FYI, we noticed the below changes on
commit 18dcf433f3ded61eb140a55e7048ec2fef79e723 ("AHCI: Optimize single IRQ
interrupt processing")
227dfb4dbf109596 18dcf433f3ded61eb140a55e70 testbox/testcase/testparams
---------------- -------------------------- ---------------------------
%stddev %change %stddev
\ | \
61.60 ± 1% -3.3% 59.56 ± 0%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
61.60 -3.3% 59.56 GEO-MEAN fileio.requests_per_sec
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
436798 ± 28% -73.4% 116066 ± 33%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
436798 -73.4% 116066 GEO-MEAN
sched_debug.cpu#2.ttwu_local
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
29791 ± 4% -72.7% 8123 ± 6%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
29791 -72.7% 8123 GEO-MEAN
sched_debug.cfs_rq[2]:/.exec_clock
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
26505 ± 3% -71.1% 7657 ± 6%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
26505 -71.1% 7657 GEO-MEAN
sched_debug.cfs_rq[3]:/.exec_clock
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
211746 ± 47% +122.7% 471499 ± 23%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
211746 +122.7% 471499 GEO-MEAN
sched_debug.cpu#3.ttwu_count
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
25 ± 38% +206.3% 77 ± 12%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
25 +206.3% 77 GEO-MEAN
sched_debug.cfs_rq[0]:/.tg_runnable_contrib
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
395023 ± 21% +179.3% 1103475 ± 9%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
395023 +179.3% 1103475 GEO-MEAN
sched_debug.cpu#0.sched_goidle
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
26678 ± 6% +185.9% 76281 ± 0%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
26678 +185.9% 76281 GEO-MEAN
sched_debug.cfs_rq[0]:/.exec_clock
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
206903 ± 45% +105.1% 424444 ± 26%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
206903 +105.1% 424444 GEO-MEAN
sched_debug.cpu#3.sched_goidle
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
814594 ± 21% +173.2% 2225796 ± 9%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
814594 +173.2% 2225795 GEO-MEAN
sched_debug.cpu#0.nr_switches
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
815199 ± 21% +173.2% 2227078 ± 9%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
815198 +173.2% 2227078 GEO-MEAN
sched_debug.cpu#0.sched_count
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
1213 ± 36% +195.3% 3583 ± 12%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
1213 +195.3% 3583 GEO-MEAN
sched_debug.cfs_rq[0]:/.avg->runnable_avg_sum
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
29624 ± 6% +176.5% 81923 ± 1%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
29624 +176.5% 81923 GEO-MEAN
sched_debug.cfs_rq[0]:/.min_vruntime
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
193739 ± 46% +99.9% 387345 ± 15%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
193739 +99.9% 387345 GEO-MEAN
sched_debug.cpu#1.sched_goidle
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
482611 ± 24% -60.5% 190666 ± 19%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
482611 -60.5% 190666 GEO-MEAN
sched_debug.cpu#2.sched_goidle
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
31073 ± 4% -63.6% 11312 ± 2%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
31073 -63.6% 11312 GEO-MEAN
sched_debug.cfs_rq[3]:/.min_vruntime
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
12 ± 33% -68.3% 4 ± 27%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
12 -68.3% 4 GEO-MEAN
sched_debug.cpu#3.cpu_load[4]
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
440281 ± 42% +97.4% 869268 ± 25%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
440281 +97.4% 869268 GEO-MEAN
sched_debug.cpu#3.nr_switches
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
440898 ± 42% +97.2% 869665 ± 25%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
440898 +97.2% 869665 GEO-MEAN
sched_debug.cpu#3.sched_count
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
33967 ± 4% -63.3% 12450 ± 3%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
33967 -63.3% 12450 GEO-MEAN
sched_debug.cfs_rq[2]:/.min_vruntime
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
413955 ± 43% +93.7% 801767 ± 14%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
413955 +93.7% 801767 GEO-MEAN
sched_debug.cpu#1.nr_switches
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
414509 ± 43% +93.5% 802162 ± 14%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
414509 +93.5% 802162 GEO-MEAN
sched_debug.cpu#1.sched_count
