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[2003:cb:c71c:a700:bba7:849a:ecf1:5404]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-434b0f326a9sm47722075e9.35.2024.11.29.01.45.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 29 Nov 2024 01:45:52 -0800 (PST) Message-ID: Date: Fri, 29 Nov 2024 10:45:51 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [linus:master] [madvise] 2f406263e3: stress-ng.mremap.ops_per_sec 6.7% regression To: kernel test robot , Yin Fengwei Cc: oe-lkp@lists.linux.dev, lkp@intel.com, linux-kernel@vger.kernel.org, Andrew Morton , Yu Zhao , Ryan Roberts , Kefeng Wang , Matthew Wilcox , Minchan Kim , Vishal Moola , Yang Shi , linux-mm@kvack.org References: <202411291513.ad55672a-lkp@intel.com> From: David Hildenbrand Autocrypt: addr=david@redhat.com; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzSREYXZpZCBIaWxk ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT7CwZgEEwEIAEICGwMGCwkIBwMCBhUIAgkKCwQW AgMBAh4BAheAAhkBFiEEG9nKrXNcTDpGDfzKTd4Q9wD/g1oFAl8Ox4kFCRKpKXgACgkQTd4Q 9wD/g1oHcA//a6Tj7SBNjFNM1iNhWUo1lxAja0lpSodSnB2g4FCZ4R61SBR4l/psBL73xktp rDHrx4aSpwkRP6Epu6mLvhlfjmkRG4OynJ5HG1gfv7RJJfnUdUM1z5kdS8JBrOhMJS2c/gPf wv1TGRq2XdMPnfY2o0CxRqpcLkx4vBODvJGl2mQyJF/gPepdDfcT8/PY9BJ7FL6Hrq1gnAo4 3Iv9qV0JiT2wmZciNyYQhmA1V6dyTRiQ4YAc31zOo2IM+xisPzeSHgw3ONY/XhYvfZ9r7W1l pNQdc2G+o4Di9NPFHQQhDw3YTRR1opJaTlRDzxYxzU6ZnUUBghxt9cwUWTpfCktkMZiPSDGd KgQBjnweV2jw9UOTxjb4LXqDjmSNkjDdQUOU69jGMUXgihvo4zhYcMX8F5gWdRtMR7DzW/YE BgVcyxNkMIXoY1aYj6npHYiNQesQlqjU6azjbH70/SXKM5tNRplgW8TNprMDuntdvV9wNkFs 9TyM02V5aWxFfI42+aivc4KEw69SE9KXwC7FSf5wXzuTot97N9Phj/Z3+jx443jo2NR34XgF 89cct7wJMjOF7bBefo0fPPZQuIma0Zym71cP61OP/i11ahNye6HGKfxGCOcs5wW9kRQEk8P9 M/k2wt3mt/fCQnuP/mWutNPt95w9wSsUyATLmtNrwccz63XOwU0EVcufkQEQAOfX3n0g0fZz Bgm/S2zF/kxQKCEKP8ID+Vz8sy2GpDvveBq4H2Y34XWsT1zLJdvqPI4af4ZSMxuerWjXbVWb T6d4odQIG0fKx4F8NccDqbgHeZRNajXeeJ3R7gAzvWvQNLz4piHrO/B4tf8svmRBL0ZB5P5A 2uhdwLU3NZuK22zpNn4is87BPWF8HhY0L5fafgDMOqnf4guJVJPYNPhUFzXUbPqOKOkL8ojk CXxkOFHAbjstSK5Ca3fKquY3rdX3DNo+EL7FvAiw1mUtS+5GeYE+RMnDCsVFm/C7kY8c2d0G NWkB9pJM5+mnIoFNxy7YBcldYATVeOHoY4LyaUWNnAvFYWp08dHWfZo9WCiJMuTfgtH9tc75 7QanMVdPt6fDK8UUXIBLQ2TWr/sQKE9xtFuEmoQGlE1l6bGaDnnMLcYu+Asp3kDT0w4zYGsx 5r6XQVRH4+5N6eHZiaeYtFOujp5n+pjBaQK7wUUjDilPQ5QMzIuCL4YjVoylWiBNknvQWBXS