On Sat, Sep 30, 2023 at 12:26:01PM +0800, Huang, Ying wrote: > I have done more test for the series and addon patches. The test > results are as follows, > > base > perf-profile.children.get_pfnblock_flags_mask 0.15 (+- 32.62%) > will-it-scale.1.processes 618621.7 (+- 0.18%) > > mm: page_alloc: remove pcppage migratetype caching > perf-profile.children.get_pfnblock_flags_mask 0.40 (+- 21.55%) > will-it-scale.1.processes 616350.3 (+- 0.27%) > > mm: page_alloc: fix up block types when merging compatible blocks > perf-profile.children.get_pfnblock_flags_mask 0.36 (+- 8.36%) > will-it-scale.1.processes 617121.0 (+- 0.17%) > > mm: page_alloc: move free pages when converting block during isolation > perf-profile.children.get_pfnblock_flags_mask 0.36 (+- 15.10%) > will-it-scale.1.processes 615578.0 (+- 0.18%) > > mm: page_alloc: fix move_freepages_block() range error > perf-profile.children.get_pfnblock_flags_mask 0.36 (+- 12.78%) > will-it-scale.1.processes 615364.7 (+- 0.27%) > > mm: page_alloc: fix freelist movement during block conversion > perf-profile.children.get_pfnblock_flags_mask 0.36 (+- 10.52%) > will-it-scale.1.processes 617834.8 (+- 0.52%) > > mm: page_alloc: consolidate free page accounting > perf-profile.children.get_pfnblock_flags_mask 0.39 (+- 8.27%) > will-it-scale.1.processes 621000.0 (+- 0.13%) > > mm: page_alloc: close migratetype race between freeing and stealing > perf-profile.children.get_pfnblock_flags_mask 0.37 (+- 5.87%) > will-it-scale.1.processes 618378.8 (+- 0.17%) > > mm: page_alloc: optimize free_unref_page_list() > perf-profile.children.get_pfnblock_flags_mask 0.20 (+- 14.96%) > will-it-scale.1.processes 618136.3 (+- 0.16%) > > It seems that the will-it-scale score is influenced by some other > factors too. But anyway, the series + addon patches restores the score > of will-it-scale. And the cycles% of get_pfnblock_flags_mask() is > almost restored by the final patch (mm: page_alloc: optimize > free_unref_page_list()). > > Feel free to add my "Tested-by" for these patches. Thanks, I'll add those!
