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SubjectRe: [PATCH 0/3] Use an alternative to _PAGE_PROTNONE for _PAGE_NUMA v4
On Tue, Apr 15, 2014 at 03:41:13PM +0100, Mel Gorman wrote:
> Fengguang Wu found that an earlier version crashed on his
> tests. This version passed tests running with DEBUG_VM and
> DEBUG_PAGEALLOC. Fengguang, another test would be appreciated and
> if it helps this series is the mm-numa-use-high-bit-v4r3 branch in
> git://git.kernel.org/pub/scm/linux/kernel/git/mel/linux-balancenuma.git

Hi Mel,

We noticed the below changes. The last_state.is_incomplete_run 0=>1 change
means the test box failed to boot up. Unfortunately we don't have
serial console output of this testbox, it may be hard to check the
root cause. Anyway, I'll try to bisect it to make the debug easier.

Fengguang

v3.14 685561ea2d015cb90c45504ec
--------------- -------------------------
864.70 ~ 5% -27.5% 627.28 snb-drag/sysbench/fileio/600s-100%-1HDD-ext4-64G-1024-seqwr-sync
178.20 ~104% -99.9% 0.13 snb-drag/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-rndwr-sync
1042.90 ~22% -39.8% 627.41 TOTAL fileio.request_latency_max_ms

v3.14 685561ea2d015cb90c45504ec
--------------- -------------------------
0 +Inf% 1 ~ 0% lkp-a04/fake/boot/1
0 +Inf% 1 ~ 0% TOTAL last_state.is_incomplete_run

v3.14 685561ea2d015cb90c45504ec
--------------- -------------------------
10 ~10% +1560.0% 166 lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd
10 ~10% +1560.0% 166 TOTAL ftrace.writeback_single_inode.sdg.age

v3.14 685561ea2d015cb90c45504ec
--------------- -------------------------
9662 ~19% +17955.3% 1744594 lkp-snb01/micro/hackbench/1600%-process-socket
4235 ~22% +6497.6% 279443 lkp-snb01/micro/hackbench/1600%-threads-socket
3842 ~ 4% +1468.7% 60278 lkp-snb01/micro/hackbench/50%-process-pipe
17181 ~ 3% +393.1% 84722 lkp-snb01/micro/hackbench/50%-process-socket
34922 ~10% +6111.0% 2169037 TOTAL cpuidle.POLL.time

v3.14 685561ea2d015cb90c45504ec
--------------- -------------------------
34 ~ 1% +61.8% 56 lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd
34 ~ 1% +61.8% 56 TOTAL ftrace.balance_dirty_pages.sdl.period

v3.14 685561ea2d015cb90c45504ec
--------------- -------------------------
312 ~ 0% -10.4% 280 snb-drag/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-rndwr-sync
312 ~ 0% -10.4% 280 TOTAL vmstat.memory.buff

v3.14 685561ea2d015cb90c45504ec
--------------- -------------------------
350 ~ 3% +3056.4% 11057 lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-100dd
340 ~ 2% +1792.2% 6443 lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-10dd
690 ~ 3% +2433.3% 17500 TOTAL interrupts.125:PCI-MSI-edge.eth1-TxRx-4

v3.14 685561ea2d015cb90c45504ec
--------------- -------------------------
310 ~ 1% +2021.3% 6595 lkp-ws02/micro/dd-write/11HDD-JBOD-cfq-ext4-1dd
310 ~ 1% +2021.3% 6595 TOTAL interrupts.127:PCI-MSI-edge.eth1-TxRx-6

v3.14 685561ea2d015cb90c45504ec
--------------- -------------------------
157 ~ 4% +118.4% 344 lkp-sb03/micro/nepim/300s-100%-udp
157 ~ 4% +118.4% 344 TOTAL interrupts.101:PCI-MSI-edge.eth1-TxRx-1

v3.14 685561ea2d015cb90c45504ec
--------------- -------------------------
40.55 ~ 0% -50.6% 20.02 lkp-a05/fake/boot/1
40.55 ~ 0% -50.6% 20.02 TOTAL boottime.dhcp

v3.14 685561ea2d015cb90c45504ec
--------------- -------------------------
60.79 ~ 0% -47.8% 31.74 lkp-a05/fake/boot/1
60.79 ~ 0% -47.8% 31.74 TOTAL boottime.boot

v3.14 685561ea2d015cb90c45504ec
--------------- -------------------------
186 ~ 0% -46.1% 100 lkp-a05/fake/boot/1
186 ~ 0% -46.1% 100 TOTAL boottime.idle

v3.14 685561ea2d015cb90c45504ec
--------------- -------------------------
157 ~ 3% +84.7% 290 lkp-a05/micro/iperf/300s-tcp
157 ~ 3% +84.7% 290 TOTAL interrupts.50:PCI-MSI-edge.eth0-tx-0

v3.14 685561ea2d015cb90c45504ec
--------------- -------------------------
212639 ~ 1% +48.1% 314887 lkp-sb03/micro/nepim/300s-25%-udp
212639 ~ 1% +48.1% 314887 TOTAL interrupts.LOC

v3.14 685561ea2d015cb90c45504ec
--------------- -------------------------
207 ~ 2% +35.8% 282 lkp-a05/micro/iperf/300s-tcp
207 ~ 2% +35.8% 282 TOTAL interrupts.47:PCI-MSI-edge.eth0-rx-1



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