From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Linyu Yuan <quic_linyyuan@quicinc.com>
Cc: Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
Peter Chen <peter.chen@kernel.org>,
Pawel Laszczak <pawell@cadence.com>,
Roger Quadros <rogerq@kernel.org>,
Linus Walleij <linus.walleij@linaro.org>,
Chunfeng Yun <chunfeng.yun@mediatek.com>,
Neal Liu <neal_liu@aspeedtech.com>,
Cristian Birsan <cristian.birsan@microchip.com>,
Bin Liu <b-liu@ti.com>, Kevin Cernekee <cernekee@gmail.com>,
Justin Chen <justin.chen@broadcom.com>,
Al Cooper <alcooperx@gmail.com>, Li Yang <leoyang.li@nxp.com>,
Vladimir Zapolskiy <vz@mleia.com>,
Daniel Mack <daniel@zonque.org>,
Haojian Zhuang <haojian.zhuang@gmail.com>,
Robert Jarzmik <robert.jarzmik@free.fr>,
Philipp Zabel <p.zabel@pengutronix.de>,
Herve Codina <herve.codina@bootlin.com>,
hierry Reding <thierry.reding@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
Michal Simek <michal.simek@amd.com>,
Rui Miguel Silva <rui.silva@linaro.org>,
Valentina Manea <valentina.manea.m@gmail.com>,
Shuah Khan <shuah@kernel.org>, Hongren Zheng <i@zenithal.me>,
linux-usb@vger.kernel.org
Subject: Re: [PATCH v2 10/11] usb: mtu3: trace: reduce buffer usage of trace event
Date: Mon, 11 Sep 2023 15:33:36 +0200 [thread overview]
Message-ID: <2023091157-kiwi-skydiver-b030@gregkh> (raw)
In-Reply-To: <20230911112446.1791-11-quic_linyyuan@quicinc.com>
On Mon, Sep 11, 2023 at 07:24:45PM +0800, Linyu Yuan wrote:
> Save u32 members into trace event ring buffer and parse it for possible
> bit information.
Reduce it by how much? And now you are parsing, which takes more time
right? Why is this change needed?
I just picked one of the patches in the series here, you need to be able
to answer this for all of them.
thanks,
greg k-h
next prev parent reply other threads:[~2023-09-11 21:48 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-11 11:24 [PATCH v2 00/11] usb: gadget: reduce usb gadget trace event buffer usage Linyu Yuan
2023-09-11 11:24 ` [PATCH v2 01/11] usb: gadget: add anonymous definition in struct usb_gadget Linyu Yuan
2023-09-11 11:37 ` Greg Kroah-Hartman
2023-09-11 13:20 ` Linyu Yuan
2023-09-11 11:24 ` [PATCH v2 02/11] usb: gadget: add anonymous definition in struct usb_request Linyu Yuan
2023-09-11 11:24 ` [PATCH v2 03/11] usb: gadget: add anonymous definition in struct usb_ep Linyu Yuan
2023-09-11 11:24 ` [PATCH v2 04/11] usb: udc: assign epnum for each usb endpoint Linyu Yuan
2023-09-11 11:24 ` [PATCH v2 05/11] usb: udc: trace: reduce buffer usage of trace event Linyu Yuan
2023-09-11 11:24 ` [PATCH v2 06/11] usb: cdns3: cdnsp: " Linyu Yuan
2023-09-11 11:24 ` [PATCH v2 07/11] usb: cdns3: trace: " Linyu Yuan
2023-09-11 11:24 ` [PATCH v2 08/11] usb: dwc3: " Linyu Yuan
2023-09-11 11:24 ` [PATCH v2 09/11] usb: cdns2: " Linyu Yuan
2023-09-11 11:24 ` [PATCH v2 10/11] usb: mtu3: " Linyu Yuan
2023-09-11 13:33 ` Greg Kroah-Hartman [this message]
2023-09-11 11:24 ` [PATCH v2 11/11] usb: musb: " Linyu Yuan
2023-09-11 13:32 ` [PATCH v2 00/11] usb: gadget: reduce usb gadget trace event buffer usage Greg Kroah-Hartman
2023-09-11 13:44 ` Linyu Yuan
2023-09-11 13:48 ` Greg Kroah-Hartman
2023-09-11 13:56 ` Linyu Yuan
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