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From: David Laight <David.Laight@ACULAB.COM>
To: 'Abhinav Kumar' <quic_abhinavk@quicinc.com>,
	Johannes Berg <johannes@sipsolutions.net>,
	Greg KH <gregkh@linuxfoundation.org>
Cc: "rafael@kernel.org" <rafael@kernel.org>,
	"linux-arm-msm@vger.kernel.org" <linux-arm-msm@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"dri-devel@lists.freedesktop.org"
	<dri-devel@lists.freedesktop.org>,
	"swboyd@chromium.org" <swboyd@chromium.org>,
	"khsieh@codeaurora.org" <khsieh@codeaurora.org>,
	"nganji@codeaurora.org" <nganji@codeaurora.org>,
	"seanpaul@chromium.org" <seanpaul@chromium.org>,
	"dmitry.baryshkov@linaro.org" <dmitry.baryshkov@linaro.org>,
	"aravindh@codeaurora.org" <aravindh@codeaurora.org>,
	"freedreno@lists.freedesktop.org"
	<freedreno@lists.freedesktop.org>
Subject: RE: [PATCH] devcoredump: increase the device delete timeout to 10 mins
Date: Tue, 1 Mar 2022 06:48:49 +0000	[thread overview]
Message-ID: <8fa2f879e33e4e42b76e21c6fbdcb023@AcuMS.aculab.com> (raw)
In-Reply-To: <989efb15-cc5e-8f6d-c313-118f01498e33@quicinc.com>

From: Abhinav Kumar
> Sent: 28 February 2022 21:38
...
> We also did some profiling around how much increasing the block size
> helps and here is the data:
> 
> Block size	cost
> 
> 4KB	        229s
> 8KB	         86s

You must have an O(n^2) operation in there - find it.

	David

-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)

  reply	other threads:[~2022-03-01  6:48 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-08 19:44 [PATCH] devcoredump: increase the device delete timeout to 10 mins Abhinav Kumar
2022-02-08 20:35 ` Johannes Berg
2022-02-08 21:04   ` Abhinav Kumar
2022-02-08 21:12     ` Johannes Berg
2022-02-08 21:40       ` Abhinav Kumar
2022-02-08 21:54         ` Johannes Berg
2022-02-09  1:55           ` Abhinav Kumar
2022-02-09  7:50             ` Johannes Berg
2022-02-09 16:29               ` Abhinav Kumar
2022-02-11 11:09             ` Greg KH
2022-02-11 11:09 ` Greg KH
2022-02-11 18:59   ` Abhinav Kumar
2022-02-12  7:04     ` Greg KH
2022-02-12  7:52       ` Abhinav Kumar
2022-02-12  8:24         ` Johannes Berg
2022-02-12  8:35           ` Abhinav Kumar
2022-02-28 21:38             ` Abhinav Kumar
2022-03-01  6:48               ` David Laight [this message]
2022-03-01 17:45                 ` Rob Clark
2022-03-11 11:53                   ` Johannes Berg
2022-02-12  8:29         ` Greg KH
2022-02-12  8:33           ` Abhinav Kumar

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