From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============1609458211470583692==" MIME-Version: 1.0 From: Jet Chen To: lkp@lists.01.org Subject: [ARM] f9ff907b0af: -100.0% slabinfo.cfq_queue.num_objs Date: Thu, 29 May 2014 12:55:55 +0800 Message-ID: <5386BDDB.9010708@intel.com> List-Id: --===============1609458211470583692== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable TO: Rabin Vincent CC: Russell King CC: LKML CC: lkp(a)01.org FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit f9ff907b0af561dcde4683f7c9f71dc0f41d3be3 ("ARM: 8048/1: fix v7-M set= up stack location") test case: lkp-st02/dd-write/11HDD-RAID5-cfq-ext4-1dd v3.15-rc6 f9ff907b0af561dcde4683f7c --------------- ------------------------- 273 ~ 3% -100.0% 0 ~ 0% TOTAL slabinfo.cfq_queue.num_o= bjs 65541468 ~ 1% -100.0% 0 ~ 0% TOTAL ftrace.balance_dirty_pag= es.md0.time 273 ~ 3% -100.0% 0 ~ 0% TOTAL slabinfo.cfq_queue.activ= e_objs 969 ~ 8% -100.0% 0 ~ 0% TOTAL slabinfo.ip6_dst_cache.n= um_objs 948 ~ 8% -100.0% 0 ~ 0% TOTAL slabinfo.ip6_dst_cache.a= ctive_objs 12399 ~ 1% -100.0% 0 ~ 0% TOTAL ftrace.bdi_dirty_ratelim= it.md0.balanced_dirty_ratelimit 14234 ~ 2% -100.0% 0 ~ 0% TOTAL ftrace.bdi_dirty_ratelim= it.md0.task_ratelimit 10649 ~ 1% -100.0% 0 ~ 0% TOTAL ftrace.bdi_dirty_ratelim= it.md0.dirty_ratelimit 17409 ~ 2% -100.0% 0 ~ 0% TOTAL ftrace.bdi_dirty_ratelim= it.md0.dirty_rate 13787 ~ 1% -100.0% 0 ~ 0% TOTAL ftrace.bdi_dirty_ratelim= it.md0.awrite_bw 14464 ~ 1% -100.0% 0 ~ 0% TOTAL ftrace.bdi_dirty_ratelim= it.md0.write_bw 65322936 ~ 1% -100.0% 0 ~ 0% TOTAL ftrace.bdi_dirty_ratelim= it.md0.time 31 ~ 3% -100.0% 0 ~ 0% TOTAL ftrace.balance_dirty_pag= es.md0.dirtied_pause 31 ~ 3% -100.0% 0 ~ 0% TOTAL ftrace.balance_dirty_pag= es.md0.dirtied 14350 ~ 1% -100.0% 0 ~ 0% TOTAL ftrace.balance_dirty_pag= es.md0.task_ratelimit 10633 ~ 1% -100.0% 0 ~ 0% TOTAL ftrace.balance_dirty_pag= es.md0.dirty_ratelimit 13720 ~ 1% -100.0% 0 ~ 0% TOTAL ftrace.balance_dirty_pag= es.md0.bdi_dirty 15220 ~ 1% -100.0% 0 ~ 0% TOTAL ftrace.balance_dirty_pag= es.md0.bdi_setpoint 13720 ~ 1% -100.0% 0 ~ 0% TOTAL ftrace.balance_dirty_pag= es.md0.dirty 15251 ~ 1% -100.0% 0 ~ 0% TOTAL ftrace.balance_dirty_pag= es.md0.setpoint 