From: Wu Fengguang Subject: Re: [patch 3/5] mm: try to distribute dirty pages fairly across zones Date: Sat, 29 Oct 2011 04:18:30 +0800 Message-ID: <20111028201829.GA20607@localhost> References: <1317367044-475-1-git-send-email-jweiner@redhat.com> <1317367044-475-4-git-send-email-jweiner@redhat.com> <20110930142805.GC869@tiehlicka.suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Michal Hocko , Andrew Morton , Mel Gorman , Christoph Hellwig , Dave Chinner , Jan Kara , Rik van Riel , Minchan Kim , Chris Mason , Theodore Ts'o , Andreas Dilger , "Li, Shaohua" , "xfs@oss.sgi.com" , "linux-btrfs@vger.kernel.org" , "linux-ext4@vger.kernel.org" , "linux-mm@kvack.org" , "linux-fsdevel@vger.kernel.org" , "linux-kernel@vger.kernel.org" To: Johannes Weiner Return-path: Received: from mga14.intel.com ([143.182.124.37]:11168 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755262Ab1J1USr (ORCPT ); Fri, 28 Oct 2011 16:18:47 -0400 Content-Disposition: inline In-Reply-To: <20110930142805.GC869@tiehlicka.suse.cz> Sender: linux-ext4-owner@vger.kernel.org List-ID: Hi Johannes, I tested this patchset over the IO-less dirty throttling one. The below numbers show that //improvements 1) write bandwidth increased by 1% in general 2) greatly reduced nr_vmscan_immediate_reclaim //regression 3) much increased cpu %user and %system for btrfs Thanks, Fengguang --- kernel before this patchset: 3.1.0-rc9-ioless-full-nfs-wq5-next-20111014+ kernel after this patchset: 3.1.0-rc9-ioless-full-per-zone-dirty-next-20111014+ 3.1.0-rc9-ioless-full-nfs-wq5-next-20111014+ 3.1.0-rc9-ioless-full-per-zone-dirty-next-20111014+ ------------------------ ------------------------ 2056.51 +1.0% 2076.29 TOTAL write_bw 32260625.00 -86.0% 4532517.00 TOTAL nr_vmscan_immediate_reclaim 90.44 +25.7% 113.67 TOTAL cpu_user 113.05 +9.9% 124.25 TOTAL cpu_system 3.1.0-rc9-ioless-full-nfs-wq5-next-20111014+ 3.1.0-rc9-ioless-full-per-zone-dirty-next-20111014+ ------------------------ ------------------------ 52.43 +1.3% 53.12 thresh=1000M/btrfs-100dd-4k-8p-4096M-1000M:10-X 52.72 +0.8% 53.16 thresh=1000M/btrfs-10dd-4k-8p-4096M-1000M:10-X 52.24 +2.7% 53.67 thresh=1000M/btrfs-1dd-4k-8p-4096M-1000M:10-X 35.52 +1.2% 35.94 thresh=1000M/ext3-100dd-4k-8p-4096M-1000M:10-X 39.37 +1.6% 39.98 thresh=1000M/ext3-10dd-4k-8p-4096M-1000M:10-X 47.52 +0.5% 47.75 thresh=1000M/ext3-1dd-4k-8p-4096M-1000M:10-X 47.13 +1.1% 