Messages in this thread | ![/](/images/icornerl.gif) | | Date | Sat, 08 Feb 2003 11:29:33 -0800 | From | "Martin J. Bligh" <> | Subject | Performance of highpte |
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Kernbench-2: (make -j N vmlinux, where N = 2 x num_cpus) Elapsed User System CPU 2.5.59-mjb5 45.64 564.71 110.73 1479.50 2.5.59-mjb5-highpte 46.38 565.32 118.35 1473.50
Hmmm. Looks like we need to dust off UKVA to me.
diffprofile:
3790 page_remove_rmap 3213 default_idle 1299 kmap_atomic 803 kmap_atomic_to_page 776 kmem_cache_free 676 __pte_chain_free 486 page_add_rmap 240 unmap_all_pages 225 kmem_cache_alloc 166 vm_enough_memory 132 do_generic_mapping_read 100 handle_mm_fault 82 buffered_rmqueue 79 __copy_from_user_ll 67 update_atime 66 kunmap_atomic 63 release_pages 58 filemap_nopage 55 file_move 51 generic_file_open 51 find_get_page ... -52 dput -61 do_schedule -63 get_empty_filp -74 do_page_fault -96 vfs_read -97 path_lookup -121 fd_install -159 pte_alloc_one -260 .text.lock.file_table -372 page_address
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