[lkp] [thp] 79553da293d: +1.8% fileio.time.file_system_inputs
FYI, we noticed the below changes on
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit 79553da293d38d63097278de13e28a3b371f43c1 ("thp: cleanup khugepaged
startup")
=
tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/disk/iosched/fs/nr_threads:
bay/dd-write/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/1HDD/cfq/xfs/10dd
commit:
e39155ea11eac6da056b04669d7c9fc612e2065a
79553da293d38d63097278de13e28a3b371f43c1
e39155ea11eac6da 79553da293d38d63097278de13
--
%stddev %change %stddev
\ |\
30460 ± 0% +34.3% 40920 ± 0% softirqs.BLOCK
231.27 ± 4% -17.3% 191.30 ± 3% uptime.idle
765.75 ± 7% +19.7% 916.50 ± 4% slabinfo.kmalloc-512.active_objs
972.25 ± 8% +17.4% 1141 ± 5% slabinfo.kmalloc-512.num_objs
74.00 ± 0% +15.9% 85.75 ± 10% vmstat.memory.buff
91092 ± 0% -62.3% 34370 ± 1% vmstat.memory.free
22460 ± 1% +29.2% 29026 ± 1% ftrace.global_dirty_state.dirty
35516 ± 1% -11.0% 31615 ± 0%
ftrace.global_dirty_state.writeback
2.00 ± 0% +50.0% 3.00 ± 0%
ftrace.writeback_single_inode.sda.age
4913 ± 1% +35.7% ± 1%
ftrace.writeback_single_inode.sda.wrote
36958 ± 4% -67.3% 12083 ± 28% meminfo.AnonHugePages
89634 ± 0% +29.2% 115815 ± 1% meminfo.Dirty
1315242 ± 0% +10.4%1451507 ± 0% meminfo.MemAvailable
87870 ± 0% -63.5% 32046 ± 2% meminfo.MemFree
142291 ± 1% -11.2% 126331 ± 0% meminfo.Writeback
2.76 ± 14% +22.8% 3.39 ± 8%
perf-profile.cpu-cycles.__clear_user.iov_iter_zero.read_iter_zero.new_sync_read.__vfs_read
4.94 ± 16% +31.2% 6.48 ± 6%
perf-profile.cpu-cycles.__memset.xfs_vm_write_begin.generic_perform_write.xfs_file_buffered_aio_write.xfs_file_write_iter
1.31 ± 34% -50.4% 0.65 ± 36%
perf-profile.cpu-cycles.end_page_writeback.end_buffer_async_write.xfs_destroy_ioend.xfs_end_io.process_one_work
0.86 ± 24% -44.1% 0.48 ± 42%
perf-profile.cpu-cycles.handle_pte_fault.handle_mm_fault.__do_page_fault.do_page_fault.page_fault
1.15 ± 27% -50.4% 0.57 ± 39%
perf-profile.cpu-cycles.test_clear_page_writeback.end_page_writeback.end_buffer_async_write.xfs_destroy_ioend.xfs_end_io
0.76 ± 39% +65.6% 1.26 ± 23%
perf-profile.cpu-cycles.try_to_free_buffers.xfs_vm_releasepage.try_to_release_page.shrink_page_list.shrink_inactive_list
0.00 ± -1% +Inf% 9581 ± 43%
latency_stats.avg.do_truncate.do_sys_ftruncate.SyS_ftruncate.system_call_fastpath
0.00 ± -1% +Inf% 500330 ± 58%
latency_stats.avg.xfs_file_buffered_aio_write.xfs_file_write_iter.new_sync_write.vfs_write.SyS_write.system_call_fastpath
163371 ± 3% +26.6% 206775 ± 1%
latency_stats.hits.ring_buffer_wait.wait_on_pipe.tracing_wait_pipe.tracing_read_pipe.__vfs_read.vfs_read.SyS_read.system_call_fastpath
0.00 ± -1% +Inf% 32695 ± 10%
latency_stats.max.do_truncate.do_sys_ftruncate.SyS_ftruncate.system_call_fastpath
