FYI, we noticed the below changes on
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit c9dc4c6578502c2085705347375b82089aad18d0 ("Btrfs: two stage dirty block
group writeout")
testcase/path_params/tbox_group:
fsmark/performance-1x-1t-1HDD-btrfs-4M-60G-NoSync/ivb44
4c6d1d85ad89fd8e c9dc4c6578502c208570534737
---------------- --------------------------
462211 ± 1% +16.8% 539707 ± 0% fsmark.app_overhead
35.27 ± 0% +9.8% 38.74 ± 1% fsmark.files_per_sec
9 ± 0% +17.8% 10 ± 4%
fsmark.time.percent_of_cpu_this_job_got
9864 ± 2% +156.9% 25345 ± 4%
fsmark.time.voluntary_context_switches
435 ± 0% -9.0% 396 ± 1% fsmark.time.elapsed_time
435 ± 0% -9.0% 396 ± 1% fsmark.time.elapsed_time.max
21057 ± 0% -9.0% 19165 ± 1% uptime.idle
68983 ± 2% +19.1% 82190 ± 4% softirqs.RCU
129619 ± 0% +3.2% 133743 ± 0% vmstat.io.bo
1 ± 0% +100.0% 2 ± 0% vmstat.procs.b
18873 ± 0% +14.9% 21692 ± 1% vmstat.system.cs
1787510 ± 1% +117.0% 3878984 ± 2% meminfo.Dirty
5585235 ± 0% +25.5% 7011242 ± 0% meminfo.Writeback
8276795 ± 10% +15.9% 9592682 ± 0% numa-numastat.node0.local_node
8287205 ± 10% +16.0% 9611684 ± 0% numa-numastat.node0.numa_hit
2447873 ± 42% -67.9% 785086 ± 33% numa-numastat.node1.numa_hit
2413662 ± 43% -68.1% 771115 ± 31% numa-numastat.node1.local_node
435 ± 0% -9.0% 396 ± 1% time.elapsed_time
435 ± 0% -9.0% 396 ± 1% time.elapsed_time.max
9 ± 0% +17.8% 10 ± 4% time.percent_of_cpu_this_job_got
0.41 ± 1% +17.1% 0.48 ± 4% time.user_time
9864 ± 2% +156.9% 25345 ± 4% time.voluntary_context_switches
5.189e+08 ± 0% +72.6% 8.956e+08 ± 1% cpuidle.C1-IVT.time
4626942 ± 19% +49.6% 6924087 ± 22% cpuidle.C1E-IVT.time
2646692 ± 7% +75.0% 4630890 ± 23% cpuidle.C3-IVT.time
2.028e+10 ± 0% -11.1% 1.803e+10 ± 1% cpuidle.C6-IVT.time
268137 ± 0% +12.2% 300911 ± 2% cpuidle.C6-IVT.usage
222 ± 11% +47.0% 326 ± 25% cpuidle.POLL.usage
0.69 ± 2% +7.2% 0.74 ± 3% turbostat.%Busy
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,
Ying Huang
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