changes caused by 0d11e6ac("blk-mq: fix use-after-free of request")

From: Yuanhan Liu
Date: Wed Dec 18 2013 - 03:49:21 EST


Hi,

FYI, we noticed some changes caused by 0d11e6ac("blk-mq: fix use-after-free of request"):

- 959a35f13eb785f982d7 is parent of 0d11e6aca396e679c07b
- kbuildx and vpx are KVM testbox

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
40592.80 +314.1% 168112.22 kbuildx/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqrewr-sync
19763.87 +941.6% 205868.32 kbuildx/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqwr-sync
60356.68 +519.6% 373980.55 TOTAL iostat.vdb.wkB/s

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.64 +345.7% 2.87 kbuildx/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqrewr-sync
0.64 +345.7% 2.87 TOTAL iostat.vdb.wrqm/s

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 303.01 vpx/micro/xfstests/4HDD-btrfs-generic-mid
0.00 252.31 vpx/micro/xfstests/4HDD-btrfs-generic-quick
0.00 163.05 vpx/micro/xfstests/4HDD-ext4-generic-mid
0.00 2442.01 vpx/micro/xfstests/4HDD-xfs-generic-127
0.00 507.41 vpx/micro/xfstests/4HDD-xfs-generic-mid
0.00 404.00 vpx/micro/xfstests/4HDD-xfs-generic-quick
0.00 4071.80 TOTAL iostat.vda.r/s

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 860.50 vpx/micro/xfstests/4HDD-btrfs-generic-mid
0.00 112.49 vpx/micro/xfstests/4HDD-btrfs-generic-quick
0.00 360.58 vpx/micro/xfstests/4HDD-ext4-generic-mid
0.00 4937.56 vpx/micro/xfstests/4HDD-xfs-generic-127
0.00 2070.37 vpx/micro/xfstests/4HDD-xfs-generic-mid
0.00 106.65 vpx/micro/xfstests/4HDD-xfs-generic-quick
0.00 8448.15 TOTAL iostat.vda.w/s

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
166400.75 0.45 vpx/micro/xfstests/4HDD-btrfs-generic-mid
13934.99 0.12 vpx/micro/xfstests/4HDD-btrfs-generic-quick
5483.25 0.83 vpx/micro/xfstests/4HDD-ext4-generic-mid
168450.24 0.51 vpx/micro/xfstests/4HDD-xfs-generic-127
316831.98 0.32 vpx/micro/xfstests/4HDD-xfs-generic-mid
28037.99 0.23 vpx/micro/xfstests/4HDD-xfs-generic-quick
699139.21 2.45 TOTAL iostat.vda.avgqu-sz

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 326.86 vpx/micro/xfstests/4HDD-btrfs-generic-mid
0.00 281.25 vpx/micro/xfstests/4HDD-btrfs-generic-quick
0.00 811.90 vpx/micro/xfstests/4HDD-ext4-generic-mid
0.00 47.78 vpx/micro/xfstests/4HDD-xfs-generic-127
0.00 2117.30 vpx/micro/xfstests/4HDD-xfs-generic-mid
0.00 163.09 vpx/micro/xfstests/4HDD-xfs-generic-quick
0.00 3748.18 TOTAL iostat.vda.await

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 301.60 vpx/micro/xfstests/4HDD-btrfs-generic-mid
0.00 249.16 vpx/micro/xfstests/4HDD-btrfs-generic-quick
0.00 51.45 vpx/micro/xfstests/4HDD-ext4-generic-mid
0.00 91.51 vpx/micro/xfstests/4HDD-xfs-generic-127
0.00 1919.27 vpx/micro/xfstests/4HDD-xfs-generic-mid
0.00 121.04 vpx/micro/xfstests/4HDD-xfs-generic-quick
0.00 2734.03 TOTAL iostat.vda.r_await

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 406.12 vpx/micro/xfstests/4HDD-btrfs-generic-mid
0.00 433.66 vpx/micro/xfstests/4HDD-btrfs-generic-quick
0.00 807.79 vpx/micro/xfstests/4HDD-ext4-generic-mid
0.00 42.94 vpx/micro/xfstests/4HDD-xfs-generic-127
0.00 592.20 vpx/micro/xfstests/4HDD-xfs-generic-mid
0.00 401.74 vpx/micro/xfstests/4HDD-xfs-generic-quick
0.00 2684.45 TOTAL iostat.vda.w_await