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
991210 ± 24% -57.1% 425186 ± 17%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
991210 -57.1% 425186 GEO-MEAN
sched_debug.cpu#2.nr_switches
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
991832 ± 24% -57.1% 425587 ± 17%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
991831 -57.1% 425587 GEO-MEAN
sched_debug.cpu#2.sched_count
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
437 ± 14% -59.6% 176 ± 27%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
539 ± 7% -50.6% 266 ± 7%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
485 -55.3% 217 GEO-MEAN
slabinfo.xfs_buf.active_objs
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
446 ± 14% -57.7% 188 ± 30%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
548 ± 6% -43.9% 307 ± 4%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
494 -51.3% 240 GEO-MEAN slabinfo.xfs_buf.num_objs
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
216837 ± 39% +85.6% 402550 ± 14%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
216837 +85.6% 402550 GEO-MEAN
sched_debug.cpu#1.ttwu_count
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
496141 ± 24% +117.8% 1080683 ± 2%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
496141 +117.8% 1080683 GEO-MEAN
sched_debug.cpu#2.ttwu_count
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
23697 ± 7% -51.9% 11404 ± 2%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
23697 -51.9% 11404 GEO-MEAN
sched_debug.cfs_rq[1]:/.min_vruntime
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
88762 ± 5% +94.9% 173015 ± 2%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
88762 +94.9% 173015 GEO-MEAN
sched_debug.cpu#0.nr_load_updates
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
21233 ± 8% -49.3% 10767 ± 5%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
21233 -49.3% 10767 GEO-MEAN
sched_debug.cfs_rq[1]:/.exec_clock
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
14 ± 29% -51.4% 7 ± 15%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
14 -51.4% 6 GEO-MEAN
sched_debug.cpu#3.cpu_load[3]
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
44 ± 13% -45.2% 24 ± 7%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
44 -45.2% 24 GEO-MEAN
sched_debug.cfs_rq[3]:/.tg_runnable_contrib
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
5.00 ± 16% -31.1% 3.45 ± 28%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
5.00 -31.1% 3.45 GEO-MEAN
perf-profile.cpu-cycles.__writeback_inodes_wb.wb_writeback.bdi_writeback_workfn.process_one_work.worker_thread
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
5.00 ± 16% -31.6% 3.42 ± 28%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
5.00 -31.6% 3.42 GEO-MEAN
perf-profile.cpu-cycles.writeback_sb_inodes.__writeback_inodes_wb.wb_writeback.bdi_writeback_workfn.process_one_work
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
4.99 ± 16% -31.6% 3.41 ± 28%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
4.99 -31.6% 3.41 GEO-MEAN
perf-profile.cpu-cycles.write_cache_pages.generic_writepages.xfs_vm_writepages.do_writepages.__writeback_single_inode
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
4.99 ± 16% -31.6% 3.41 ± 28%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
4.99 -31.6% 3.41 GEO-MEAN
perf-profile.cpu-cycles.xfs_vm_writepages.do_writepages.__writeback_single_inode.writeback_sb_inodes.__writeback_inodes_wb
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
5.00 ± 16% -31.1% 3.45 ± 28%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
5.00 -31.1% 3.45 GEO-MEAN
perf-profile.cpu-cycles.wb_writeback.bdi_writeback_workfn.process_one_work.worker_thread.kthread
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
4.99 ± 16% -31.6% 3.41 ± 28%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
4.99 -31.6% 3.41 GEO-MEAN
perf-profile.cpu-cycles.do_writepages.__writeback_single_inode.writeback_sb_inodes.__writeback_inodes_wb.wb_writeback
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
4.98 ± 16% -31.4% 3.41 ± 28%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
4.98 -31.4% 3.41 GEO-MEAN
perf-profile.cpu-cycles.__writepage.write_cache_pages.generic_writepages.xfs_vm_writepages.do_writepages
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
5.00 ± 16% -31.7% 3.41 ± 28%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
5.00 -31.7% 3.41 GEO-MEAN
perf-profile.cpu-cycles.__writeback_single_inode.writeback_sb_inodes.__writeback_inodes_wb.wb_writeback.bdi_writeback_workfn
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
4.98 ± 16% -31.4% 3.41 ± 28%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
