On Sun, Aug 11, 2002 at 12:38:42AM -0700, Andrew Morton wrote:
> This is the first patch in a series of eight which address
> pagemap_lru_lock contention, and which simplify the VM locking
> hierarchy.
> Most testing has been done with all eight patches applied, so it would
> be best not to cherrypick, please.
dbench 256 on a 16x/16G numaq:
Throughput 50.3639 MB/sec (NB=62.9549 MB/sec 503.639 MBit/sec) 256 procs
c013c444 7514467 78.18 .text.lock.highmem
c013baac 584912 6.08539 kmap_high
c013bca0 556734 5.79223 kunmap_high
c012f260 133797 1.39202 generic_file_write
c012e53c 85433 0.88884 file_read_actor
c0114820 72361 0.752839 scheduler_tick
c01441ec 61757 0.642516 block_prepare_write
c013c18c 46977 0.488746 blk_queue_bounce
c0105394 46657 0.485417 default_idle
c01113b8 37263 0.387682 smp_apic_timer_interrupt
c0135afc 35618 0.370567 rmqueue
c014380c 26328 0.273915 __block_prepare_write
c012dec0 19238 0.200151 unlock_page
c01405f4 17391 0.180935 vfs_write
c01433e8 17382 0.180841 create_empty_buffers
c01361d8 16797 0.174755 page_cache_release
c01143d8 16727 0.174027 load_balance
c0136632 16378 0.170396 .text.lock.page_alloc
c013ba28 12628 0.131381 flush_all_zero_pkmaps
c013429c 10114 0.105225 lru_cache_add
c016de8c 9700 0.100918 ext2_prepare_write
c0135820 7610 0.079174 __free_pages_ok
-
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This archive was generated by hypermail 2b29 : Thu Aug 15 2002 - 22:00:36 EST