Re: [Qemu-devel] [PATCH] tests/vm: Use subprocess.Popen() with to uncompress XZ files

2018-11-01 Thread Fam Zheng
On Sat, 10/13 02:30, Philippe Mathieu-Daudé wrote: > Avoiding the file copy greatly speeds the process up. > > Comparison with network file already cached, stopping after build_image(): > > Before: > $ time make vm-build-freebsd > real1m38.153s > user1m16.871s > sys 0m19.325s

[Qemu-devel] [PATCH] tests/vm: Use subprocess.Popen() with to uncompress XZ files

2018-10-12 Thread Philippe Mathieu-Daudé
Avoiding the file copy greatly speeds the process up. Comparison with network file already cached, stopping after build_image(): Before: $ time make vm-build-freebsd real1m38.153s user1m16.871s sys 0m19.325s After: $ time make vm-build-freebsd real0m13.512s user