17638 ~ 1% -100.0% 0 ~ 0% TOTAL ftrace.balance_dirty_pag= es.md0.limit 36455 ~ 0% +221.6% 117256 ~ 0% TOTAL proc-vmstat.unevictable_= pgs_culled 986338 ~ 0% -55.5% 438629 ~ 0% TOTAL meminfo.Unevictable 246584 ~ 0% -55.5% 109657 ~ 0% TOTAL proc-vmstat.nr_unevictab= le 84787 ~20% -47.1% 44851 ~10% TOTAL meminfo.DirectMap4k 11266582 ~ 1% -38.7% 6903348 ~ 0% TOTAL ftrace.writeback_single_= inode.md0.index 10996 ~ 9% -25.9% 8143 ~14% TOTAL meminfo.AnonHugePages 1127 ~ 2% +29.8% 1462 ~ 1% TOTAL slabinfo.ftrace_event_fi= le.num_objs 1127 ~ 2% +29.8% 1462 ~ 1% TOTAL slabinfo.ftrace_event_fi= le.active_objs 1.47 ~12% -20.7% 1.17 ~ 7% TOTAL perf-profile.cpu-cycles.= do_get_write_access.jbd2_journal_get_write_access.__ext4_journal_get_write_= access.ext4_reserve_inode_write.ext4_mark_inode_dirty 15826442 ~ 0% -15.5% 13381229 ~ 0% TOTAL ftrace.global_dirty_stat= e.written 15944180 ~ 0% -15.3% 13502162 ~ 0% TOTAL ftrace.global_dirty_stat= e.dirtied 2906 ~ 1% +14.0% 3314 ~ 1% TOTAL slabinfo.shared_policy_n= ode.active_objs 2906 ~ 1% +14.0% 3314 ~ 1% TOTAL slabinfo.shared_policy_n= ode.num_objs 348891 ~ 0% +14.4% 399046 ~ 0% TOTAL ftrace.global_dirty_stat= e.limit 394528 ~ 0% +11.8% 441163 ~ 0% TOTAL meminfo.MemFree 98671 ~ 0% +11.8% 110310 ~ 0% TOTAL proc-vmstat.nr_free_pages 400850 ~ 0% +11.0% 444838 ~ 0% TOTAL vmstat.memory.free 108208 ~ 0% +11.0% 120084 ~ 0% TOTAL proc-vmstat.nr_dirty 432868 ~ 0% +11.0% 480357 ~ 0% TOTAL meminfo.Dirty 79363 ~ 1% -8.9% 72291 ~ 0% TOTAL proc-vmstat.workingset_n= odereclaim 65550 ~ 2% -9.1% 59612 ~ 1% TOTAL softirqs.SCHED 12.06 ~ 5% +530.1% 75.99 ~ 8% TOTAL iostat.sdd.rrqm/s 50.78 ~ 5% +530.2% 320.04 ~ 8% TOTAL iostat.sdd.rkB/s 12.29 ~ 5% +520.0% 76.21 ~ 7% TOTAL iostat.sde.rrqm/s 51.66 ~ 5% +520.9% 320.74 ~ 7% TOTAL iostat.sde.rkB/s 49.28 ~ 6% +542.9% 316.82 ~ 7% TOTAL iostat.sdc.rkB/s 53.30 ~ 6% +498.9% 319.26 ~ 7% TOTAL iostat.sdf.rkB/s 12.62 ~ 5% +496.4% 75.27 ~ 6% TOTAL iostat.sdg.rrqm/s 53.21 ~ 5% +496.2% 317.20 ~ 6% TOTAL iostat.sdg.rkB/s 12.37 ~ 4% +509.6% 75.41 ~ 7% TOTAL iostat.sdh.rrqm/s 51.89 ~ 4% +511.8% 317.47 ~ 7% TOTAL iostat.sdh.rkB/s 12.60 ~ 5% +500.9% 75.73 ~ 8% TOTAL iostat.sdi.rrqm/s 52.95 ~ 5% +502.2% 318.87 ~ 