Hi Paul,
I would like to compare with 2.4.19-pre9-pa30 of my stuff and 2.4.18-pa24
(reboot with profile=2) but all what I get is a long list of zero when I run:
readprofile -m /boot/System.map-... -av.
Does it need a kernel patch?
Thanks in advance,
Joel
Quoting Paul Bame <bame@fc.hp.com>:
>
> I edited System.map to get rid of the $lcfu_done sorts of symbols
> within
> the user-space copy routines. This load, again on a b180, is a bunch
> of
> big file tree copies and syncs and removes mixed with some large file
> creation via dd and syncs.
>
> 8443 total 0.0048
> 2500 lcopy_from_user 36.7647
> 945 lcopy_to_user 16.8750
> 403 memset 12.5938
> 273 cpu_idle 3.7917
> 215 ext3_do_update_inode 0.1701
> 151 scsi_dispatch_cmd 0.1560
> 132 journal_dirty_metadata 0.2115
> 129 do_get_write_access 0.0762
> 121 flush_user_icache_range_asm 3.3611
> 120 __make_request 0.0415
> 111 journal_get_write_access 0.6307
> 97 journal_cancel_revoke 0.3566
> 90 flush_user_dcache_range_asm 2.5000
> 88 ext3_get_inode_loc 0.1964
> 76 get_hash_table 0.4318
> 71 $$remU 0.2399
> 65 rmqueue 0.0710
> 65 $$divU 0.2257
> 58 __journal_file_buffer 0.0815
> 57 d_lookup 0.1484
> 55 kmem_cache_alloc 0.1741
> 55 journal_add_journal_head 0.1580
> 55 ext3_new_block 0.0238
> 54 link_path_walk 0.0213
> 54 kmem_cache_free 0.2700
> 52 __brelse 0.6500
> 48 clear_user_page_asm 0.4286
> 44 journal_unlock_journal_head 0.2619
> 44 ext3_dirty_inode 0.1746
> 43 generic_file_write 0.0219
> 43 ext3_check_dir_entry 0.1558
> 40 schedule 0.0422
> 40 __block_prepare_write 0.0450
> 38 start_this_handle 0.0748
> 37 journal_stop 0.0685
> 36 ext3_get_block_handle 0.0457
> 35 scsi_request_fn 0.0425
> 34 mark_page_accessed 0.3542
> 33 kfree 0.1618
> 32 nfs3_xdr_sattrargs 0.0116
> 32 __jbd_kmalloc 0.1600
> 32 $$mulU 0.0602
> 31 memscan 0.7045
> 30 ll_rw_block 0.0487
> 30 journal_start 0.1056
> 30 journal_commit_transaction 0.0065
> 29 memcmp 0.3625
> 29 ext3_mark_iloc_dirty 0.2339
> 29 ext3_find_entry 0.0374
> 29 do_generic_file_read 0.0229
> 28 __free_pages_ok 0.0262
> 27 kmalloc 0.0742
> 24 lstrncpy_from_user 0.3333
> 24 __insert_into_lru_list 0.1053
> 22 syscall_restore 0.0917
> 22 ext3_mark_inode_dirty 0.2500
> 22 buffer_insert_inode_queue 0.3235
> 22 __mark_inode_dirty 0.1341
> 21 __wake_up 0.0750
> 20 ext3_add_entry 0.0158
> 19 memcpy 0.5278
> 19 ext3_reserve_inode_write 0.0742
> 19 ext3_new_inode 0.0075
> 18 ext3_get_branch 0.0608
> 18 ext3_alloc_branch 0.0201
> 18 bread 0.1324
> 17 ext3_test_allocatable 0.2024
> 17 ext3_get_group_desc 0.0944
> 17 ext3_commit_write 0.0281
> 17 dput 0.0394
> 16 walk_page_buffers 0.0635
> 16 unlock_page 0.1143
> 16 try_to_free_buffers 0.0435
> 16 sys_write 0.0455
> 16 sys_read 0.0455
> 16 getblk 0.1429
> 16 __journal_unfile_buffer 0.0288
> 16 __free_pages 0.2105
> 15 path_init 0.0291
> 15 __refile_buffer 0.1250
> 15 __block_commit_write 0.0399
> 14 shrink_cache 0.0136
> 14 find_inode 0.0814