47.64 thresh=1000M/ext4-100dd-4k-8p-4096M-1000M:10-X 52.28 +3.0% 53.86 thresh=1000M/ext4-10dd-4k-8p-4096M-1000M:10-X 54.34 +1.0% 54.87 thresh=1000M/ext4-1dd-4k-8p-4096M-1000M:10-X 47.63 +0.3% 47.78 thresh=1000M/xfs-100dd-4k-8p-4096M-1000M:10-X 51.25 +2.1% 52.34 thresh=1000M/xfs-10dd-4k-8p-4096M-1000M:10-X 52.66 +2.5% 54.00 thresh=1000M/xfs-1dd-4k-8p-4096M-1000M:10-X 54.63 -0.0% 54.63 thresh=100M/btrfs-10dd-4k-8p-4096M-100M:10-X 53.75 +1.0% 54.29 thresh=100M/btrfs-1dd-4k-8p-4096M-100M:10-X 54.14 +0.4% 54.35 thresh=100M/btrfs-2dd-4k-8p-4096M-100M:10-X 36.87 -0.0% 36.86 thresh=100M/ext3-10dd-4k-8p-4096M-100M:10-X 45.20 -0.3% 45.07 thresh=100M/ext3-1dd-4k-8p-4096M-100M:10-X 40.75 -0.6% 40.51 thresh=100M/ext3-2dd-4k-8p-4096M-100M:10-X 44.14 +0.3% 44.29 thresh=100M/ext4-10dd-4k-8p-4096M-100M:10-X 52.91 +0.1% 52.99 thresh=100M/ext4-1dd-4k-8p-4096M-100M:10-X 50.30 +0.8% 50.72 thresh=100M/ext4-2dd-4k-8p-4096M-100M:10-X 44.55 +2.8% 45.80 thresh=100M/xfs-10dd-4k-8p-4096M-100M:10-X 52.75 +4.3% 55.03 thresh=100M/xfs-1dd-4k-8p-4096M-100M:10-X 50.99 +1.7% 51.87 thresh=100M/xfs-2dd-4k-8p-4096M-100M:10-X 37.35 +2.0% 38.11 thresh=10M/btrfs-10dd-4k-8p-4096M-10M:10-X 53.32 +2.3% 54.55 thresh=10M/btrfs-1dd-4k-8p-4096M-10M:10-X 50.72 +3.9% 52.70 thresh=10M/btrfs-2dd-4k-8p-4096M-10M:10-X 32.05 +0.7% 32.27 thresh=10M/ext3-10dd-4k-8p-4096M-10M:10-X 43.91 -1.2% 43.39 thresh=10M/ext3-1dd-4k-8p-4096M-10M:10-X 42.37 +0.3% 42.50 thresh=10M/ext3-2dd-4k-8p-4096M-10M:10-X 35.04 -1.9% 34.36 thresh=10M/ext4-10dd-4k-8p-4096M-10M:10-X 52.93 -0.4% 52.73 thresh=10M/ext4-1dd-4k-8p-4096M-10M:10-X 49.24 -0.0% 49.22 thresh=10M/ext4-2dd-4k-8p-4096M-10M:10-X 30.96 -0.8% 30.73 thresh=10M/xfs-10dd-4k-8p-4096M-10M:10-X 54.30 -0.8% 53.89 thresh=10M/xfs-1dd-4k-8p-4096M-10M:10-X 45.63 +1.2% 46.17 thresh=10M/xfs-2dd-4k-8p-4096M-10M:10-X 1.92 -1.5% 1.89 thresh=1M/btrfs-10dd-4k-8p-4096M-1M:10-X 2.28 +5.9% 2.42 thresh=1M/btrfs-1dd-4k-8p-4096M-1M:10-X 2.07 -1.4% 2.04 thresh=1M/btrfs-2dd-4k-8p-4096M-1M:10-X 25.31 +10.2% 27.88 thresh=1M/ext3-10dd-4k-8p-4096M-1M:10-X 42.95 -0.9% 42.56 thresh=1M/ext3-1dd-4k-8p-4096M-1M:10-X 38.62 -0.9% 38.26 thresh=1M/ext3-2dd-4k-8p-4096M-1M:10-X 30.81 -1.0% 30.51 thresh=1M/ext4-10dd-4k-8p-4096M-1M:10-X 49.72 +0.2% 49.80 thresh=1M/ext4-1dd-4k-8p-4096M-1M:10-X 44.75 -0.3% 44.61 thresh=1M/ext4-2dd-4k-8p-4096M-1M:10-X 27.87 +1.3% 28.23 thresh=1M/xfs-10dd-4k-8p-4096M-1M:10-X 