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[74.98.221.57]) by smtp.gmail.com with UTF8SMTPSA id d7-20020a05620a136700b0078863e0f829sm5213075qkl.12.2024.03.19.19.42.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 19 Mar 2024 19:42:23 -0700 (PDT) From: kaiyang2@cs.cmu.edu To: linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Kaiyang Zhao , hannes@cmpxchg.org, ziy@nvidia.com, dskarlat@cs.cmu.edu Subject: [RFC PATCH 4/7] vmstat counter for pages migrated across zones Date: Wed, 20 Mar 2024 02:42:15 +0000 Message-Id: <20240320024218.203491-5-kaiyang2@cs.cmu.edu> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240320024218.203491-1-kaiyang2@cs.cmu.edu> References: <20240320024218.203491-1-kaiyang2@cs.cmu.edu> Reply-To: Kaiyang Zhao MIME-Version: 1.0 X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 66AA740006 X-Stat-Signature: giu9ci68u9phi7m9wysean1wego8n1j1 X-Rspam-User: X-HE-Tag: 1710902544-332077 X-HE-Meta: U2FsdGVkX18NYwDUethVwxjdsu/ZbXpmohKcOHHB16p9/rAv5mDTKu45MA8ct0gZ3hrbKMmHtvsNvs7R0pzCEVbKvgA/qE5gLj6k/U22JzzYNyqb6HaXi8R5CfWI0q+cpaodEQ6B6ujujVwU2S3VL49QQiqSzAAJyhbBbkx6/V2J6CIKNTPy881Eyn5glxz317SlUUnqtBKw0X0SoBWm4nFdxluasHGKJM2KosOf1MQgHkNo6nlsm+DJUx2SuplvFxRkil5bOApUZLPTwjvgBKg7DpIwh9OZAHpSOc/EC1uGwPAaxZATyOYgkK0OshEG1eXWdog2AYgq9NACLRowUobrZSmZe07IzJNs2KQF1zoVL4Ca+f04wWIp2MrK21Uy4L/QzUFsXJiPNrRLpf7C5uwTmgoJPNvv5RfRQrcc8bhEfJNCU99V84jZQcRTnRetV7d0dLvtcgYBAsuXRpnaSpkrEKHMmJtZW4R36vgNiC96vYE7vVnmYqpmCA2IMSqo98Gyqm037amqC9ZUoPA//8ia/ZGcegONeh2afOr9QxrwEmUHgGzMlhztSmGssVpvdcraiWvfT9i3mQgEZCFbo2TvjhizuXt0YbjEEKd/J0zvEe3eEwl6NgbXrjb7DDRrSisZBJ4u6gIhuMdz08FYxJRvsEPEllVgkH9SC6c0A8TtwzdgEyZHXtPGY7znm5++Dy5MFHSOu0HRxorCUO6uFneVnPVWVb3MxJDWDN/TvxJfDWpHuvhw0Jb0dD6AEsSc9au5RNjg/RI4dhHcjpNSbieCPIQY/Go5zK4rRhpQ2UJPpp66roWmlnQ2w90oZS5kPfmNiu4a30a1sXvMHsLRTvrNL/ilKHh8Lf/WvDD6fPmeYpS4NJKIQZkVpxeZ7I6PuupGL2+6HtTvauQrs+WBpsh5T9cFRMIE1rfG+pEE3GjgK4KshiUqNGZZqGhdcFM1cCMIWcrP+AvCFexlQBI O0Iu8WcO 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.044797, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: Kaiyang Zhao Add a counter for the number of pages migrated across zones in vmstat Signed-off-by: Kaiyang Zhao --- include/linux/vm_event_item.h | 1 + mm/compaction.c | 2 ++ mm/vmstat.c | 1 + 3 files changed, 4 insertions(+) diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h index 8abfa1240040..be88819085b6 100644 --- a/include/linux/vm_event_item.h +++ b/include/linux/vm_event_item.h @@ -79,6 +79,7 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT, COMPACTSTALL, COMPACTFAIL, COMPACTSUCCESS, KCOMPACTD_WAKE, KCOMPACTD_MIGRATE_SCANNED, KCOMPACTD_FREE_SCANNED, + COMPACT_CROSS_ZONE_MIGRATED, #endif #ifdef CONFIG_HUGETLB_PAGE HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL, diff --git a/mm/compaction.c b/mm/compaction.c index 03b5c4debc17..dea10ad8ec64 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -2552,6 +2552,8 @@ compact_zone(struct compact_control *cc, struct capture_control *capc) count_compact_events(COMPACTMIGRATE_SCANNED, cc->total_migrate_scanned); count_compact_events(COMPACTFREE_SCANNED, cc->total_free_scanned); + if (dst_zone != cc->zone) + count_compact_events(COMPACT_CROSS_ZONE_MIGRATED, nr_succeeded); trace_mm_compaction_end(cc, start_pfn, end_pfn, sync, ret); diff --git a/mm/vmstat.c b/mm/vmstat.c index c28046371b45..98af82e65ad9 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1324,6 +1324,7 @@ const char * const vmstat_text[] = { "compact_daemon_wake", "compact_daemon_migrate_scanned", "compact_daemon_free_scanned", + "compact_cross_zone_migrated", #endif #ifdef CONFIG_HUGETLB_PAGE