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Date: Tue, 19 Aug 2014 20:12:30 +0800
From: Fengguang Wu <fengguang.wu@...el.com>
To: Johannes Weiner <hannes@...xchg.org>
Cc: Dave Hansen <dave.hansen@...el.com>,
Linux Memory Management List <linux-mm@...ck.org>,
LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [memcontrol] 05b84301233: +129.9% vm-scalability.throughput, -12.6%
turbostat.Pkg_W
Hi Johannes,
We find interesting multi-thread mmap rand read performance gain and
power reduction on
commit 05b8430123359886ef6a4146fba384e30d771b3f ("mm: memcontrol: use root_mem_cgroup res_counter")
test case: brickland3/vm-scalability/300s-mmap-pread-rand-mt
The test box "brickland3" is Brickland Ivy Bridge-EX with 512G memory,
120 logical CPUs.
692e7c45d95ad10 05b8430123359886ef6a4146f
--------------- -------------------------
0.03 ±100% +12170.5% 3.13 ±50% TOTAL vm-scalability.stddev
1282439 ±10% +129.9% 2947754 ±22% TOTAL vm-scalability.throughput
24056 ±17% +1619.6% 413661 ±40% TOTAL numa-vmstat.node0.nr_active_file
374762 ±13% +403.4% 1886450 ±33% TOTAL numa-vmstat.node3.nr_mapped
26019 ±20% +1798.6% 494013 ±40% TOTAL numa-vmstat.node3.nr_active_file
352052 ±13% +352.0% 1591441 ±33% TOTAL numa-vmstat.node0.nr_mapped
1499575 ±13% +403.4% 7549434 ±33% TOTAL numa-meminfo.node3.Mapped
0.01 ± 0% +6.2e+05% 62.16 ±49% TOTAL perf-profile.cpu-cycles.do_unit
1488742 ±20% +377.0% 7101311 ±33% TOTAL numa-meminfo.node2.Mapped
102414 ±20% +1723.4% 1867451 ±40% TOTAL numa-meminfo.node2.Active(file)
2.37 ±27% +636.7% 17.46 ±35% TOTAL turbostat.%c6
143698 ±16% +1205.1% 1875367 ±36% TOTAL numa-meminfo.node1.Active(file)
151914 ±16% +1273.9% 2087141 ±30% TOTAL numa-meminfo.node1.Active
103946 ±20% +1803.3% 1978406 ±40% TOTAL numa-meminfo.node3.Active(file)
1408602 ±13% +352.1% 6368584 ±33% TOTAL numa-meminfo.node0.Mapped
96122 ±17% +1623.5% 1656668 ±40% TOTAL numa-meminfo.node0.Active(file)
372146 ±20% +376.8% 1774356 ±33% TOTAL numa-vmstat.node2.nr_mapped
35970 ±16% +1201.8% 468251 ±36% TOTAL numa-vmstat.node1.nr_active_file
441937 ±17% +1561.9% 7344724 ±39% TOTAL meminfo.Active(file)
110544 ±17% +1560.6% 1835659 ±39% TOTAL proc-vmstat.nr_active_file
1120643 ± 5% +590.6% 7739311 ±35% TOTAL meminfo.Active
18371498 ± 3% +453.4% 1.017e+08 ±35% TOTAL proc-vmstat.pgfault
25633 ±20% +1719.1% 466289 ±40% TOTAL numa-vmstat.node2.nr_active_file
6658192 ±11% +324.6% 28272474 ±31% TOTAL meminfo.Mapped
1665171 ±11% +324.2% 7063886 ±31% TOTAL proc-vmstat.nr_mapped
2428188 ± 9% +227.6% 7953909 ±30% TOTAL numa-meminfo.node3.FilePages
606895 ± 9% +227.5% 1987651 ±30% TOTAL numa-vmstat.node3.nr_file_pages
569759 ± 5% +219.4% 1819531 ±26% TOTAL numa-vmstat.node1.nr_mapped
2279554 ± 5% +219.4% 7281938 ±26% TOTAL numa-meminfo.node1.Mapped
556008 ±25% +232.5% 1848486 ±32% TOTAL numa-vmstat.node2.nr_file_pages
2224676 ±25% +232.5% 7397397 ±32% TOTAL numa-meminfo.node2.FilePages
533395 ±27% +209.0% 1648097 ±32% TOTAL numa-vmstat.node0.nr_file_pages
2134139 ±27% +209.0% 6594790 ±32% TOTAL numa-meminfo.node0.FilePages
10069745 ±18% +196.2% 29824943 ±28% TOTAL vmstat.memory.cache
10095876 ±18% +195.9% 29875905 ±28% TOTAL meminfo.Cached
2525023 ±18% +195.6% 7464604 ±28% TOTAL proc-vmstat.nr_file_pages
1969114 ±20% +195.7% 5823012 ±28% TOTAL numa-meminfo.node3.Inactive
1962869 ±20% +196.5% 5820705 ±28% TOTAL numa-meminfo.node3.Inactive(file)
490557 ±20% +196.6% 1454975 ±28% TOTAL numa-vmstat.node3.nr_inactive_file
1790247 ±19% +175.7% 4935454 ±29% TOTAL numa-meminfo.node0.Inactive(file)