51.05 +1.0% 51.54 thresh=1M/xfs-1dd-4k-8p-4096M-1M:10-X 45.25 +0.3% 45.39 thresh=1M/xfs-2dd-4k-8p-4096M-1M:10-X 2056.51 +1.0% 2076.29 TOTAL write_bw 3.1.0-rc9-ioless-full-nfs-wq5-next-20111014+ 3.1.0-rc9-ioless-full-per-zone-dirty-next-20111014+ ------------------------ ------------------------ 560289.00 -98.5% 8145.00 thresh=1000M/btrfs-100dd-4k-8p-4096M-1000M:10-X 576882.00 -98.4% 9511.00 thresh=1000M/btrfs-10dd-4k-8p-4096M-1000M:10-X 651258.00 -98.8% 7963.00 thresh=1000M/btrfs-1dd-4k-8p-4096M-1000M:10-X 1963294.00 -85.4% 286815.00 thresh=1000M/ext3-100dd-4k-8p-4096M-1000M:10-X 2108028.00 -10.6% 1885114.00 thresh=1000M/ext3-10dd-4k-8p-4096M-1000M:10-X 2499456.00 -99.9% 2061.00 thresh=1000M/ext3-1dd-4k-8p-4096M-1000M:10-X 2534868.00 -78.5% 545815.00 thresh=1000M/ext4-100dd-4k-8p-4096M-1000M:10-X 2921668.00 -76.8% 677177.00 thresh=1000M/ext4-10dd-4k-8p-4096M-1000M:10-X 2841049.00 -100.0% 779.00 thresh=1000M/ext4-1dd-4k-8p-4096M-1000M:10-X 2481823.00 -86.3% 339342.00 thresh=1000M/xfs-100dd-4k-8p-4096M-1000M:10-X 2508629.00 -87.4% 316614.00 thresh=1000M/xfs-10dd-4k-8p-4096M-1000M:10-X 2656628.00 -100.0% 678.00 thresh=1000M/xfs-1dd-4k-8p-4096M-1000M:10-X 466024.00 -98.9% 5263.00 thresh=100M/btrfs-10dd-4k-8p-4096M-100M:10-X 460626.00 -99.6% 1853.00 thresh=100M/btrfs-1dd-4k-8p-4096M-100M:10-X 454364.00 -99.3% 2959.00 thresh=100M/btrfs-2dd-4k-8p-4096M-100M:10-X 682975.00 -89.3% 73185.00 thresh=100M/ext3-10dd-4k-8p-4096M-100M:10-X 787717.00 -99.7% 2648.00 thresh=100M/ext3-1dd-4k-8p-4096M-100M:10-X 611101.00 -99.2% 4629.00 thresh=100M/ext3-2dd-4k-8p-4096M-100M:10-X 555841.00 -87.9% 67433.00 thresh=100M/ext4-10dd-4k-8p-4096M-100M:10-X 475452.00 -99.9% 311.00 thresh=100M/ext4-1dd-4k-8p-4096M-100M:10-X 501009.00 -97.9% 10608.00 thresh=100M/ext4-2dd-4k-8p-4096M-100M:10-X 362202.00 -82.4% 63873.00 thresh=100M/xfs-10dd-4k-8p-4096M-100M:10-X 716571.00 0.00 thresh=100M/xfs-1dd-4k-8p-4096M-100M:10-X 621495.00 -93.9% 38030.00 thresh=100M/xfs-2dd-4k-8p-4096M-100M:10-X 4463.00 -81.2% 839.00 thresh=10M/btrfs-10dd-4k-8p-4096M-10M:10-X 18824.00 -97.4% 490.00 thresh=10M/btrfs-1dd-4k-8p-4096M-10M:10-X 12486.00 -94.1% 736.00 thresh=10M/btrfs-2dd-4k-8p-4096M-10M:10-X 43396.00 -70.2% 12945.00 thresh=10M/ext3-10dd-4k-8p-4096M-10M:10-X 109247.00 -100.0% 42.00 thresh=10M/ext3-1dd-4k-8p-4096M-10M:10-X 92196.00 -100.0% 15.00 thresh=10M/ext3-2dd-4k-8p-4096M-10M:10-X 44717.00 -52.9% 