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charset=us-ascii Content-Disposition: inline In-Reply-To: <20240228051127.2859472-1-richardycc@google.com> X-Rspamd-Queue-Id: CF58B40012 X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: t7yt73ms64g3bgh9ez9z6u19tn3ai6ux X-HE-Tag: 1709143118-480219 X-HE-Meta: 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 6QEY3j0/ 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.007150, 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 Wed, Feb 28, 2024 at 05:11:17AM +0000, Richard Chang wrote: > alloc_contig_migrate_range has every information to be able to > understand big contiguous allocation latency. For example, how many > pages are migrated, how many times they were needed to unmap from > page tables. > > This patch adds the trace event to collect the allocation statistics. > In the field, it was quite useful to understand CMA allocation > latency. > > Signed-off-by: Richard Chang Acked-by: Minchan Kim