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 40062.13 vpx/micro/xfstests/4HDD-xfs-generic-mid
0.00 40062.13 TOTAL iostat.vdd.w_await.max

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
58002.95 3.65 vpx/micro/xfstests/4HDD-btrfs-generic-mid
5321.49 2.35 vpx/micro/xfstests/4HDD-btrfs-generic-quick
744.30 0.03 vpx/micro/xfstests/4HDD-ext4-generic-mid
904.34 0.00 vpx/micro/xfstests/4HDD-xfs-generic-127
927.75 0.00 vpx/micro/xfstests/4HDD-xfs-generic-mid
928.80 0.00 vpx/micro/xfstests/4HDD-xfs-generic-quick
66829.64 6.02 TOTAL iostat.vdb.avgqu-sz

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 334.18 kbuildx/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqrewr-sync
0.00 427.32 vpx/micro/xfstests/4HDD-btrfs-generic-mid
0.00 483.98 vpx/micro/xfstests/4HDD-btrfs-generic-quick
0.00 54.09 vpx/micro/xfstests/4HDD-ext4-generic-mid
0.00 38.20 vpx/micro/xfstests/4HDD-xfs-generic-127
0.00 1337.77 TOTAL iostat.vdb.await

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 314.51 kbuildx/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqrewr-sync
0.00 434.91 vpx/micro/xfstests/4HDD-btrfs-generic-mid
0.00 655.06 vpx/micro/xfstests/4HDD-btrfs-generic-quick
0.00 52.35 vpx/micro/xfstests/4HDD-ext4-generic-mid
0.00 25.65 vpx/micro/xfstests/4HDD-xfs-generic-127
0.00 1482.48 TOTAL iostat.vdb.w_await

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 43637.20 vpx/micro/xfstests/4HDD-xfs-generic-mid
0.00 43637.20 TOTAL iostat.vdd.r_await.max

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
283.49 0.00 vpx/micro/xfstests/4HDD-btrfs-generic-mid
348.49 0.00 vpx/micro/xfstests/4HDD-btrfs-generic-quick
739.93 0.02 vpx/micro/xfstests/4HDD-ext4-generic-mid
896.90 0.00 vpx/micro/xfstests/4HDD-xfs-generic-127
922.17 0.00 vpx/micro/xfstests/4HDD-xfs-generic-mid
900.48 0.00 vpx/micro/xfstests/4HDD-xfs-generic-quick
4091.47 0.02 TOTAL iostat.vdc.avgqu-sz

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 48.63 vpx/micro/xfstests/4HDD-btrfs-generic-quick
0.00 47.05 vpx/micro/xfstests/4HDD-ext4-generic-mid
0.00 44.51 vpx/micro/xfstests/4HDD-xfs-generic-127
0.00 140.19 TOTAL iostat.vdc.await

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 74.79 vpx/micro/xfstests/4HDD-btrfs-generic-quick
0.00 44.73 vpx/micro/xfstests/4HDD-ext4-generic-mid
0.00 31.82 vpx/micro/xfstests/4HDD-xfs-generic-127
0.00 151.34 TOTAL iostat.vdc.w_await

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
99.93 0.00 vpx/micro/xfstests/4HDD-btrfs-generic-mid
99.74 0.00 vpx/micro/xfstests/4HDD-btrfs-generic-quick
99.75 -99.9% 0.09 vpx/micro/xfstests/4HDD-ext4-generic-mid
99.58 0.04 vpx/micro/xfstests/4HDD-xfs-generic-127
99.95 0.03 vpx/micro/xfstests/4HDD-xfs-generic-mid
99.81 -99.9% 0.06 vpx/micro/xfstests/4HDD-xfs-generic-quick
598.77 0.22 TOTAL iostat.vdc.util