21078.00 thresh=10M/ext4-10dd-4k-8p-4096M-10M:10-X 87977.00 0.00 thresh=10M/ext4-1dd-4k-8p-4096M-10M:10-X 130864.00 -98.9% 1381.00 thresh=10M/ext4-2dd-4k-8p-4096M-10M:10-X 35133.00 -99.9% 52.00 thresh=10M/xfs-10dd-4k-8p-4096M-10M:10-X 117181.00 -100.0% 10.00 thresh=10M/xfs-1dd-4k-8p-4096M-10M:10-X 133795.00 -79.3% 27705.00 thresh=10M/xfs-2dd-4k-8p-4096M-10M:10-X 0.00 0.00 thresh=1M/btrfs-10dd-4k-8p-4096M-1M:10-X 5.00 0.00 thresh=1M/btrfs-1dd-4k-8p-4096M-1M:10-X 0.00 0.00 thresh=1M/btrfs-2dd-4k-8p-4096M-1M:10-X 34914.00 -62.8% 12983.00 thresh=1M/ext3-10dd-4k-8p-4096M-1M:10-X 73497.00 0.00 thresh=1M/ext3-1dd-4k-8p-4096M-1M:10-X 52923.00 -68.0% 16922.00 thresh=1M/ext3-2dd-4k-8p-4096M-1M:10-X 40172.00 -65.8% 13750.00 thresh=1M/ext4-10dd-4k-8p-4096M-1M:10-X 60073.00 -79.0% 12601.00 thresh=1M/ext4-1dd-4k-8p-4096M-1M:10-X 58565.00 -69.8% 17690.00 thresh=1M/ext4-2dd-4k-8p-4096M-1M:10-X 21840.00 -50.8% 10744.00 thresh=1M/xfs-10dd-4k-8p-4096M-1M:10-X 46227.00 -65.2% 16103.00 thresh=1M/xfs-1dd-4k-8p-4096M-1M:10-X 42881.00 -63.6% 15625.00 thresh=1M/xfs-2dd-4k-8p-4096M-1M:10-X 32260625.00 -86.0% 4532517.00 TOTAL nr_vmscan_immediate_reclaim 3.1.0-rc9-ioless-full-nfs-wq5-next-20111014+ 3.1.0-rc9-ioless-full-per-zone-dirty-next-20111014+ ------------------------ ------------------------ 4.46 +48.6% 6.62 thresh=1000M/btrfs-100dd-4k-8p-4096M-1000M:10-X 0.92 +261.7% 3.34 thresh=1000M/btrfs-10dd-4k-8p-4096M-1000M:10-X 1.12 +222.2% 3.61 thresh=1000M/btrfs-1dd-4k-8p-4096M-1000M:10-X 2.59 -14.3% 2.22 thresh=1000M/ext3-100dd-4k-8p-4096M-1000M:10-X 0.68 -0.6% 0.67 thresh=1000M/ext3-10dd-4k-8p-4096M-1000M:10-X 0.67 -3.2% 0.64 thresh=1000M/ext3-1dd-4k-8p-4096M-1000M:10-X 2.84 +1.9% 2.89 thresh=1000M/ext4-100dd-4k-8p-4096M-1000M:10-X 0.70 +1.7% 0.71 thresh=1000M/ext4-10dd-4k-8p-4096M-1000M:10-X 0.70 -6.3% 0.66 thresh=1000M/ext4-1dd-4k-8p-4096M-1000M:10-X 2.86 +1.5% 2.91 thresh=1000M/xfs-100dd-4k-8p-4096M-1000M:10-X 0.75 -0.5% 0.75 thresh=1000M/xfs-10dd-4k-8p-4096M-1000M:10-X 0.96 -4.0% 0.92 thresh=1000M/xfs-1dd-4k-8p-4096M-1000M:10-X 1.15 +229.7% 3.79 thresh=100M/btrfs-10dd-4k-8p-4096M-100M:10-X 0.95 +269.8% 3.50 thresh=100M/btrfs-1dd-4k-8p-4096M-100M:10-X 0.84 +309.1% 3.45 thresh=100M/btrfs-2dd-4k-8p-4096M-100M:10-X 0.76 -0.8% 0.76 thresh=100M/ext3-10dd-4k-8p-4096M-100M:10-X 0.73 -5.5% 0.69 thresh=100M/ext3-1dd-4k-8p-4096M-100M:10-X 0.66 -5.3% 0.62 