Linus Torvalds writes: (Summary)
Anyway, I think the _real_ change has nothing to with instruction
scheduling, and everything to do with this:
scheduling, and everything to do with this:
107.62 =C2=B1 37% +139.1% 257.38 =C2=B1 16% vmstat.io.bo 48740 =C2=B1 36% +191.4% 142047 =C2=B1 16% proc-vmstat.pgpgout 48740 =C2=B1 36% +191.4% 142047 =C2=B1 16% proc-vmstat.pgpgout (There's fairly big variation in those numbers, but the changes are even bigger) or this:
even bigger) or this:
258.12 -100.0% 0.00 turbostat.Avg_MHz 21.48 -21.5 0.00 turbostat.Busy% 21.48 -21.5 0.00 turbostat.Busy% or this:
or this:
27397 =C2=B1194% +43598.3% 11972338 =C2=B1139%
latency_stats.max.io_schedule.nfs_lock_and_join_requests.nfs_updatepage.nfs= _write_end.generic_perform_write.nfs_file_write.__vfs_write.vfs_write.SyS_w= rite.entry_SYSCALL_64_fastpath
27942 =C2=B1189% +96489.5% 26989044 =C2=B1
scheduling, and everything to do with this:
107.62 =C2=B1 37% +139.1% 257.38 =C2=B1 16% vmstat.io.bo 48740 =C2=B1 36% +191.4% 142047 =C2=B1 16% proc-vmstat.pgpgout 48740 =C2=B1 36% +191.4% 142047 =C2=B1 16% proc-vmstat.pgpgout (There's fairly big variation in those numbers, but the changes are even bigger) or this:
even bigger) or this:
258.12 -100.0% 0.00 turbostat.Avg_MHz 21.48 -21.5 0.00 turbostat.Busy% 21.48 -21.5 0.00 turbostat.Busy% or this:
or this:
27397 =C2=B1194% +43598.3% 11972338 =C2=B1139%
latency_stats.max.io_schedule.nfs_lock_and_join_requests.nfs_updatepage.nfs= _write_end.generic_perform_write.nfs_file_write.__vfs_write.vfs_write.SyS_w= rite.entry_SYSCALL_64_fastpath
27942 =C2=B1189% +96489.5% 26989044 =C2=B1