4.98 -31.4% 3.41 GEO-MEAN
perf-profile.cpu-cycles.xfs_vm_writepage.__writepage.write_cache_pages.generic_writepages.xfs_vm_writepages
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
4.99 ± 16% -31.6% 3.41 ± 28%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
4.99 -31.6% 3.41 GEO-MEAN
perf-profile.cpu-cycles.generic_writepages.xfs_vm_writepages.do_writepages.__writeback_single_inode.writeback_sb_inodes
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
5.00 ± 16% -31.1% 3.45 ± 28%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
5.00 -31.1% 3.45 GEO-MEAN
perf-profile.cpu-cycles.bdi_writeback_workfn.process_one_work.worker_thread.kthread.ret_from_fork
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
4.02 ± 17% -37.3% 2.52 ± 32%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
4.02 -37.3% 2.52 GEO-MEAN
perf-profile.cpu-cycles.xfs_cluster_write.xfs_vm_writepage.__writepage.write_cache_pages.generic_writepages
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
2071 ± 12% -43.9% 1162 ± 6%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
2071 -43.9% 1162 GEO-MEAN
sched_debug.cfs_rq[3]:/.avg->runnable_avg_sum
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
13 ± 48% -42.6% 7 ± 18%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
13 -42.6% 7 GEO-MEAN
sched_debug.cpu#2.cpu_load[3]
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3.20 ± 19% -37.6% 1.99 ± 25%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
3.20 -37.6% 1.99 GEO-MEAN
perf-profile.cpu-cycles.xfs_convert_page.isra.11.xfs_cluster_write.xfs_vm_writepage.__writepage.write_cache_pages
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
9 ± 16% -43.7% 5 ± 49%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
9 -43.8% 5 GEO-MEAN
sched_debug.cfs_rq[0]:/.runnable_load_avg
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
627 ± 12% +55.9% 978 ± 8%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
627 +55.9% 978 GEO-MEAN
slabinfo.btrfs_delayed_tree_ref.num_objs
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---------------- --------------------------
627 ± 12% +54.9% 972 ± 8%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
627 +54.9% 972 GEO-MEAN
slabinfo.btrfs_delayed_tree_ref.active_objs
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2552 ± 8% -35.9% 1635 ± 10%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
2552 -35.9% 1635 GEO-MEAN
slabinfo.kmalloc-96.active_objs
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2577 ± 7% -35.0% 1676 ± 9%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
2577 -35.0% 1676 GEO-MEAN
slabinfo.kmalloc-96.num_objs
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650 ± 5% -29.7% 457 ± 7%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
649 -29.7% 457 GEO-MEAN
slabinfo.blkdev_requests.active_objs
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---------------- --------------------------
1.17 ± 13% +24.6% 1.46 ± 8%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
1.17 +24.6% 1.46 GEO-MEAN
perf-profile.cpu-cycles.try_to_release_page.shrink_page_list.shrink_inactive_list.shrink_lruvec.shrink_zone
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
664 ± 4% -26.8% 486 ± 7%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
664 -26.8% 486 GEO-MEAN
slabinfo.blkdev_requests.num_objs
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---------------- --------------------------
1.40 ± 4% -23.4% 1.07 ± 9%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
1.40 -23.4% 1.07 GEO-MEAN
perf-profile.cpu-cycles.default_idle.arch_cpu_idle.cpu_startup_entry.rest_init.start_kernel
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---------------- --------------------------
1.40 ± 4% -22.8% 1.08 ± 10%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
1.40 -22.8% 1.08 GEO-MEAN
perf-profile.cpu-cycles.arch_cpu_idle.cpu_startup_entry.rest_init.start_kernel.x86_64_start_reservations
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
100710 ± 5% +28.7% 129619 ± 0%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
100710 +28.7% 129619 GEO-MEAN
sched_debug.cpu#2.nr_load_updates
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---------------- --------------------------
2671 ± 10% +19.1% 3181 ± 6%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
2671 +19.1% 3181 GEO-MEAN
slabinfo.anon_vma.num_objs
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---------------- --------------------------
86107 ± 5% -21.2% 67836 ± 8%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
86107 -21.2% 67835 GEO-MEAN
sched_debug.cpu#3.nr_load_updates
