnefort
2024-09-11 9:30 ` [PATCH 11/13] KVM: arm64: Add trace " Vincent Donnefort
2024-09-11 9:30 ` [PATCH 12/13] KVM: arm64: Add support for hyp events Vincent Donnefort
2024-09-11 9:30 ` [PATCH 13/13] KVM: arm64: Add kselftest for tracefs hyp tracefs Vincent Donnefort
2025-01-07 19:54 ` [PATCH 00/13] Tracefs support for pKVM Steven Rostedt
2025-01-07 21:46 ` Vincent Donnefort [this message]
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