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From: Greg KH <gregkh@linuxfoundation.org>
To: kys@microsoft.com
Cc: linux-kernel@vger.kernel.org, devel@linuxdriverproject.org,
	olaf@aepfle.de, apw@canonical.com, vkuznets@redhat.com,
	jasowang@redhat.com, leann.ogasawara@canonical.com,
	marcelo.cerri@canonical.com, sthemmin@microsoft.com
Subject: Re: [PATCH 10/17] hyper-v: trace vmbus_open()
Date: Sun, 29 Oct 2017 21:59:58 +0100	[thread overview]
Message-ID: <20171029205958.GA30187@kroah.com> (raw)
In-Reply-To: <20171029192116.12466-10-kys@exchange.microsoft.com>

On Sun, Oct 29, 2017 at 12:21:09PM -0700, kys@exchange.microsoft.com wrote:
> From: Vitaly Kuznetsov <vkuznets@redhat.com>
> 
> Add tracepoint to CHANNELMSG_OPENCHANNEL sender.
> 
> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
> ---
>  drivers/hv/channel.c  |  2 ++
>  drivers/hv/hv_trace.h | 27 +++++++++++++++++++++++++++
>  2 files changed, 29 insertions(+)
> 
> diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
> index a406beb10dd0..739b3fe1e0fb 100644
> --- a/drivers/hv/channel.c
> +++ b/drivers/hv/channel.c
> @@ -185,6 +185,8 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
>  	ret = vmbus_post_msg(open_msg,
>  			     sizeof(struct vmbus_channel_open_channel), true);
>  
> +	trace_vmbus_open(open_msg, ret);

Why add tracepoints for things that ftrace can handle automatically?

  reply	other threads:[~2017-10-29 20:59 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-29 19:20 [PATCH 00/17] Drivers: hv: vmbus: Add tracing to VMBus kys
2017-10-29 19:21 ` [PATCH 01/17] hyper-v: trace vmbus_on_msg_dpc() kys
2017-10-29 19:21   ` [PATCH 02/17] hyper-v: trace vmbus_on_message() kys
2017-10-29 19:21   ` [PATCH 03/17] hyper-v: trace vmbus_onoffer() kys
2017-10-29 19:21   ` [PATCH 04/17] hyper-v: trace vmbus_onoffer_rescind() kys
2017-10-29 19:21   ` [PATCH 05/17] hyper-v: trace vmbus_onopen_result() kys
2017-10-29 19:21   ` [PATCH 06/17] hyper-v: trace vmbus_ongpadl_created() kys
2017-10-29 19:21   ` [PATCH 07/17] hyper-v: trace vmbus_ongpadl_torndown() kys
2017-10-29 19:21   ` [PATCH 08/17] hyper-v: trace vmbus_onversion_response() kys
2017-10-29 19:21   ` [PATCH 09/17] hyper-v: trace vmbus_request_offers() kys
2017-10-29 19:21   ` [PATCH 10/17] hyper-v: trace vmbus_open() kys
2017-10-29 20:59     ` Greg KH [this message]
2017-10-30  8:16       ` Vitaly Kuznetsov
2017-10-30  8:45         ` Greg KH
2017-10-30 10:07           ` Vitaly Kuznetsov
2017-10-30 10:32             ` Greg KH
2017-10-30 14:31               ` Steven Rostedt
2017-10-31 12:48                 ` Greg KH
2017-10-31 13:10                   ` Steven Rostedt
2017-11-01 17:43                     ` KY Srinivasan
2017-11-04 11:05                       ` Greg KH
2017-11-04 15:09                         ` KY Srinivasan
2017-10-31 17:41                   ` Stephen Hemminger
2017-10-29 19:21   ` [PATCH 11/17] hyper-v: trace vmbus_close_internal() kys
2017-10-29 19:21   ` [PATCH 12/17] hyper-v: trace vmbus_establish_gpadl() kys
2017-10-29 19:21   ` [PATCH 13/17] hyper-v: trace vmbus_teardown_gpadl() kys
2017-10-29 19:21   ` [PATCH 14/17] hyper-v: trace vmbus_negotiate_version() kys
2017-10-29 19:21   ` [PATCH 15/17] hyper-v: trace vmbus_release_relid() kys
2017-10-29 19:21   ` [PATCH 16/17] hyper-v: trace vmbus_send_tl_connect_request() kys
2017-10-29 19:21   ` [PATCH 17/17] hyper-v: trace channel events kys

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