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boundary="------------SJ5Sz70aXh6NsAGp9dAh1a0A" Message-ID: <684e2045-52ae-6711-7dd3-6f24b2d692a1@axis.com> Date: Fri, 24 Feb 2023 16:45:50 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.1 Subject: Re: [PATCH] mm/memcontrol: add memory.peak in cgroup root Content-Language: en-US To: Michal Hocko CC: Matthew Chae , Roman Gushchin , =?UTF-8?Q?Michal_Koutn=c3=bd?= , Johannes Weiner , Shakeel Butt , Andrew Morton , kernel , Christopher Wong , Muchun Song , "cgroups@vger.kernel.org" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" References: From: Matthew Chae In-Reply-To: X-ClientProxiedBy: MM0P280CA0040.SWEP280.PROD.OUTLOOK.COM (2603:10a6:190:b::11) To AM5PR0202MB2516.eurprd02.prod.outlook.com (2603:10a6:203:6f::21) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM5PR0202MB2516:EE_|AS2PR02MB9389:EE_ X-MS-Office365-Filtering-Correlation-Id: 49f51f50-bd13-4236-4038-08db167e3554 X-LD-Processed: 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It might be very helpful for me. Thank you for your help again. On 2/24/23 16:02, Michal Hocko wrote: > On Fri 24-02-23 15:18:49, Matthew Chae wrote: >> Hi Michal >> >> Thank you for helping me gain full insight. >> It looks like there is no proper way to get the peak memory usage recorded >> without adding any overhead to the system and for all users. But I fully >> understand what you kindly explained. Basically, having low memory left >> doesn't mean a bad situation for the system, So checking the peak memory >> doesn't mean a lot and is not necessary. > You might findhttps://www.pdl.cmu.edu/ftp/NVM/tmo_asplos22.pdf > interesting and helpful --------------SJ5Sz70aXh6NsAGp9dAh1a0A Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 7bit

Let me look through this. It might be very helpful for me.

Thank you for your help again.


On 2/24/23 16:02, Michal Hocko wrote:
On Fri 24-02-23 15:18:49, Matthew Chae wrote:

Hi Michal

Thank you for helping me gain full insight.
It looks like there is no proper way to get the peak memory usage recorded
without adding any overhead to the system and for all users. But I fully
understand what you kindly explained. Basically, having low memory left
doesn't mean a bad situation for the system, So checking the peak memory
doesn't mean a lot and is not necessary.

You might find https://www.pdl.cmu.edu/ftp/NVM/tmo_asplos22.pdf
interesting and helpful
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