linux-kernel - Re: [PATCH 0/8] firewire: store the numeric identifier of card in data structure for tracepoint events

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Message-ID: <20240615060143.GB497879@workstation.local>
Date: Sat, 15 Jun 2024 15:01:43 +0900
From: Takashi Sakamoto <o-takashi@...amocchi.jp>
To: linux1394-devel@...ts.sourceforge.net
Cc: linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/8] firewire: store the numeric identifier of card in
 data structure for tracepoint events

On Thu, Jun 13, 2024 at 10:14:32PM +0900, Takashi Sakamoto wrote:
> Hi,
> 
> In v6.10 kernel, some tracepoints events are added to record
> IEEE 1394 asynchronous communication. In the case that multiple 1394 OHCI
> controllers are available in Linux system, it is hard to distinguish
> the controller used for the communication, since these events have no
> member in their data structure to express the used controller. It is a
> bit inconvenient to diagnose things.
> 
> This series of patches is an attempt to solve the issue. In Linux
> FireWire core, the available controllers are maintained in list, and
> each of them has its own numeric identifier (=card_index). In this
> series, the index value is added to the data structure.
> 
> I would like to put the change to v6.10-rc4 (or later) as the part of
> fixes if receiving no objections.
> 
> Takashi Sakamoto (8):
>   firewire: core: record card index in tracepoinrts events derived from
>     async_outbound_complete_template
>   firewire: core: record card index in tracepoinrts events derived from
>     async_outbound_initiate_template
>   firewire: core: record card index in tracepoinrts events derived from
>     async_inbound_template
>   firewire: core: record card index in async_phy_outbound_initiate
>     tracepoints event
>   firewire: core: record card index in async_phy_outbound_complete
>     tracepoints event
>   firewire: core: record card index in async_phy_inbound tracepoints
>     event
>   firewire: core: record card index in tracepoinrts events derived from
>     bus_reset_arrange_template
>   firewire: core: record card index in bus_reset_handle tracepoints
>     event
> 
>  drivers/firewire/core-card.c        |   6 +-
>  drivers/firewire/core-cdev.c        |   6 +-
>  drivers/firewire/core-topology.c    |   2 +-
>  drivers/firewire/core-transaction.c |  30 ++++----
>  include/trace/events/firewire.h     | 113 +++++++++++++++++-----------
>  5 files changed, 92 insertions(+), 65 deletions(-)

Applied to for-linus branch.


Thanks

Takashi Sakamoto