https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=216759
Dimitry Andric <d...@freebsd.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |d...@freebsd.org
--- Comment #22 from Dimitry Andric <d...@freebsd.org> ---
With https://reviews.freebsd.org/D29733 applied on top of 13.0-RELEASE, running
a FreeBSD guest on Ubuntu 18.04.3 LTS, with qemu-kvm 1:2.11+dfsg-1ubuntu7.19, I
see the following difference in sysbench results:
--- sysbench-acpi-fast.txt 2021-04-28 20:40:05.529460000 +0200
+++ sysbench-kvmclock.txt 2021-04-28 20:33:52.083953000 +0200
@@ -21,28 +21,28 @@
Done.
-Total operations: 524288 (66548.67 per second)
+Total operations: 524288 (2142666.15 per second)
-512.00 MiB transferred (64.99 MiB/sec)
+512.00 MiB transferred (2092.45 MiB/sec)
General statistics:
- total time: 7.8730s
+ total time: 0.2397s
total number of events: 524288
Latency (ms):
min: 0.00
- avg: 0.01
- max: 0.85
- 95th percentile: 0.01
- sum: 2644.91
+ avg: 0.00
+ max: 0.03
+ 95th percentile: 0.00
+ sum: 101.93
Threads fairness:
events (avg/stddev): 524288.0000/0.00
- execution time (avg/stddev): 2.6449/0.00
+ execution time (avg/stddev): 0.1019/0.00
DEBUG: Verbose per-thread statistics:
-DEBUG: thread # 0: min: 0.0000s avg: 0.0000s max: 0.0008s events:
524288
-DEBUG: total time taken by event execution: 2.6449s
+DEBUG: thread # 0: min: 0.0000s avg: 0.0000s max: 0.0000s events:
524288
+DEBUG: total time taken by event execution: 0.1019s
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