0.00 ± -1% +Inf% 669208 ± 18%
latency_stats.max.xfs_file_buffered_aio_write.xfs_file_write_iter.new_sync_write.vfs_write.SyS_write.system_call_fastpath
0.00 ± -1% +Inf% 53331 ± 28%
latency_stats.sum.do_truncate.do_sys_ftruncate.SyS_ftruncate.system_call_fastpath
0.00 ± -1% +Inf% 706140 ± 12%
latency_stats.sum.xfs_file_buffered_aio_write.xfs_file_write_iter.new_sync_write.vfs_write.SyS_write.system_call_fastpath
394.50 ± 24% -53.2% 184.50 ± 37% sched_debug.cfs_rq[3]:/.load
37.00 ± 34% +51.4% 56.00 ± 17% sched_debug.cpu#1.cpu_load[1]
84.75 ± 19% -52.8% 40.00 ± 68% sched_debug.cpu#3.cpu_load[0]
69.25 ± 20% -50.5% 34.25 ± 34% sched_debug.cpu#3.cpu_load[1]
50.25 ± 11% -45.8% 27.25 ± 23% sched_debug.cpu#3.cpu_load[2]
36.25 ± 5% -37.9% 22.50 ± 22% sched_debug.cpu#3.cpu_load[3]
394.50 ± 24% -53.2% 184.50 ± 37% sched_debug.cpu#3.load
2.138e+11 ± 0% -1.4% 2.108e+11 ± 0% perf-stat.L1-dcache-loads
2.483e+08 ± 0% -4.3% 2.376e+08 ± 0% perf-stat.L1-dcache-prefetches
4.605e+09 ± 0% +7.8% 4.962e+09 ± 0% perf-stat.L1-icache-load-misses
5.684e+11 ± 0% +2.0% 5.797e+11 ± 0% perf-stat.L1-icache-loads
1.637e+08 ± 0% +15.8% 1.895e+08 ± 1% perf-stat.LLC-load-misses
1.089e+11 ± 0% +1.3% 1.103e+11 ± 0% perf-stat.branch-loads
8.163e+10 ± 0% +2.9% 8.396e+10 ± 1% perf-stat.bus-cycles
3.116e+08 ± 1% +9.6% 3.415e+08 ± 0% perf-stat.cache-misses
9306030 ± 1% -1.4%9171655 ± 0%
[lkp] [thp] 79553da293d: +1.8% fileio.time.file_system_inputs
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master commit 79553da293d38d63097278de13e28a3b371f43c1 (thp: cleanup khugepaged startup) = tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/disk/iosched/fs/nr_threads: bay/dd-write/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/1HDD/cfq/xfs/10dd commit: e39155ea11eac6da056b04669d7c9fc612e2065a 79553da293d38d63097278de13e28a3b371f43c1 e39155ea11eac6da 79553da293d38d63097278de13 -- %stddev %change %stddev \ |\ 30460 ± 0% +34.3% 40920 ± 0% softirqs.BLOCK 231.27 ± 4% -17.3% 191.30 ± 3% uptime.idle 765.75 ± 7% +19.7% 916.50 ± 4% slabinfo.kmalloc-512.active_objs 972.25 ± 8% +17.4% 1141 ± 5% slabinfo.kmalloc-512.num_objs 74.00 ± 0% +15.9% 85.75 ± 10% vmstat.memory.buff 91092 ± 0% -62.3% 34370 ± 1% vmstat.memory.free 22460 ± 1% +29.2% 29026 ± 1% ftrace.global_dirty_state.dirty 35516 ± 1% -11.0% 31615 ± 0% ftrace.global_dirty_state.writeback 2.00 ± 0% +50.0% 3.00 ± 0% ftrace.writeback_single_inode.sda.age 4913 ± 1% +35.7% ± 1% ftrace.writeback_single_inode.sda.wrote 36958 ± 4% -67.3% 12083 ± 28% meminfo.AnonHugePages 89634 ± 0% +29.2% 115815 ± 1% meminfo.Dirty 1315242 ± 0% +10.4%1451507 ± 0% meminfo.MemAvailable 87870 ± 0% -63.5% 32046 ± 2% meminfo.MemFree 142291 ± 1% -11.2% 126331 ± 0% meminfo.Writeback 2.76 ± 14% +22.8% 3.39 ± 8% perf-profile.cpu-cycles.