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1.57 ± 5% -15.2% 1.33 ± 9%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
1.57 -15.2% 1.33 GEO-MEAN
perf-profile.cpu-cycles.rest_init.start_kernel.x86_64_start_reservations.x86_64_start_kernel
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
1.56 ± 5% -14.5% 1.33 ± 9%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
1.56 -14.5% 1.33 GEO-MEAN
perf-profile.cpu-cycles.cpu_startup_entry.rest_init.start_kernel.x86_64_start_reservations.x86_64_start_kernel
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
1.57 ± 5% -15.2% 1.33 ± 9%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
1.57 -15.2% 1.33 GEO-MEAN
perf-profile.cpu-cycles.x86_64_start_reservations.x86_64_start_kernel
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
1.57 ± 5% -15.2% 1.33 ± 9%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
1.57 -15.2% 1.33 GEO-MEAN
perf-profile.cpu-cycles.x86_64_start_kernel
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
1.57 ± 5% -15.2% 1.33 ± 9%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
1.57 -15.2% 1.33 GEO-MEAN
perf-profile.cpu-cycles.start_kernel.x86_64_start_reservations.x86_64_start_kernel
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
50 ± 32% -34.0% 33 ± 5%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
49 -34.0% 33 GEO-MEAN
sched_debug.cfs_rq[2]:/.tg_runnable_contrib
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
815734 ± 1% -16.3% 682841 ± 2%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
815734 -16.3% 682841 GEO-MEAN
sched_debug.cpu#0.avg_idle
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
2341 ± 31% -33.3% 1560 ± 4%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
2340 -33.3% 1560 GEO-MEAN
sched_debug.cfs_rq[2]:/.avg->runnable_avg_sum
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
77032 ± 7% -15.7% 64945 ± 4%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
77032 -15.7% 64945 GEO-MEAN
sched_debug.cpu#1.nr_load_updates
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
718 ± 5% +18.6% 852 ± 3%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
718 +18.6% 852 GEO-MEAN
slabinfo.btrfs_trans_handle.active_objs
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
723 ± 5% +18.8% 859 ± 3%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
723 +18.8% 859 GEO-MEAN
slabinfo.btrfs_trans_handle.num_objs
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
4889 ± 5% -13.4% 4233 ± 5%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
4889 -13.4% 4233 GEO-MEAN
sched_debug.cpu#3.curr->pid
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
4606 ± 2% +14.4% 5268 ± 3%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
4606 +14.4% 5268 GEO-MEAN
sched_debug.cpu#2.curr->pid
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
63213 ± 0% +13.2% 71544 ± 0%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
63213 +13.2% 71544 GEO-MEAN softirqs.SCHED
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
166 ± 4% +10.1% 183 ± 4%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
166 +10.1% 183 GEO-MEAN uptime.idle
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
418402 ± 6% +250.9% 1468345 ± 0%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
418402 +250.9% 1468345 GEO-MEAN
time.voluntary_context_switches
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
1434 ± 0% +56.3% 2241 ± 1%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
1433 +56.3% 2241 GEO-MEAN vmstat.system.in
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
5144 ± 0% +6.8% 5493 ± 0%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
2610 ± 0% +65.1% 4310 ± 1%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
3664 +32.8% 4865 GEO-MEAN vmstat.system.cs
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
10375 ± 3% -7.7% 9576 ± 3%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
10374 -7.7% 9576 GEO-MEAN
time.involuntary_context_switches
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
3210548 ± 0% +6.7% 3426526 ± 0%
bay/dd-write/performance-1HDD-cfq-xfs-10dd
3210548 +6.7% 3426526 GEO-MEAN
perf-stat.context-switches
227dfb4dbf109596 18dcf433f3ded61eb140a55e70
---------------- --------------------------
706310 ± 1% -3.2% 683678 ± 0%
bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync
706310 -3.2% 683678 GEO-MEAN time.file_system_inputs
bay: Pentium D
Memory: 2G
time.voluntary_context_switches
1.6e+06 ++----------------------------------------------------------------+
| O O O O O O O O O OO O O O O |
1.4e+06 O+O O OO O |
| |
1.2e+06 ++ |
| |
1e+06 ++ |
| |
800000 ++ |
| |
600000 ++ |
| .*. |
400000 *+*.*.**.*.*.*.*.**.*.*.*.*.**.*.*.*.*.**.*.*.*.*.**.*.*.* **.*.*
