> We obsevered 150% performance gain with vm-scalability/300s-mmap-pread-seq > testcase with this patch applied. Here is a list of changes we got so far: > > testbox : brickland
got some explain of brickland on wiki: High-end server platform based on the Ivy Bridge-EX processor > testcase: vm-scalability/300s-mmap-pread-seq https://github.com/aristeu/vm-scalability Thanks a lot for testing! :) Do you have data of base upstream commit? > > > f1b6442c7dd12802e622 d70495ef86f397816d73 > (parent commit) (this commit) > ------------------------ ------------------------ > 26393249.80 +150.9% 66223933.60 vm-scalability.throughput > > 225.12 -49.9% 112.75 time.elapsed_time > 36333.40 -90.7% 3392.20 vmstat.system.cs > 2.40 +375.0% 11.40 vmstat.cpu.id > 3770081.60 -97.7% 87673.40 time.major_page_faults > 3975276.20 -97.0% 117409.60 > time.voluntary_context_switches > 3.05 +301.7% 12.24 iostat.cpu.idle > 21118.41 -70.3% 6277.19 time.system_time > 18.40 +130.4% 42.40 vmstat.cpu.us > 77.00 -41.3% 45.20 vmstat.cpu.sy > 47459.60 -31.3% 32592.20 vmstat.system.in > 82435.40 -12.1% 72443.60 > time.involuntary_context_switches > 5128.13 +14.0% 5848.30 time.user_time > 11656.20 -7.8% 10745.60 > time.percent_of_cpu_this_job_got > 1069997484.80 +0.3% 1073679919.00 time.minor_page_faults > -- Thanks Alex -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