> 14 add_to_page_cache_unique 0.0673
> 13 fput 0.0332
> 12 reschedule_idle 0.0140
> 12 permission 0.1500
> 12 get_empty_filp 0.0361
> 12 generic_make_request 0.0273
> 12 fimanyloop 0.6000
> 12 __journal_remove_journal_head 0.0303
> 12 $$remI 0.0366
> 11 vfs_permission 0.0316
> 11 set_buffer_flushtime 0.3929
> 11 sd_init_command 0.0119
> 11 open_namei 0.0071
> 11 lru_cache_add 0.0550
> 11 ext3_splice_branch 0.0179
> 11 ext3_clear_blocks 0.0243
> 11 ext3_block_to_path 0.0404
> 11 __alloc_pages 0.0204
> 10 truncate_list_pages 0.0216
> 10 submit_bh 0.0532
> 10 journal_dirty_data 0.0198
> 10 ext3_prepare_write 0.0253
> 10 copy_user_page_asm 0.0658
> 10 add_page_to_hash_queue 0.0806
> 10 __remove_from_lru_list 0.0781
> 9 pipe_read 0.0138
> 9 fdsync 0.4500
> 9 ext3_writepage_trans_blocks 0.0592
> 9 ext3_getblk 0.0112
> 9 ext3_free_data 0.0186
> 9 create_buffers 0.0352
> 9 __find_lock_page_helper 0.0433
> 8 prune_icache 0.0233
> 8 journal_unmap_buffer 0.0127
> 8 journal_flushpage 0.0157
> 8 get_unused_buffer_head 0.0444
> 8 ext3_read_inode 0.0084
> 8 ext3_free_blocks 0.0043
> 8 __remove_inode_page 0.0541
> 7 unlock_buffer 0.0583
> 7 syscall_exit 0.2500
> 7 sd_find_queue 0.1250
> 7 prune_dcache 0.0152
> 7 log_space_left 0.2188
> 7 journal_get_undo_access 0.0194
> 7 intr_restore 0.0155
> 7 handle_interruption 0.0054
> 7 getname 0.0287
> 7 ext3_get_block 0.0372
> 7 ext3_forget 0.0233
> 7 block_read_full_page 0.0091
> 7 add_timer 0.0269
> 7 _switch_to_ret 0.0090
> 6 update_atime 0.0484
> 6 scsi_init_io_v 0.0205
> 6 purge_kernel_dcache_page 0.0600
> 6 generic_commit_write 0.0417
> 6 fget 0.0938
> 6 fcntl_dirnotify 0.0152
> 6 create_empty_buffers 0.0375
> 5 syscall_check_bh 0.3125
> 5 path_release 0.0595
> 5 page_cache_read 0.0171
> 5 nr_free_buffer_pages 0.0694
> 5 iput 0.0080
> 5 get_unused_fd 0.0114
> 5 get_new_inode 0.0094
> 5 ext3_orphan_del 0.0071
> 5 ext3_find_goal 0.0179
> 5 ext3_create 0.0142
> 5 d_alloc 0.0117
> 5 bcopy 0.1389
> 5 balance_dirty_state 0.0347
> 5 _switch_to 0.0463
> 5 __user_walk 0.0379
> 5 __down_read 0.0305
> 4 sys_utime 0.0130
> 4 sys_close 0.0244
> 4 pipe_write 0.0052
> 4 notify_change 0.0095
> 4 ncr_queue_command 0.0013
> 4 journal_try_to_free_buffers 0.0175
> 4 journal_alloc_journal_head 0.0244
> 4 generic_unplug_device 0.0588
> 4 filldir64 0.0116
> 4 ext3_bread 0.0270
> 4 dentry_open 0.0076
> 4 clear_inode 0.0172
> 4 cached_lookup 0.0323
> 4 add_wait_queue 0.0833
> 4 __wake_up_sync 0.0132
> 4 __put_unused_buffer_head 0.0263
> 4 __lru_cache_del 0.0286
> 4 __free_pte 0.0286
> 4 __find_lock_page 0.1429
> 4 Letext 0.0270
> 3 truncate_complete_page 0.0259
> 3 sys_open 0.0107
> 3 sys_fcntl 0.0268
> 3 put_filp 0.0288
> 3 lookup_hash 0.0132
> 3 locks_remove_posix 0.0079
> 3 journal_dirty_sync_data 0.0214
> 3 grow_buffers 0.0070
> 3 filemap_nopage 0.0044
> 3 file_read_actor 0.0234
> 3 ext3_truncate 0.0026
> 3 ext3_readdir 0.0026
> 3 ext3_free_inode 0.0022
> 3 ext3_file_write 0.0208