__clear_user.iov_iter_zero.read_iter_zero.new_sync_read.__vfs_read 4.94 ± 16% +31.2% 6.48 ± 6% perf-profile.cpu-cycles.__memset.xfs_vm_write_begin.generic_perform_write.xfs_file_buffered_aio_write.xfs_file_write_iter 1.31 ± 34% -50.4% 0.65 ± 36% perf-profile.cpu-cycles.end_page_writeback.end_buffer_async_write.xfs_destroy_ioend.xfs_end_io.process_one_work 0.86 ± 24% -44.1% 0.48 ± 42% perf-profile.cpu-cycles.handle_pte_fault.handle_mm_fault.__do_page_fault.do_page_fault.page_fault 1.15 ± 27% -50.4% 0.57 ± 39% perf-profile.cpu-cycles.test_clear_page_writeback.end_page_writeback.end_buffer_async_write.xfs_destroy_ioend.xfs_end_io 0.76 ± 39% +65.6% 1.26 ± 23% perf-profile.cpu-cycles.try_to_free_buffers.xfs_vm_releasepage.try_to_release_page.shrink_page_list.shrink_inactive_list 0.00 ± -1% +Inf% 9581 ± 43% latency_stats.avg.do_truncate.do_sys_ftruncate.SyS_ftruncate.system_call_fastpath 0.00 ± -1% +Inf% 500330 ± 58% latency_stats.avg.xfs_file_buffered_aio_write.xfs_file_write_iter.new_sync_write.vfs_write.SyS_write.system_call_fastpath 163371 ± 3% +26.6% 206775 ± 1% latency_stats.hits.ring_buffer_wait.wait_on_pipe.tracing_wait_pipe.tracing_read_pipe.__vfs_read.vfs_read.SyS_read.system_call_fastpath 0.00 ± -1% +Inf% 32695 ± 10% latency_stats.max.do_truncate.do_sys_ftruncate.SyS_ftruncate.system_call_fastpath 0.00 ± -1% +Inf% 669208 ± 18% latency_stats.max.xfs_file_buffered_aio_write.xfs_file_write_iter.new_sync_write.vfs_write.SyS_write.system_call_fastpath 0.00 ± -1% +Inf% 53331 ± 28% latency_stats.sum.do_truncate.do_sys_ftruncate.SyS_ftruncate.system_call_fastpath 0.00 ± -1% +Inf% 706140 ± 12% latency_stats.sum.xfs_file_buffered_aio_write.xfs_file_write_iter.new_sync_write.vfs_write.SyS_write.system_call_fastpath 394.50 ± 24% -53.2% 184.50 ± 37% sched_debug.cfs_rq[3]:/.load 37.00 ± 34% +51.4% 56.00 ± 17% sched_debug.cpu#1.cpu_load[1] 84.75 ± 19% -52.8% 40.00 ± 68% sched_debug.cpu#3.cpu_load[0] 69.25 ± 20% -50.5% 34.25 ± 34% sched_debug.cpu#3.cpu_load[1] 50.25 ± 11% -45.8% 27.25 ± 23% sched_debug.cpu#3.cpu_load[2] 36.25 ± 5% -37.9% 22.50 ± 22% sched_debug.cpu#3.cpu_load[3] 394.50 ± 24% -53.2% 184.50 ± 37% sched_debug.cpu#3.load 2.138e+11 ± 0% -1.4% 2.108e+11 ± 0% perf-stat.L1-dcache-loads 2.483e+08 ± 0% -4.3% 2.376e+08 ± 0% perf-stat.L1-dcache-prefetches 4.605e+09 ± 0% +7.8% 4.962e+09 ± 0% perf-stat.L1-icache-load-misses 5.684e+11 ± 0% +2.0% 5.797e+11 ± 0% perf-stat.L1-icache-loads 1.637e+08 ± 0% +15.8% 1.895e+08 ± 1% perf-stat.LLC-load-misses 1.089e+11 ± 0% +1.3% 1.103e+11 ± 0% perf-stat.branch-loads 8.163e+10 ± 0% +2.9% 8.396e+10 ± 1% perf-stat.bus-cycles 3.116e+08 ± 1% +9.6% 3.415e+08 ± 0% perf-stat.cache-misses 9306030 ± 1% -1.4%9171655 ± 0%