8% TOTAL iostat.sdi.rkB/s 12.88 ~ 5% +491.9% 76.26 ~ 8% TOTAL iostat.sdj.rrqm/s 54.51 ~ 5% +490.0% 321.59 ~ 8% TOTAL iostat.sdj.rkB/s 12.69 ~ 6% +501.6% 76.35 ~ 8% TOTAL iostat.sdk.rrqm/s 53.90 ~ 6% +497.5% 322.02 ~ 8% TOTAL iostat.sdk.rkB/s 12.69 ~ 5% +501.4% 76.33 ~ 8% TOTAL iostat.sdl.rrqm/s 53.93 ~ 5% +497.4% 322.15 ~ 8% TOTAL iostat.sdl.rkB/s 50.24 ~ 4% +536.4% 319.69 ~ 8% TOTAL iostat.sdb.rkB/s 11.94 ~ 4% +535.0% 75.84 ~ 8% TOTAL iostat.sdb.rrqm/s 11.70 ~ 6% +542.7% 75.21 ~ 7% TOTAL iostat.sdc.rrqm/s 12.68 ~ 7% +498.0% 75.82 ~ 7% TOTAL iostat.sdf.rrqm/s 332 ~ 0% +41.9% 471 ~ 0% TOTAL iostat.md0.avgrq-sz 3616709 ~ 1% -28.9% 2573038 ~ 1% TOTAL perf-stat.context-switch= es 51043 ~ 1% +10.4% 56342 ~ 3% TOTAL perf-stat.cpu-migrations 6.45e+11 ~ 0% -6.7% 6.021e+11 ~ 0% TOTAL perf-stat.dTLB-loads 758 ~ 0% -5.9% 713 ~ 0% TOTAL iostat.md0.w/s Legend: ~XX% - stddev percent [+-]XX% - change percent Disclaimer: Results have been estimated based on internal Intel analysis and are provid= ed for informational purposes only. Any difference in system hardware or softw= are design or configuration may affect actual performance. Thanks, Jet --===============1609458211470583692== Content-Type: text/plain MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="reproduce.ksh" bWRhZG0gLXEgLS1jcmVhdGUgL2Rldi9tZDAgLS1jaHVuaz0yNTYgLS1sZXZlbD1yYWlkNSAtLXJh aWQtZGV2aWNlcz0xMSAtLWZvcmNlIC0tYXNzdW1lLWNsZWFuIC9kZXYvc2RiMSAvZGV2L3NkYzEg L2Rldi9zZGQxIC9kZXYvc2RlMSAvZGV2L3NkZjEgL2Rldi9zZGcxIC9kZXYvc2RoMSAvZGV2L3Nk aTEgL2Rldi9zZGoxIC9kZXYvc2RrMSAvZGV2L3NkbDEKZWNobyAxID4gL3N5cy9rZXJuZWwvZGVi dWcvdHJhY2luZy9ldmVudHMvd3JpdGViYWNrL2JhbGFuY2VfZGlydHlfcGFnZXMvZW5hYmxlCmVj aG8gMSA+IC9zeXMva2VybmVsL2RlYnVnL3RyYWNpbmcvZXZlbnRzL3dyaXRlYmFjay9iZGlfZGly dHlfcmF0ZWxpbWl0L2VuYWJsZQplY2hvIDEgPiAvc3lzL2tlcm5lbC9kZWJ1Zy90cmFjaW5nL2V2 ZW50cy93cml0ZWJhY2svZ2xvYmFsX2RpcnR5X3N0YXRlL2VuYWJsZQplY2hvIDEgPiAvc3lzL2tl cm5lbC9kZWJ1Zy90cmFjaW5nL2V2ZW50cy93cml0ZWJhY2svd3JpdGViYWNrX3NpbmdsZV9pbm9k ZS9lbmFibGUKbWtmcyAtdCBleHQ0IC1xIC9kZXYvbWQwCm1vdW50IC10IGV4dDQgL2Rldi9tZDAg L2ZzL21kMApkZCAgaWY9L2Rldi96ZXJvIG9mPS9mcy9tZDAvemVyby0xIHN0YXR1cz1ub25lICYK c2xlZXAgNjAwCmtpbGxhbGwgLTkgZGQKCg== --===============1609458211470583692==--