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
271.92 0.00 vpx/micro/xfstests/4HDD-btrfs-generic-mid
267.49 0.00 vpx/micro/xfstests/4HDD-btrfs-generic-quick
41591.47 8.11 vpx/micro/xfstests/4HDD-ext4-generic-mid
1545.31 0.00 vpx/micro/xfstests/4HDD-xfs-generic-127
199016.55 3.93 vpx/micro/xfstests/4HDD-xfs-generic-mid
19592.46 0.98 vpx/micro/xfstests/4HDD-xfs-generic-quick
262285.20 13.02 TOTAL iostat.vdd.avgqu-sz

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 40062.13 vpx/micro/xfstests/4HDD-xfs-generic-mid
0.00 40062.13 TOTAL iostat.vdd.await.max

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
264379.27 46.63 vpx/micro/xfstests/4HDD-xfs-generic-mid
264379.27 46.63 TOTAL iostat.vdd.avgqu-sz.max

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 +22435195.0% 337.66 kbuildx/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqrewr-sync
0.00 +52740796.1% 412.04 kbuildx/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqwr-sync
0.00 207.60 vpx/micro/xfstests/4HDD-btrfs-generic-mid
0.00 278.33 vpx/micro/xfstests/4HDD-btrfs-generic-quick
0.00 +54044748.7% 1235.63 TOTAL iostat.vdb.w/s

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 187.74 vpx/micro/xfstests/4HDD-btrfs-generic-mid
0.00 334.23 vpx/micro/xfstests/4HDD-btrfs-generic-quick
0.00 521.97 TOTAL iostat.vdb.r_await

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 60.02 vpx/micro/xfstests/4HDD-btrfs-generic-quick
0.00 367.81 vpx/micro/xfstests/4HDD-ext4-generic-mid
0.00 411.64 vpx/micro/xfstests/4HDD-xfs-generic-mid
0.00 208.39 vpx/micro/xfstests/4HDD-xfs-generic-quick
0.00 1047.86 TOTAL iostat.vdd.await

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 85.62 vpx/micro/xfstests/4HDD-btrfs-generic-quick
0.00 372.66 vpx/micro/xfstests/4HDD-ext4-generic-mid
0.00 438.01 vpx/micro/xfstests/4HDD-xfs-generic-mid
0.00 235.66 vpx/micro/xfstests/4HDD-xfs-generic-quick
0.00 1131.94 TOTAL iostat.vdd.w_await

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 60.55 vpx/micro/xfstests/4HDD-xfs-generic-quick
0.00 60.55 TOTAL iostat.vdd.r/s

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 925.15 vpx/micro/xfstests/4HDD-ext4-generic-mid
0.00 353.72 vpx/micro/xfstests/4HDD-xfs-generic-mid
0.01 +16003327.6% 1052.91 vpx/micro/xfstests/4HDD-xfs-generic-quick
0.01 +35441112.9% 2331.78 TOTAL iostat.vdd.w/s

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 2084.28 vpx/micro/xfstests/4HDD-xfs-generic-mid
0.00 2084.28 TOTAL iostat.vdc.r_await.max

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 827.73 vpx/micro/xfstests/4HDD-xfs-generic-mid
0.00 827.73 TOTAL iostat.vdc.w_await.max

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 462.35 vpx/micro/xfstests/4HDD-ext4-generic-mid
0.00 462.35 TOTAL iostat.vda.avgrq-sz

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 445.55 vpx/micro/xfstests/4HDD-ext4-generic-mid
0.00 148.60 vpx/micro/xfstests/4HDD-xfs-generic-mid
0.00 594.15 TOTAL iostat.vdd.avgrq-sz

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
1018060.51 24.78 vpx/micro/xfstests/4HDD-xfs-generic-mid
1018060.51 24.78 TOTAL iostat.vda.avgqu-sz.max

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 55151.60 vpx/micro/xfstests/4HDD-xfs-generic-mid
0.00 55151.60 TOTAL iostat.vda.await.max

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 54408.38 vpx/micro/xfstests/4HDD-xfs-generic-mid
0.00 54408.38 TOTAL iostat.vda.r_await.max

