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Date: Wed, 29 Jan 2014 16:26:27 +0800
From: Fengguang Wu <fengguang.wu@...el.com>
To: Dave Hansen <dave.hansen@...el.com>
Cc: LKML <linux-kernel@...r.kernel.org>, lkp@...ux.intel.com
Subject: Re: [slub shrink] 0f6934bf16: +191.9% vmstat.system.cs
Hi Dave,
I got more complete results for
https://github.com/hansendc/linux.git slub-reshrink-for-Fengguang-20140113,
It looks mostly good. There are regressions in
- netperf.Throughput_Mbps
- dbench.throughput-MB/sec
- xfstests.generic.256.seconds
However the others are all improvements.
9a0bb2966efbf30 0f6934bf1695682e7ced973f6
--------------- -------------------------
5766 ~42% -79.3% 1196 ~ 8% TOTAL fileio.request_latency_max_ms
11 ~44% -73.5% 3 ~27% TOTAL xfstests.generic.275.seconds
132 ~37% -56.8% 57 ~10% TOTAL xfstests.xfs.229.seconds
13 ~47% -60.0% 5 ~ 8% TOTAL xfstests.xfs.206.seconds
513.33 ~ 9% +8.2% 555.35 ~ 0% TOTAL pigz.throughput
44 ~ 9% +29.3% 57 ~16% TOTAL xfstests.generic.256.seconds
32321 ~ 7% +14.4% 36987 ~ 9% TOTAL fileio.requests_per_sec
15.26 ~ 3% +19.7% 18.26 ~ 4% TOTAL oltp.request_latency_max_ms
64742 ~ 6% -10.1% 58179 ~ 4% TOTAL netperf.Throughput_Mbps
98 ~ 0% +2.7% 101 ~ 0% TOTAL ebizzy.throughput.per_thread.max
167137 ~ 4% +5.7% 176639 ~ 1% TOTAL netperf.Throughput_tps
2276278 ~ 1% +0.2% 2279724 ~ 1% TOTAL aim7.2000.jobs-per-min
11213 ~ 0% +2.1% 11454 ~ 0% TOTAL ebizzy.throughput
908470 ~ 0% +0.3% 911314 ~ 0% TOTAL hackbench.throughput
8228 ~ 0% -1.1% 8142 ~ 0% TOTAL dbench.throughput-MB/sec
161604 ~ 5% +11.0% 179405 ~ 4% TOTAL iostat.md0.wkB/s
Per test case numbers:
9a0bb2966efbf30 0f6934bf1695682e7ced973f6
--------------- -------------------------
5766 ~42% -79.3% 1196 ~ 8% kbuildx/sysbench/fileio/600s-100%-1HDD-ext4-64G-1024-rndrw-sync
5766 ~42% -79.3% 1196 ~ 8% TOTAL fileio.request_latency_max_ms
9a0bb2966efbf30 0f6934bf1695682e7ced973f6
--------------- -------------------------
11 ~44% -73.5% 3 ~27% vpx/micro/xfstests/4HDD-btrfs-generic-mid
11 ~44% -73.5% 3 ~27% TOTAL xfstests.generic.275.seconds
9a0bb2966efbf30 0f6934bf1695682e7ced973f6
--------------- -------------------------
132 ~37% -56.8% 57 ~10% vpx/micro/xfstests/4HDD-xfs-xfs
132 ~37% -56.8% 57 ~10% TOTAL xfstests.xfs.229.seconds
9a0bb2966efbf30 0f6934bf1695682e7ced973f6
--------------- -------------------------
13 ~47% -60.0% 5 ~ 8% vpx/micro/xfstests/4HDD-xfs-xfs
13 ~47% -60.0% 5 ~ 8% TOTAL xfstests.xfs.206.seconds
9a0bb2966efbf30 0f6934bf1695682e7ced973f6
--------------- -------------------------
464.80 ~ 7% +5.6% 490.73 ~ 0% grantley/micro/pigz/100%
48.53 ~24% +33.1% 64.62 ~ 6% kbuildx/micro/pigz/100%
513.33 ~ 9% +8.2% 555.35 ~ 0% TOTAL pigz.throughput
9a0bb2966efbf30 0f6934bf1695682e7ced973f6
--------------- -------------------------
