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charset="UTF-8" X-Rspamd-Queue-Id: A6CEC180002 X-Rspamd-Server: rspam09 X-Rspam-User: X-Stat-Signature: 9psj8g97zysgdbzagryedd73xg87yozh X-HE-Tag: 1674372509-344535 X-HE-Meta: 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 RKzm92Aq 4p2VizHLHnm4drhvPRTtbEtuT9oVXu2Li/ICnKhEqFpgM9Iomys3QOxlO7DYdSaBEKH/bOvGnhmL+xp6tHS8kzW7HB9L6PoCtcRnaYG1Xd/deyrYCvL5ylSrJvXGcVaI+piM3EvFrRDPuCo4j0xzf7mMwN/YfwQbjOLl7X3dkETfi53YpKqyPMipaJCqzwGXu1tYgMpHbK4LTEgQVhaoDjbGOM8rzMtmF5WxbPPsB8zneWnI= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000998, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi Andrew and Mel, While testing per-vma locks on mm-unstable branch I noticed a sizable regression when running pft-threads test from Mel's mmtests suite: BASE MM_UNSTABLE Hmean faults/sec-1 469201.7282 ( 0.00%) 305002.3892 * -35.00%* Hmean faults/sec-4 1754465.6221 ( 0.00%) 1183736.3124 * -32.53%* Hmean faults/sec-7 2808141.6711 ( 0.00%) 1964469.4590 * -30.04%* Hmean faults/sec-12 3750307.7553 ( 0.00%) 2811359.5393 * -25.04%* Hmean faults/sec-21 4145672.4677 ( 0.00%) 3082305.9582 * -25.65%* Hmean faults/sec-30 3775722.5726 ( 0.00%) 2918088.2083 * -22.71%* Hmean faults/sec-48 4152563.5864 ( 0.00%) 3219418.0414 * -22.47%* Hmean faults/sec-56 4163868.7111 ( 0.00%) 3124612.3198 * -24.96%* This is comparing mm-unstable ToT (c04e06325f11 "mm: multi-gen LRU: simplify lru_gen_look_around()") with 6.2-rc3, which was my previous baseline (both are tested without my patchset). Not sure if this is expected, so sending a warning. If this is unexpected, it would also be great if someone can confirm this is not a fluke on my side. The test machine I use is a NUMA 2-socket Intel Xeon E5-2690-v4 (Broadwell microarchitecture). Command I used to reproduce is: run-mmtests.sh --no-monitor --config configs/config-workload-pft-threads Thanks, Suren.