search for: 2528ms

...> > (setting page poisoning zero and enabling ksm don't affect the > > comparison result) > > - Guest with Linux Compilation Workload (make bzImage -j4): > > - Live Migration Time (average) > > Optimization v.s. Legacy = 1407ms v.s. 2528ms --> ~44% reduction > > - Linux Compilation Time > > Optimization v.s. Legacy = 5min4s v.s. 5min12s > > --> no obvious difference > > I'd like to see dgilbert's take on whether this kind of gain > justifies adding a PV interfaces,...

...lts are averaged over 10 runs): > > - Optimization v.s. Legacy = 284ms vs 1757ms --> ~84% reduction > > - Guest with Linux Compilation Workload (make bzImage -j4): > > - Live Migration Time (average) > > Optimization v.s. Legacy = 1402ms v.s. 2528ms --> ~44% reduction > > - Linux Compilation Time > > Optimization v.s. Legacy = 5min6s v.s. 5min12s > > --> no obvious difference > > > > Being in version 34 already, this whole thing still looks and feels like > a big hack to me....

...lts are averaged over 10 runs): > > - Optimization v.s. Legacy = 284ms vs 1757ms --> ~84% reduction > > - Guest with Linux Compilation Workload (make bzImage -j4): > > - Live Migration Time (average) > > Optimization v.s. Legacy = 1402ms v.s. 2528ms --> ~44% reduction > > - Linux Compilation Time > > Optimization v.s. Legacy = 5min6s v.s. 5min12s > > --> no obvious difference > > > > Being in version 34 already, this whole thing still looks and feels like > a big hack to me....

...7ms --> ~77% reduction > (setting page poisoning zero and enabling ksm don't affect the > comparison result) > - Guest with Linux Compilation Workload (make bzImage -j4): > - Live Migration Time (average) > Optimization v.s. Legacy = 1407ms v.s. 2528ms --> ~44% reduction > - Linux Compilation Time > Optimization v.s. Legacy = 5min4s v.s. 5min12s > --> no obvious difference > > ChangeLog: > v35->v36: > - remove the mm patch, as Linus has a suggestion to get free page > address...

...7ms --> ~77% reduction > (setting page poisoning zero and enabling ksm don't affect the > comparison result) > - Guest with Linux Compilation Workload (make bzImage -j4): > - Live Migration Time (average) > Optimization v.s. Legacy = 1407ms v.s. 2528ms --> ~44% reduction > - Linux Compilation Time > Optimization v.s. Legacy = 5min4s v.s. 5min12s > --> no obvious difference I'd like to see dgilbert's take on whether this kind of gain justifies adding a PV interfaces, and what kind of guest worklo...

...ting page poisoning zero and enabling ksm don't affect the >>> comparison result) >>> - Guest with Linux Compilation Workload (make bzImage -j4): >>> - Live Migration Time (average) >>> Optimization v.s. Legacy = 1407ms v.s. 2528ms --> ~44% reduction >>> - Linux Compilation Time >>> Optimization v.s. Legacy = 5min4s v.s. 5min12s >>> --> no obvious difference >> I'd like to see dgilbert's take on whether this kind of gain >> justifies adding a...

...r 10 runs): > > > - Optimization v.s. Legacy = 284ms vs 1757ms --> ~84% reduction > > > - Guest with Linux Compilation Workload (make bzImage -j4): > > > - Live Migration Time (average) > > > Optimization v.s. Legacy = 1402ms v.s. 2528ms --> ~44% reduction > > > - Linux Compilation Time > > > Optimization v.s. Legacy = 5min6s v.s. 5min12s > > > --> no obvious difference > > > > > > > Being in version 34 already, this whole thing still looks and feels...

...enabling ksm don't affect the > > > > comparison result) > > > > - Guest with Linux Compilation Workload (make bzImage -j4): > > > > - Live Migration Time (average) > > > > Optimization v.s. Legacy = 1407ms v.s. 2528ms --> ~44% reduction > > > > - Linux Compilation Time > > > > Optimization v.s. Legacy = 5min4s v.s. 5min12s > > > > --> no obvious difference > > > I'd like to see dgilbert's take on whether this kind of gain &...

...lts are averaged over 10 runs): >> - Optimization v.s. Legacy = 284ms vs 1757ms --> ~84% reduction >> - Guest with Linux Compilation Workload (make bzImage -j4): >> - Live Migration Time (average) >> Optimization v.s. Legacy = 1402ms v.s. 2528ms --> ~44% reduction >> - Linux Compilation Time >> Optimization v.s. Legacy = 5min6s v.s. 5min12s >> --> no obvious difference >> > Being in version 34 already, this whole thing still looks and feels like > a big hack to me. It might...

...lts are averaged over 10 runs): >> - Optimization v.s. Legacy = 284ms vs 1757ms --> ~84% reduction >> - Guest with Linux Compilation Workload (make bzImage -j4): >> - Live Migration Time (average) >> Optimization v.s. Legacy = 1402ms v.s. 2528ms --> ~44% reduction >> - Linux Compilation Time >> Optimization v.s. Legacy = 5min6s v.s. 5min12s >> --> no obvious difference >> > Being in version 34 already, this whole thing still looks and feels like > a big hack to me. It might...