18 ~10% +41.8% 26 ~28% vpx/micro/xfstests/4HDD-ext4-generic-mid
26 ~ 9% +20.5% 31 ~ 5% vpx/micro/xfstests/4HDD-xfs-generic-mid
44 ~ 9% +29.3% 57 ~16% TOTAL xfstests.generic.256.seconds
9a0bb2966efbf30 0f6934bf1695682e7ced973f6
--------------- -------------------------
156 ~ 0% -1.7% 153 ~ 0% kbuildx/sysbench/fileio/600s-100%-1HDD-btrfs-64G-1024-rndrw-sync
10766 ~ 5% +8.5% 11677 ~ 6% kbuildx/sysbench/fileio/600s-100%-1HDD-btrfs-64G-1024-seqrewr-sync
10368 ~15% +30.8% 13560 ~13% kbuildx/sysbench/fileio/600s-100%-1HDD-btrfs-64G-1024-seqwr-sync
124 ~ 3% +36.2% 169 ~11% kbuildx/sysbench/fileio/600s-100%-1HDD-ext4-64G-1024-rndrd-sync
943 ~ 2% +84.0% 1736 ~40% kbuildx/sysbench/fileio/600s-100%-1HDD-ext4-64G-1024-rndwr-sync
9962 ~ 0% -2.7% 9689 ~ 1% kbuildx/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqrd-sync
32321 ~ 7% +14.4% 36987 ~ 9% TOTAL fileio.requests_per_sec
9a0bb2966efbf30 0f6934bf1695682e7ced973f6
--------------- -------------------------
15.26 ~ 3% +19.7% 18.26 ~ 4% nhm-white/sysbench/oltp/600s-100%-1000000
15.26 ~ 3% +19.7% 18.26 ~ 4% TOTAL oltp.request_latency_max_ms
9a0bb2966efbf30 0f6934bf1695682e7ced973f6
--------------- -------------------------
7715 ~ 9% -22.2% 6002 ~16% kbuildx/micro/netperf/120s-200%-TCP_MAERTS
17374 ~11% -16.0% 14591 ~ 6% kbuildx/micro/netperf/120s-200%-TCP_SENDFILE
1650 ~ 0% -0.7% 1639 ~ 0% lkp-a04/micro/netperf/120s-200%-TCP_SENDFILE
559 ~ 0% -1.3% 552 ~ 0% lkp-a04/micro/netperf/120s-200%-TCP_STREAM
1803 ~18% -45.9% 975 ~ 4% lkp-nex04/micro/netperf/120s-200%-TCP_MAERTS
5789 ~ 1% -4.1% 5551 ~ 0% lkp-nex04/micro/netperf/120s-200%-TCP_SENDFILE
3779 ~ 4% -16.2% 3168 ~ 2% lkp-sb03/micro/netperf/120s-200%-TCP_MAERTS
9067 ~ 1% +2.6% 9299 ~ 0% lkp-sb03/micro/netperf/120s-200%-TCP_SENDFILE
3815 ~14% -29.2% 2699 ~ 6% lkp-sbx04/micro/netperf/120s-200%-TCP_MAERTS
7911 ~ 1% +7.5% 8507 ~ 0% lkp-sbx04/micro/netperf/120s-200%-TCP_SENDFILE
3215 ~ 0% -2.1% 3149 ~ 1% lkp-t410/micro/netperf/120s-200%-TCP_SENDFILE
2061 ~ 0% -0.8% 2044 ~ 0% lkp-t410/micro/netperf/120s-200%-TCP_STREAM
64742 ~ 6% -10.1% 58179 ~ 4% TOTAL netperf.Throughput_Mbps
9a0bb2966efbf30 0f6934bf1695682e7ced973f6
--------------- -------------------------
98 ~ 0% +2.7% 101 ~ 0% lkp-nex04/micro/ebizzy/200%-100-10
98 ~ 0% +2.7% 101 ~ 0% TOTAL ebizzy.throughput.per_thread.max
9a0bb2966efbf30 0f6934bf1695682e7ced973f6
--------------- -------------------------
26638 ~27% +27.2% 33873 ~ 7% kbuildx/micro/netperf/120s-200%-TCP_RR
945 ~ 0% -0.8% 937 ~ 0% lkp-a04/micro/netperf/120s-200%-TCP_CRR
5622 ~ 0% +1.8% 5723 ~ 0% lkp-a04/micro/netperf/120s-200%-TCP_RR
6984 ~ 0% -1.4% 6887 ~ 0% lkp-a04/micro/netperf/120s-200%-UDP_RR
20449 ~ 0% -3.4% 19746 ~ 0% lkp-nex04/micro/netperf/120s-200%-TCP_RR
10584 ~ 1% +3.9% 10998 ~ 1% lkp-nex04/micro/netperf/120s-200%-UDP_RR
