I'll follow up with some suggested patches for addressing some of the
performance issues that may have been encountered.
c01053a4 14040139 35.542 default_idle
c0114ab8 4436882 11.2318 load_balance
c015c5c6 4243413 10.742 .text.lock.dcache
c01317f4 2229431 5.64371 generic_file_write_nolock
c0130d10 2182906 5.52593 file_read_actor
c0114f30 2126191 5.38236 scheduler_tick
c0154b83 1905648 4.82407 .text.lock.namei
c011749d 1344623 3.40386 .text.lock.sched
c019f8ab 1102566 2.7911 .text.lock.dec_and_lock
c01066a8 612167 1.54968 .text.lock.semaphore
c015ba5c 440889 1.11609 d_lookup
c013f81c 314222 0.79544 blk_queue_bounce
c0111798 310317 0.785554 smp_apic_timer_interrupt
c013fac4 228103 0.577433 .text.lock.highmem
c01523b8 206811 0.523533 path_lookup
c0115274 164177 0.415607 do_schedule
c019f830 143365 0.362922 atomic_dec_and_lock
c0114628 136075 0.344468 try_to_wake_up
c01062dc 125245 0.317052 __down
c010d9d8 121864 0.308494 timer_interrupt
c015ae30 114653 0.290239 prune_dcache
c0144e00 102093 0.258444 generic_file_llseek
c015b714 83273 0.210802 d_instantiate
with akpm's removal of lock section directives:
c01053a4 31781009 38.3441 default_idle
c0114968 13184373 15.9071 load_balance
c0114de0 6545861 7.89765 scheduler_tick
c0151718 4514372 5.44664 path_lookup
c015ac4c 3314721 3.99924 d_lookup
c0130560 3153290 3.80448 file_read_actor
c0131044 2816477 3.39811 generic_file_write_nolock
c015a8e4 1980809 2.38987 d_instantiate
c019e1b0 1959187 2.36378 atomic_dec_and_lock
c0111668 1447604 1.74655 smp_apic_timer_interrupt
c0159fc0 1291884 1.55867 prune_dcache
c015a714 1089696 1.31473 d_alloc
c01062cc 1030194 1.24294 __down
c015b0dc 625279 0.754405 d_rehash
c013edac 554017 0.668427 blk_queue_bounce
c0115128 508229 0.613183 do_schedule
c01144c8 441818 0.533058 try_to_wake_up
c010d8f8 403607 0.486956 timer_interrupt
c01229a4 333023 0.401796 update_one_process
c015af70 322781 0.389439 d_delete
c01508a0 248442 0.299748 do_lookup
c01155f4 213738 0.257877 __wake_up
c013e63c 185472 0.223774 kmap_high
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