lQCWmavOT9sttGQXdPCC5ynI+1ymZC1ORZKANLnRAb0NH/UCzcsstw2TAkFnMEbo9Zu9w7Kv AxBQXWeXhJI9XQssfrf4Gusdqx8nPEpfOqCtbbwJMATbHyqLt7/oz/5deGuwxgb65pWIzufa N7eop7uh+6bezi+rugUI+w6DABEBAAHCwXwEGAEIACYCGwwWIQQb2cqtc1xMOkYN/MpN3hD3 AP+DWgUCXw7HsgUJEqkpoQAKCRBN3hD3AP+DWrrpD/4qS3dyVRxDcDHIlmguXjC1Q5tZTwNB boaBTPHSy/Nksu0eY7x6HfQJ3xajVH32Ms6t1trDQmPx2iP5+7iDsb7OKAb5eOS8h+BEBDeq 3ecsQDv0fFJOA9ag5O3LLNk+3x3q7e0uo06XMaY7UHS341ozXUUI7wC7iKfoUTv03iO9El5f XpNMx/YrIMduZ2+nd9Di7o5+KIwlb2mAB9sTNHdMrXesX8eBL6T9b+MZJk+mZuPxKNVfEQMQ a5SxUEADIPQTPNvBewdeI80yeOCrN+Zzwy/Mrx9EPeu59Y5vSJOx/z6OUImD/GhX7Xvkt3kq Er5KTrJz3++B6SH9pum9PuoE/k+nntJkNMmQpR4MCBaV/J9gIOPGodDKnjdng+mXliF3Ptu6 3oxc2RCyGzTlxyMwuc2U5Q7KtUNTdDe8T0uE+9b8BLMVQDDfJjqY0VVqSUwImzTDLX9S4g/8 kC4HRcclk8hpyhY2jKGluZO0awwTIMgVEzmTyBphDg/Gx7dZU1Xf8HFuE+UZ5UDHDTnwgv7E th6RC9+WrhDNspZ9fJjKWRbveQgUFCpe1sa77LAw+XFrKmBHXp9ZVIe90RMe2tRL06BGiRZr jPrnvUsUUsjRoRNJjKKA/REq+sAnhkNPPZ/NNMjaZ5b8Tovi8C0tmxiCHaQYqj7G2rgnT0kt WNyWQQ== Organization: Red Hat In-Reply-To: <202411291513.ad55672a-lkp@intel.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: jMmvt8jogRtCUxJOs3sq3jjwU2gpN1dWrTxRhnOpgwE_1732873553 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 3EEF1180013 X-Stat-Signature: 5wqqmrjo8ofiu636s4xawg899zitbs8b X-Rspam-User: X-HE-Tag: 1732873550-269540 X-HE-Meta: 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 Chzr1Q1F 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 29.11.24 08:49, kernel test robot wrote: > > > Hello, > > kernel test robot noticed a 6.7% regression of stress-ng.mremap.ops_per_sec on: > > > commit: 2f406263e3e954aa24c1248edcfa9be0c1bb30fa ("madvise:madvise_cold_or_pageout_pte_range(): don't use mapcount() against large folio for sharing check") > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master > > [still regression on fix commit cc864ebba5f612ce2960e7e09322a193e8fda0d7] > > testcase: stress-ng > config: x86_64-rhel-8.3 > compiler: gcc-12 > test machine: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory > parameters: > > nr_threads: 100% > testtime: 60s > test: mremap > cpufreq_governor: performance A MADV_COLD / MADV_PAGEOUT patch for large folios / THP affecting a stress-ng mremap test (where propably no THP are used)? Sounds unlikely ... ;) -- Cheers, David / dhildenb