5161 ~ 0% +1.0% 5212 ~ 0% lkp-sb03/micro/netperf/120s-200%-TCP_CRR
30302 ~ 0% +5.0% 31831 ~ 0% lkp-sb03/micro/netperf/120s-200%-TCP_RR
4425 ~ 0% +0.8% 4462 ~ 0% lkp-sbx04/micro/netperf/120s-200%-TCP_CRR
28254 ~ 0% +4.9% 29631 ~ 0% lkp-sbx04/micro/netperf/120s-200%-TCP_RR
2060 ~ 0% -0.8% 2044 ~ 0% lkp-t410/micro/netperf/120s-200%-TCP_CRR
11493 ~ 0% -2.7% 11181 ~ 0% lkp-t410/micro/netperf/120s-200%-TCP_RR
14217 ~ 0% -0.8% 14110 ~ 0% lkp-t410/micro/netperf/120s-200%-UDP_RR
167137 ~ 4% +5.7% 176639 ~ 1% TOTAL netperf.Throughput_tps
9a0bb2966efbf30 0f6934bf1695682e7ced973f6
--------------- -------------------------
116376 ~ 0% +2.4% 119126 ~ 0% lkp-ne04/micro/aim7/brk_test
22916 ~ 0% -0.9% 22700 ~ 0% lkp-ne04/micro/aim7/fork_test
615267 ~ 3% +3.2% 634727 ~ 3% lkp-ne04/micro/aim7/misc_rtns_1
293454 ~ 0% -0.6% 291796 ~ 0% lkp-snb01/micro/aim7/dbase
309821 ~ 0% -0.4% 308453 ~ 0% lkp-snb01/micro/aim7/shared
69669 ~ 0% +1.5% 70711 ~ 0% nhm-white/micro/aim7/brk_test
120211 ~ 2% -8.7% 109778 ~ 4% nhm-white/micro/aim7/creat-clo
77083 ~ 0% +0.8% 77709 ~ 0% nhm-white/micro/aim7/exec_test
371798 ~ 0% -2.9% 360987 ~ 1% nhm-white/micro/aim7/link_test
90481 ~ 0% +0.4% 90805 ~ 0% nhm-white/micro/aim7/shell_rtns_1
189196 ~ 0% +2.0% 192926 ~ 0% nhm-white/micro/aim7/signal_test
2276278 ~ 1% +0.2% 2279724 ~ 1% TOTAL aim7.2000.jobs-per-min
9a0bb2966efbf30 0f6934bf1695682e7ced973f6
--------------- -------------------------
11213 ~ 0% +2.1% 11454 ~ 0% lkp-nex04/micro/ebizzy/200%-100-10
11213 ~ 0% +2.1% 11454 ~ 0% TOTAL ebizzy.throughput
9a0bb2966efbf30 0f6934bf1695682e7ced973f6
--------------- -------------------------
172715 ~ 0% +0.9% 174317 ~ 0% lkp-snb01/micro/hackbench/0-___nr_node-1__-0-___nr_cpu-1__-1600%-threads-pipe
157456 ~ 0% -1.3% 155387 ~ 0% lkp-snb01/micro/hackbench/1600%-process-socket
172416 ~ 0% +1.5% 175030 ~ 0% lkp-snb01/micro/hackbench/1600%-threads-pipe
161696 ~ 0% -0.2% 161303 ~ 0% lkp-snb01/micro/hackbench/1600%-threads-socket
83983 ~ 0% +1.8% 85523 ~ 1% xps2/micro/hackbench/1600%-process-pipe
41791 ~ 0% -0.7% 41520 ~ 0% xps2/micro/hackbench/1600%-process-socket
77821 ~ 0% +1.1% 78657 ~ 0% xps2/micro/hackbench/1600%-threads-pipe
40588 ~ 0% -2.5% 39575 ~ 0% xps2/micro/hackbench/1600%-threads-socket
908470 ~ 0% +0.3% 911314 ~ 0% TOTAL hackbench.throughput
9a0bb2966efbf30 0f6934bf1695682e7ced973f6
--------------- -------------------------
8228 ~ 0% -1.1% 8142 ~ 0% nhm8/micro/dbench/100%
8228 ~ 0% -1.1% 8142 ~ 0% TOTAL dbench.throughput-MB/sec
9a0bb2966efbf30 0f6934bf1695682e7ced973f6
--------------- -------------------------
161604 ~ 5% +11.0% 179405 ~ 4% kbuildx/micro/dd-write/4HDD-RAID0-cfq-ext4-1dd
161604 ~ 5% +11.0% 179405 ~ 4% TOTAL iostat.md0.wkB/s
Thanks,
Fengguang
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