> 3 d_rehash 0.0187
> 3 _alloc_pages 0.0682
> 3 __up_read 0.0341
> 3 ___wait_on_page 0.0150
> 2 write_some_buffers 0.0060
> 2 vfs_readdir 0.0064
> 2 try_to_release_page 0.0139
> 2 sys_newstat 0.0125
> 2 sys_getdents64 0.0106
> 2 scsi_add_timer 0.0119
> 2 refile_buffer 0.0833
> 2 pipe_wait 0.0081
> 2 lookup_create 0.0109
> 2 locks_remove_flock 0.0161
> 2 kmem_cache_reap 0.0034
> 2 intr_do_resched 0.0556
> 2 inode_setattr 0.0075
> 2 inode_has_buffers 0.0455
> 2 inode_change_ok 0.0042
> 2 init_rwsem 0.1000
> 2 in_group_p 0.0385
> 2 grow_dev_page 0.0086
> 2 get_empty_inode 0.0116
> 2 generic_file_readahead 0.0048
> 2 generic_file_read 0.0060
> 2 ext3_unlink 0.0037
> 2 ext3_orphan_add 0.0030
> 2 ext3_alloc_block 0.0500
> 2 end_buffer_io_sync 0.0192
> 2 do_page_fault 0.0026
> 2 do_no_page 0.0044
> 2 do_journal_get_write_access 0.0147
> 2 dispose_list 0.0139
> 2 buffer_insert_inode_data_queue 0.0294
> 2 block_prepare_write 0.0217
> 2 bdget 0.0060
> 2 add_wait_queue_exclusive 0.0417
> 2 __run_task_queue 0.0143
> 1 zap_page_range 0.0011
> 1 wait_for_buffers 0.0038
> 1 vm_enough_memory 0.0063
> 1 unmap_underlying_metadata 0.0064
> 1 tty_poll 0.0049
> 1 tcp_write_xmit 0.0013
> 1 syscall_restore_rfi 0.0357
> 1 syscall_check_sig 0.0833
> 1 syscall_check_resched 0.1250
> 1 sys_rt_sigprocmask 0.0027
> 1 sys_lstat64 0.0063
> 1 sys_fstat64 0.0068
> 1 sync_unlocked_inodes 0.0023
> 1 sync_page_buffers 0.0029
> 1 swap_out 0.0006
> 1 skb_checksum 0.0017
> 1 sk_run_filter 0.0004
> 1 shrink_dcache_sb 0.0021
> 1 set_bh_page 0.0100
> 1 select_parent 0.0068
> 1 scsi_malloc 0.0046
> 1 refill_inactive 0.0021
> 1 real_lookup 0.0028
> 1 read_chan 0.0005
> 1 rb_erase 0.0033
> 1 number 0.0009
> 1 lookup_one_len 0.0086
> 1 load_inode_bitmap 0.0019
> 1 kswapd_can_sleep_pgdat 0.0179
> 1 journal_revoke 0.0021
> 1 journal_get_create_access 0.0016
> 1 journal_forget 0.0015
> 1 intr_return 0.0500
> 1 intr_check_sig 0.0833
> 1 iget4 0.0029
> 1 handle_mm_fault 0.0037
> 1 get_pid 0.0028
> 1 flush_kernel_icache_page 0.0100
> 1 flush_kernel_dcache_page 0.0100
> 1 fioneloop 0.1250
> 1 find_vma_prev 0.0119
> 1 find_or_create_page 0.0030
> 1 find_next_usable_block 0.0010
> 1 filp_open 0.0093
> 1 filp_close 0.0068
> 1 filemap_fdatasync 0.0035
> 1 ext3_setattr 0.0022
> 1 ext3_free_branches 0.0014
> 1 ext3_delete_inode 0.0028
> 1 ext3_block_truncate_page 0.0010
> 1 ext2_update_inode 0.0008
> 1 ext2_get_branch 0.0034
> 1 ext2_get_block 0.0008
> 1 empty_dir 0.0016
> 1 do_select 0.0017
> 1 do_munmap 0.0014
> 1 do_anonymous_page 0.0028
> 1 datagram_poll 0.0034
> 1 cp_new_stat64 0.0022
> 1 copy_strings 0.0047
> 1 copy_page_range 0.0018
> 1 block_truncate_page 0.0019
> 1 block_commit_write 0.0179
> 1 balance_dirty 0.0132
> 1 __wait_on_buffer 0.0037
> 1 __try_to_free_cp_buf 0.0100
> 1 __remove_inode_queue 0.0417
> 1 __journal_remove_checkpoint 0.0066
> 1 __down_write 0.0064
> 1 $$divI 0.0030
>
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