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Tue, 30 May 2023 08:24:37 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 7q22N8WydWQsLQAAMHmgww (envelope-from ); Tue, 30 May 2023 08:24:37 +0000 Message-ID: <7c4665b0-f7c5-64f1-2509-9e4643181e60@suse.cz> Date: Tue, 30 May 2023 10:24:37 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.2 Subject: Re: [PATCH 5/6] mm: compaction: add trace event for fast freepages isolation Content-Language: en-US To: Baolin Wang , akpm@linux-foundation.org Cc: mgorman@techsingularity.net, linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <78d2932d0160d122c15372aceb3f2c45460a17fc.1685018752.git.baolin.wang@linux.alibaba.com> From: Vlastimil Babka In-Reply-To: <78d2932d0160d122c15372aceb3f2c45460a17fc.1685018752.git.baolin.wang@linux.alibaba.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 8059620010 X-Rspam-User: X-Stat-Signature: ak6kyi8pf5igbimeokjd5stk8sy5ffwf X-Rspamd-Server: rspam01 X-HE-Tag: 1685435079-737439 X-HE-Meta: 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 It+fNMhS R/CObiW/iu/szFaqh1RJaNFAynBX/RCpBhroAzfbm85vPpQsOzJtNHJBR6O9AYS3GnboYiD88vnDzX196aEqRXIq6ZN+KU8Clz+UXgMcTQHRy+mogy6A8hrhSSwtUGCyo2XlVW4F1SRbMRyUlclEW4BEpW9fLoJzLtDhREBoAR2BflvwR7DLEUd0Nt+0F31V1H9VqAIO+uq01XAgTA2aUpfrMoQ== 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: On 5/25/23 14:54, Baolin Wang wrote: > The fast_isolate_freepages() can also isolate freepages, but we can not > know the fast isolation efficiency to understand the fast isolation pressure. > So add a trace event to show some numbers to help to understand the efficiency > for fast freepages isolation. > > Signed-off-by: Baolin Wang Acked-by: Vlastimil Babka