....s. Legacy = 409ms vs 1757ms --> ~77% reduction (setting page poisoning zero and enabling ksm don't affect the comparison result) - Guest with Linux Compilation Workload (make bzImage -j4): - Live Migration Time (average) Optimization v.s. Legacy = 1407ms v.s. 2528ms --> ~44% reduction - Linux Compilation Time Optimization v.s. Legacy = 5min4s v.s. 5min12s --> no obvious difference ChangeLog: v35->v36: - remove the mm patch, as Linus has a suggestion to get free page addresses via allocation, instead of reading fr...

....s. Legacy = 409ms vs 1757ms --> ~77% reduction (setting page poisoning zero and enabling ksm don't affect the comparison result) - Guest with Linux Compilation Workload (make bzImage -j4): - Live Migration Time (average) Optimization v.s. Legacy = 1407ms v.s. 2528ms --> ~44% reduction - Linux Compilation Time Optimization v.s. Legacy = 5min4s v.s. 5min12s --> no obvious difference ChangeLog: v35->v36: - remove the mm patch, as Linus has a suggestion to get free page addresses via allocation, instead of reading fr...

...over 10 runs): >>> - Optimization v.s. Legacy = 284ms vs 1757ms --> ~84% reduction >>> - Guest with Linux Compilation Workload (make bzImage -j4): >>> - Live Migration Time (average) >>> Optimization v.s. Legacy = 1402ms v.s. 2528ms --> ~44% reduction >>> - Linux Compilation Time >>> Optimization v.s. Legacy = 5min6s v.s. 5min12s >>> --> no obvious difference >>> >> Being in version 34 already, this whole thing still looks and feels like >> a...

...Migration Time (results are averaged over 10 runs): > - Optimization v.s. Legacy = 284ms vs 1757ms --> ~84% reduction > - Guest with Linux Compilation Workload (make bzImage -j4): > - Live Migration Time (average) > Optimization v.s. Legacy = 1402ms v.s. 2528ms --> ~44% reduction > - Linux Compilation Time > Optimization v.s. Legacy = 5min6s v.s. 5min12s > --> no obvious difference > Being in version 34 already, this whole thing still looks and feels like a big hack to me. It might just be me, but especially...

...- Idle Guest Live Migration Time (results are averaged over 10 runs): - Optimization v.s. Legacy = 284ms vs 1757ms --> ~84% reduction - Guest with Linux Compilation Workload (make bzImage -j4): - Live Migration Time (average) Optimization v.s. Legacy = 1402ms v.s. 2528ms --> ~44% reduction - Linux Compilation Time Optimization v.s. Legacy = 5min6s v.s. 5min12s --> no obvious difference ChangeLog: v33->v34: - mm: - add a new API max_free_page_blocks, which estimates the max number of free page blocks that a...

...- Idle Guest Live Migration Time (results are averaged over 10 runs): - Optimization v.s. Legacy = 284ms vs 1757ms --> ~84% reduction - Guest with Linux Compilation Workload (make bzImage -j4): - Live Migration Time (average) Optimization v.s. Legacy = 1402ms v.s. 2528ms --> ~44% reduction - Linux Compilation Time Optimization v.s. Legacy = 5min6s v.s. 5min12s --> no obvious difference ChangeLog: v33->v34: - mm: - add a new API max_free_page_blocks, which estimates the max number of free page blocks that a...

...- Idle Guest Live Migration Time (results are averaged over 10 runs): - Optimization v.s. Legacy = 278ms vs 1757ms --> ~84% reduction - Guest with Linux Compilation Workload (make bzImage -j4): - Live Migration Time (average) Optimization v.s. Legacy = 1408ms v.s. 2528ms --> ~44% reduction - Linux Compilation Time Optimization v.s. Legacy = 5min3s v.s. 5min12s --> no obvious difference ChangeLog: v32->v33: - mm/get_from_free_page_list: The new implementation to get free page hints based on the suggestions from Linus:...

...- Idle Guest Live Migration Time (results are averaged over 10 runs): - Optimization v.s. Legacy = 278ms vs 1757ms --> ~84% reduction - Guest with Linux Compilation Workload (make bzImage -j4): - Live Migration Time (average) Optimization v.s. Legacy = 1408ms v.s. 2528ms --> ~44% reduction - Linux Compilation Time Optimization v.s. Legacy = 5min3s v.s. 5min12s --> no obvious difference ChangeLog: v32->v33: - mm/get_from_free_page_list: The new implementation to get free page hints based on the suggestions from Linus:...

....s. Legacy = 291ms vs 1757ms --> ~84% reduction (setting page poisoning zero and enabling ksm don't affect the comparison result) - Guest with Linux Compilation Workload (make bzImage -j4): - Live Migration Time (average) Optimization v.s. Legacy = 1420ms v.s. 2528ms --> ~44% reduction - Linux Compilation Time Optimization v.s. Legacy = 5min8s v.s. 5min12s --> no obvious difference ChangeLog: v34->v35: - mm: - get_from_free_page_list: use a list of page blocks as buffers to store addresses, instead of an...