447375 ±19% +175.8% 1233766 ±29% TOTAL numa-vmstat.node0.nr_inactive_file
1794406 ±19% +175.1% 4936742 ±29% TOTAL numa-meminfo.node0.Inactive
117 ±10% -48.4% 60 ±49% TOTAL proc-vmstat.nr_dirtied
3371503 ± 9% +143.2% 8198318 ±20% TOTAL proc-vmstat.pgactivate
2184713 ±20% +150.4% 5470979 ±26% TOTAL proc-vmstat.nr_inactive_file
8735108 ±20% +150.7% 21899817 ±26% TOTAL meminfo.Inactive(file)
3337503 ±17% +138.4% 7957665 ±22% TOTAL numa-meminfo.node1.FilePages
834094 ±17% +138.4% 1988537 ±22% TOTAL numa-vmstat.node1.nr_file_pages
9002304 ±19% +146.2% 22163923 ±26% TOTAL meminfo.Inactive
5007211 ± 4% +116.0% 10818062 ±22% TOTAL numa-meminfo.node3.MemUsed
4817372 ±11% +112.8% 10252314 ±23% TOTAL numa-meminfo.node2.MemUsed
4748497 ±11% +99.7% 9482674 ±22% TOTAL numa-meminfo.node0.MemUsed
678705 ± 3% -41.9% 394587 ±31% TOTAL meminfo.Active(anon)
169636 ± 3% -41.8% 98684 ±31% TOTAL proc-vmstat.nr_active_anon
3037702 ±18% +86.6% 5666857 ±20% TOTAL numa-meminfo.node1.Inactive(file)
759113 ±18% +86.6% 1416427 ±20% TOTAL numa-vmstat.node1.nr_inactive_file
3.06 ±12% +88.8% 5.77 ±12% TOTAL turbostat.%c1
3191174 ±18% +84.1% 5875267 ±19% TOTAL numa-meminfo.node1.Inactive
6070097 ± 9% +80.0% 10923602 ±16% TOTAL numa-meminfo.node1.MemUsed
162 ± 6% -34.6% 106 ±28% TOTAL proc-vmstat.nr_written
8361 ± 2% +61.1% 13473 ±15% TOTAL uptime.idle
914728 ± 2% -31.3% 628385 ±20% TOTAL meminfo.Shmem
228644 ± 2% -31.3% 157110 ±20% TOTAL proc-vmstat.nr_shmem
93589 ±12% +54.2% 144291 ±12% TOTAL slabinfo.radix_tree_node.num_objs
1670 ±12% +54.2% 2576 ±12% TOTAL slabinfo.radix_tree_node.num_slabs
1670 ±12% +54.2% 2576 ±12% TOTAL slabinfo.radix_tree_node.active_slabs
93251 ±12% +54.0% 143616 ±12% TOTAL slabinfo.radix_tree_node.active_objs
5789 ± 9% +37.5% 7958 ± 4% TOTAL numa-vmstat.node3.nr_slab_reclaimable
23161 ± 9% +37.5% 31844 ± 4% TOTAL numa-meminfo.node3.SReclaimable
2014435 ± 2% -23.4% 1542102 ± 9% TOTAL meminfo.Committed_AS
25777315 ±10% -26.9% 18834186 ± 3% TOTAL softirqs.TIMER
98593 ± 6% +29.1% 127310 ± 8% TOTAL meminfo.SReclaimable
24651 ± 6% +29.1% 31817 ± 8% TOTAL proc-vmstat.nr_slab_reclaimable
114 ± 0% -19.2% 92 ± 8% TOTAL vmstat.procs.r
54218 ± 6% +17.0% 63418 ± 6% TOTAL numa-meminfo.node2.Slab
432162 ± 1% +17.4% 507299 ± 4% TOTAL numa-vmstat.node3.nr_page_table_pages
1729816 ± 1% +17.3% 2029692 ± 4% TOTAL numa-meminfo.node3.PageTables
6918899 ± 1% +16.4% 8056526 ± 3% TOTAL meminfo.PageTables
1730406 ± 1% +16.3% 2012726 ± 3% TOTAL proc-vmstat.nr_page_table_pages
1732736 ± 1% +17.2% 2030910 ± 3% TOTAL numa-meminfo.node0.PageTables
1735229 ± 1% +15.9% 2011761 ± 3% TOTAL numa-meminfo.node2.PageTables
432880 ± 1% +17.2% 507504 ± 3% TOTAL numa-vmstat.node0.nr_page_table_pages
433466 ± 1% +16.0% 502747 ± 3% TOTAL numa-vmstat.node2.nr_page_table_pages
433015 ± 1% +14.5% 495963 ± 3% TOTAL numa-vmstat.node1.nr_page_table_pages
1733140 ± 1% +14.5% 1984694 ± 3% TOTAL numa-meminfo.node1.PageTables
55586 ± 4% +14.6% 63699 ± 5% TOTAL numa-meminfo.node3.Slab
235040 ± 2% +12.0% 263152 ± 3% TOTAL meminfo.Slab
129349 ± 4% -10.5% 115832 ± 7% TOTAL meminfo.DirectMap4k
4428414 ±23% +2068.0% 96008011 ±40% TOTAL time.minor_page_faults
94.57 ± 0% -18.8% 76.76 ± 8% TOTAL turbostat.%c0
11277 ± 0% -18.5% 9191 ± 7% TOTAL time.percent_of_cpu_this_job_got
391 ± 0% -15.1% 332 ± 6% TOTAL turbostat.Cor_W
461 ± 0% -12.6% 403 ± 5% TOTAL turbostat.Pkg_W
208054 ±15% -19.3% 167943 ± 4% TOTAL time.involuntary_context_switches
Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.
Thanks,
Fengguang
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