thresh=100M/ext3-2dd-4k-8p-4096M-100M:10-X 0.89 +2.0% 0.91 thresh=100M/ext4-10dd-4k-8p-4096M-100M:10-X 0.75 -7.0% 0.70 thresh=100M/ext4-1dd-4k-8p-4096M-100M:10-X 0.74 -4.5% 0.71 thresh=100M/ext4-2dd-4k-8p-4096M-100M:10-X 0.92 +1.1% 0.93 thresh=100M/xfs-10dd-4k-8p-4096M-100M:10-X 0.99 -4.4% 0.95 thresh=100M/xfs-1dd-4k-8p-4096M-100M:10-X 0.91 -2.2% 0.89 thresh=100M/xfs-2dd-4k-8p-4096M-100M:10-X 2.51 +107.7% 5.21 thresh=10M/btrfs-10dd-4k-8p-4096M-10M:10-X 2.46 +103.1% 4.99 thresh=10M/btrfs-1dd-4k-8p-4096M-10M:10-X 2.33 +113.0% 4.97 thresh=10M/btrfs-2dd-4k-8p-4096M-10M:10-X 1.52 +0.2% 1.53 thresh=10M/ext3-10dd-4k-8p-4096M-10M:10-X 2.07 -1.4% 2.04 thresh=10M/ext3-1dd-4k-8p-4096M-10M:10-X 1.92 -0.1% 1.92 thresh=10M/ext3-2dd-4k-8p-4096M-10M:10-X 1.66 -3.2% 1.61 thresh=10M/ext4-10dd-4k-8p-4096M-10M:10-X 2.48 -0.8% 2.46 thresh=10M/ext4-1dd-4k-8p-4096M-10M:10-X 2.22 -1.2% 2.19 thresh=10M/ext4-2dd-4k-8p-4096M-10M:10-X 1.51 -1.4% 1.49 thresh=10M/xfs-10dd-4k-8p-4096M-10M:10-X 2.04 -1.8% 2.00 thresh=10M/xfs-1dd-4k-8p-4096M-10M:10-X 1.80 +1.5% 1.82 thresh=10M/xfs-2dd-4k-8p-4096M-10M:10-X 2.72 +13.0% 3.08 thresh=1M/btrfs-10dd-4k-8p-4096M-1M:10-X 1.05 +15.4% 1.21 thresh=1M/btrfs-1dd-4k-8p-4096M-1M:10-X 1.07 +16.5% 1.25 thresh=1M/btrfs-2dd-4k-8p-4096M-1M:10-X 4.58 +7.6% 4.93 thresh=1M/ext3-10dd-4k-8p-4096M-1M:10-X 2.49 -0.3% 2.49 thresh=1M/ext3-1dd-4k-8p-4096M-1M:10-X 2.81 +0.8% 2.83 thresh=1M/ext3-2dd-4k-8p-4096M-1M:10-X 5.25 +1.7% 5.34 thresh=1M/ext4-10dd-4k-8p-4096M-1M:10-X 2.52 +1.4% 2.56 thresh=1M/ext4-1dd-4k-8p-4096M-1M:10-X 2.83 -0.4% 2.82 thresh=1M/ext4-2dd-4k-8p-4096M-1M:10-X 5.11 +1.5% 5.19 thresh=1M/xfs-10dd-4k-8p-4096M-1M:10-X 2.81 -0.1% 2.81 thresh=1M/xfs-1dd-4k-8p-4096M-1M:10-X 3.11 -0.6% 3.09 thresh=1M/xfs-2dd-4k-8p-4096M-1M:10-X 90.44 +25.7% 113.67 TOTAL cpu_user 3.1.0-rc9-ioless-full-nfs-wq5-next-20111014+ 3.1.0-rc9-ioless-full-per-zone-dirty-next-20111014+ ------------------------ ------------------------ 6.49 +20.1% 7.79 thresh=1000M/btrfs-100dd-4k-8p-4096M-1000M:10-X 5.24 +26.9% 6.65 thresh=1000M/btrfs-10dd-4k-8p-4096M-1000M:10-X 6.16 +22.0% 7.51 thresh=1000M/btrfs-1dd-4k-8p-4096M-1000M:10-X 1.15 -12.3% 1.01 thresh=1000M/ext3-100dd-4k-8p-4096M-1000M:10-X 0.71 +1.5% 0.72 thresh=1000M/ext3-10dd-4k-8p-4096M-1000M:10-X 2.15 -3.2% 2.08 thresh=1000M/ext3-1dd-4k-8p-4096M-1000M:10-X 1.29 +1.1% 1.31 thresh=1000M/ext4-100dd-4k-8p-4096M-1000M:10-X 0.84 +0.1% 0.84 