| |
200000 ++----------------------------------------------------------------+
softirqs.SCHED
78000 ++------------------------------------------------------------------+
| O |
76000 ++ O |
74000 ++ |
| O O O O O O * |
72000 ++O O O O O O O O O O O |
70000 O+ O :: |
| : : |
68000 ++ : : |
66000 ++ : : |
| : : |
64000 *+ : :.*.**. .*.*. *.*. .*.|
62000 ++ *.*.* .*.*.*. .*.*.*. *. .*.* * *.*.*.* *.* * *
|: + * * * *.* |
60000 ++*-----------------------------------------------------------------+
vmstat.system.in
2600 ++-------------------------------------------------------------------+
2400 ++ O |
| O O O O O O O O O O |
2200 O+O O O O O O O OO |
2000 ++ |
| |
1800 ++ |
1600 ++ |
1400 *+ *.*.*.*.**.*.*.*.*.*.*.*.*.*.*.**.*.*.*.*.*.*.*.*.*.*.**.*.*.*.*.*
| : |
1200 ++ : |
1000 ++ : |
| : |
800 ++* |
600 ++-------------------------------------------------------------------+
vmstat.system.cs
5000 ++-------------------------------------------------------------------+
| |
4500 ++ O O O OO O O O O O OO O |
4000 O+O O O O O O O |
| |
3500 ++ |
| |
3000 ++ |
| *.*.*. .*. .*.*.*.*.*. .*. *.*.*.*. .*. .*.*.*.*.**.*.*.*.*.*
2500 *+ : *.** * * *.* * * |
2000 ++ : |
|: : |
1500 ++: |
| * |
1000 ++-------------------------------------------------------------------+
sched_debug.cfs_rq[3]:/.exec_clock
35000 ++------------------------------------------------------------------+
| |
30000 ++ * |
| .* .*.* *. .* : + .*. *.*.*. .* .* |
|.*.*.* :.* + + * *. : * *.* * *.* + .*.**.* + .*
25000 *+ * *.* * + + * * |
| * |
20000 ++ |
| |
15000 ++ |
O O O |
| O |
10000 ++ O O O O O O |
| O OO O O O O O O O O |
5000 ++------------------------------------------------------------------+
sched_debug.cfs_rq[3]:/.min_vruntime
40000 ++------------------------------------------------------------------+
| * |
35000 ++ :: * |
| .*.* .* : : .*. :+ .* |
| .* * + .*.* *. : : *.* * *.*. .* + .*.**.*.*. .*
30000 ++*.*.* :+ *.* * *. + * * * |
* * * |
25000 ++ |
| |
20000 ++ |
| |
O |
15000 ++O O O O |
| O O O O O OO O O O O |
10000 ++----O-OO--------------------------O-O-----------------------------+
[*] bisect-good sample
[O] bisect-bad sample
To reproduce:
apt-get install ruby ruby-oj
git clone
git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
cd lkp-tests
bin/setup-local job.yaml # the job file attached in this email
bin/run-local job.yaml
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
---
testcase: fileio
default_monitors:
wait: pre-test
uptime:
iostat:
vmstat:
numa-numastat:
numa-vmstat:
numa-meminfo:
proc-vmstat:
proc-stat:
meminfo:
slabinfo:
interrupts:
lock_stat:
latency_stats:
softirqs:
bdi_dev_mapping:
diskstats:
energy:
cpuidle:
cpufreq:
turbostat:
sched_debug:
interval: 10
pmeter:
default_watchdogs:
watch-oom:
watchdog:
cpufreq_governor:
- performance
commit: f114040e3ea6e07372334ade75d1ee0775c355e1
model: Pentium D
nr_cpu: 4
memory: 2G
hdd_partitions: "/dev/disk/by-id/ata-ST3750528AS_6VP2TCZN-part1"
swap_partitions: "/dev/disk/by-id/ata-ST3750528AS_9VP5LPHN-part5"
rootfs_partition: "/dev/disk/by-id/ata-ST3750528AS_6VP2TCZN-part2"
period: 600s
nr_threads: 100%
disk: 1HDD
fs:
- btrfs
size: 64G
fileio:
filenum: 1024f
rwmode:
- rndrw
iomode:
- sync
enqueue_time: 2014-10-20 10:09:35.766127772 +08:00
testbox: bay
tbox_group: bay
kconfig: x86_64-rhel
head_commit: e0911a5d8b56753716bd15de3d2fb1d5fa39ced2
base_commit: f114040e3ea6e07372334ade75d1ee0775c355e1
branch: linux-devel/devel-hourly-2014102016
kernel:
"/kernel/x86_64-rhel/f114040e3ea6e07372334ade75d1ee0775c355e1/vmlinuz-3.18.0-rc1-gf114040"
user: lkp
queue: cyclic
result_root:
"/result/bay/fileio/performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync/debian-x86_64.cgz/x86_64-rhel/f114040e3ea6e07372334ade75d1ee0775c355e1/0"
job_file:
"/lkp/scheduled/bay/cyclic_fileio-performance-600s-100%-1HDD-btrfs-64G-1024f-rndrw-sync-x86_64-rhel-BASE-f114040e3ea6e07372334ade75d1ee0775c355e1-0.yaml"
dequeue_time: 2014-10-20 17:41:06.590446117 +08:00
job_state: finished
loadavg: 3.12 3.41 2.18 1/131 16764
start_time: '1413798109'
end_time: '1413799493'
version: "/lkp/lkp/.src-20141020-171003"
echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor
mkfs -t btrfs /dev/sda1
mount -t btrfs /dev/sda1 /fs/sda1
cd /fs/sda1
sysbench --test=fileio --max-requests=0 --num-threads=4 --max-time=600
--file-test-mode=rndrw --file-total-size=68719476736 --file-io-mode=sync
--file-num=1024 prepare
sysbench --test=fileio --max-requests=0 --num-threads=4 --max-time=600
--file-test-mode=rndrw --file-total-size=68719476736 --file-io-mode=sync
--file-num=1024 run
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