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 65896.75 vpx/micro/xfstests/4HDD-xfs-generic-mid
0.00 65896.75 TOTAL iostat.vda.w_await.max

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
934.24 0.08 vpx/micro/xfstests/4HDD-xfs-generic-mid
934.24 0.08 TOTAL iostat.vdb.avgqu-sz.max

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 1061.09 vpx/micro/xfstests/4HDD-xfs-generic-mid
0.00 1061.09 TOTAL iostat.vdb.await.max

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 1999.51 vpx/micro/xfstests/4HDD-xfs-generic-mid
0.00 1999.51 TOTAL iostat.vdb.r_await.max

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 908.53 vpx/micro/xfstests/4HDD-xfs-generic-mid
0.00 908.53 TOTAL iostat.vdb.w_await.max

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
928.65 0.08 vpx/micro/xfstests/4HDD-xfs-generic-mid
928.65 0.08 TOTAL iostat.vdc.avgqu-sz.max

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 1001.78 vpx/micro/xfstests/4HDD-xfs-generic-mid
0.00 1001.78 TOTAL iostat.vdc.await.max

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.00 39.51 vpx/micro/xfstests/4HDD-ext4-generic-mid
0.00 236.20 vpx/micro/xfstests/4HDD-xfs-generic-mid
0.00 171.93 vpx/micro/xfstests/4HDD-xfs-generic-quick
0.00 447.63 TOTAL iostat.vdd.r_await

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
24.35 +302.7% 98.07 kbuildx/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqrewr-sync
9.48 +914.2% 96.18 kbuildx/sysbench/fileio/600s-100%-1HDD-xfs-64G-1024-seqwr-sync
99.93 -90.3% 9.74 vpx/micro/xfstests/4HDD-btrfs-generic-mid
99.75 -93.4% 6.59 vpx/micro/xfstests/4HDD-btrfs-generic-quick
99.75 -99.9% 0.13 vpx/micro/xfstests/4HDD-ext4-generic-mid
99.59 0.04 vpx/micro/xfstests/4HDD-xfs-generic-127
99.95 0.02 vpx/micro/xfstests/4HDD-xfs-generic-mid
99.81 -99.9% 0.06 vpx/micro/xfstests/4HDD-xfs-generic-quick
632.61 -66.7% 210.82 TOTAL iostat.vdb.util

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
99.93 -92.3% 7.68 vpx/micro/xfstests/4HDD-btrfs-generic-mid
99.75 -97.8% 2.17 vpx/micro/xfstests/4HDD-btrfs-generic-quick
99.75 -79.7% 20.22 vpx/micro/xfstests/4HDD-ext4-generic-mid
99.59 -65.2% 34.69 vpx/micro/xfstests/4HDD-xfs-generic-127
99.96 -85.8% 14.20 vpx/micro/xfstests/4HDD-xfs-generic-mid
99.81 -96.8% 3.20 vpx/micro/xfstests/4HDD-xfs-generic-quick
598.79 -86.3% 82.16 TOTAL iostat.vda.util

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
99.93 0.00 vpx/micro/xfstests/4HDD-btrfs-generic-mid
99.74 0.00 vpx/micro/xfstests/4HDD-btrfs-generic-quick
99.80 -51.8% 48.06 vpx/micro/xfstests/4HDD-ext4-generic-mid
99.58 -99.7% 0.33 vpx/micro/xfstests/4HDD-xfs-generic-127
100.00 -82.4% 17.57 vpx/micro/xfstests/4HDD-xfs-generic-mid
99.81 -92.6% 7.34 vpx/micro/xfstests/4HDD-xfs-generic-quick
598.87 -87.8% 73.29 TOTAL iostat.vdd.util


959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
0.67 +69.2% 1.13 vpx/micro/xfstests/4HDD-btrfs-generic-quick
0.67 +69.2% 1.13 TOTAL iostat.cpu.steal

959a35f13eb785f982d7 0d11e6aca396e679c07b
------------------------ ------------------------
95.55 -7.5% 88.34 vpx/micro/xfstests/4HDD-btrfs-generic-mid
95.55 -7.5% 88.34 TOTAL iostat.vda.wrqm/s
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