thresh=1000M/ext4-10dd-4k-8p-4096M-1000M:10-X 2.10 -1.9% 2.06 thresh=1000M/ext4-1dd-4k-8p-4096M-1000M:10-X 1.24 -0.5% 1.23 thresh=1000M/xfs-100dd-4k-8p-4096M-1000M:10-X 0.65 +1.6% 0.66 thresh=1000M/xfs-10dd-4k-8p-4096M-1000M:10-X 1.77 +3.5% 1.83 thresh=1000M/xfs-1dd-4k-8p-4096M-1000M:10-X 5.38 +22.5% 6.59 thresh=100M/btrfs-10dd-4k-8p-4096M-100M:10-X 6.05 +19.7% 7.25 thresh=100M/btrfs-1dd-4k-8p-4096M-100M:10-X 5.99 +18.9% 7.13 thresh=100M/btrfs-2dd-4k-8p-4096M-100M:10-X 0.71 +2.8% 0.73 thresh=100M/ext3-10dd-4k-8p-4096M-100M:10-X 2.28 -1.3% 2.25 thresh=100M/ext3-1dd-4k-8p-4096M-100M:10-X 1.88 -2.0% 1.85 thresh=100M/ext3-2dd-4k-8p-4096M-100M:10-X 0.68 -1.1% 0.67 thresh=100M/ext4-10dd-4k-8p-4096M-100M:10-X 1.65 +0.4% 1.66 thresh=100M/ext4-1dd-4k-8p-4096M-100M:10-X 1.51 -2.9% 1.47 thresh=100M/ext4-2dd-4k-8p-4096M-100M:10-X 0.63 +2.9% 0.65 thresh=100M/xfs-10dd-4k-8p-4096M-100M:10-X 1.87 +1.7% 1.90 thresh=100M/xfs-1dd-4k-8p-4096M-100M:10-X 1.70 -1.4% 1.68 thresh=100M/xfs-2dd-4k-8p-4096M-100M:10-X 5.31 +25.7% 6.67 thresh=10M/btrfs-10dd-4k-8p-4096M-10M:10-X 5.50 +21.3% 6.67 thresh=10M/btrfs-1dd-4k-8p-4096M-10M:10-X 5.74 +20.8% 6.94 thresh=10M/btrfs-2dd-4k-8p-4096M-10M:10-X 0.85 -0.6% 0.84 thresh=10M/ext3-10dd-4k-8p-4096M-10M:10-X 1.41 -4.4% 1.35 thresh=10M/ext3-1dd-4k-8p-4096M-10M:10-X 1.43 -2.7% 1.40 thresh=10M/ext3-2dd-4k-8p-4096M-10M:10-X 0.77 -3.0% 0.75 thresh=10M/ext4-10dd-4k-8p-4096M-10M:10-X 1.39 -3.3% 1.35 thresh=10M/ext4-1dd-4k-8p-4096M-10M:10-X 1.37 -5.1% 1.30 thresh=10M/ext4-2dd-4k-8p-4096M-10M:10-X 0.70 -2.5% 0.68 thresh=10M/xfs-10dd-4k-8p-4096M-10M:10-X 2.11 -3.7% 2.03 thresh=10M/xfs-1dd-4k-8p-4096M-10M:10-X 1.77 -1.0% 1.75 thresh=10M/xfs-2dd-4k-8p-4096M-10M:10-X 0.86 +10.3% 0.94 thresh=1M/btrfs-10dd-4k-8p-4096M-1M:10-X 0.66 +14.0% 0.76 thresh=1M/btrfs-1dd-4k-8p-4096M-1M:10-X 0.57 +11.8% 0.63 thresh=1M/btrfs-2dd-4k-8p-4096M-1M:10-X 1.89 +8.8% 2.06 thresh=1M/ext3-10dd-4k-8p-4096M-1M:10-X 3.20 -0.5% 3.19 thresh=1M/ext3-1dd-4k-8p-4096M-1M:10-X 2.77 +0.1% 2.77 thresh=1M/ext3-2dd-4k-8p-4096M-1M:10-X 2.00 +0.3% 2.01 thresh=1M/ext4-10dd-4k-8p-4096M-1M:10-X 3.16 +1.5% 3.21 thresh=1M/ext4-1dd-4k-8p-4096M-1M:10-X 2.52 -0.9% 2.50 thresh=1M/ext4-2dd-4k-8p-4096M-1M:10-X 1.84 +0.7% 1.85 thresh=1M/xfs-10dd-4k-8p-4096M-1M:10-X 2.82 +0.3% 2.82 thresh=1M/xfs-1dd-4k-8p-4096M-1M:10-X 2.27 -0.3% 2.26 thresh=1M/xfs-2dd-4k-8p-4096M-1M:10-X 113.05 +9.9% 124.25 TOTAL cpu_system