Attachment 307134 Details for Bug 448130 – Systemtap trace of ext3 with two nfsd process

Systemtap trace of ext3 with two nfsd process

2-ext3.txt (text/plain), 9.37 KB, created by Steve Dickson on 2008-05-29 20:42:43 UTC

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Creator: Steve Dickson

Created: 2008-05-29 20:42:43 UTC

Size: 9.37 KB

patch

obsolete

>Sorted ext3 data by Avg ns 
>Call                            Count     Total ns       Avg ns       Min ns       Max ns
>ext3_sync_file                      6    283035840     47172640      1197723     94469370
>ext3_force_commit                   6    282831085     47138514      1183221     94446089
>ext3_htree_fill_tree               23     23434440      1018888       111898      7507630
>htree_dirblock_to_tree             23     23254495      1011065       103517      7499930
>ext3_file_write                    81     69501265       858040       129942     24468844
>ext3_statfs                        18     13768911       764939       643251      1173612
>ext3_setattr                       58     40770984       702948       591724      1015091
>ext3_readdir                       47     28178036       599532         8193      7598487
>ext3_dx_readdir                    47     27798595       591459         1887      7588639
>ext3_prepare_write                101     59411803       588235        24380     24250739
>ext3_xattr_security_get           282    151698267       537937        41734     60696356
>ext3_dx_find_entry                528    281937834       533973       119452      7811021
>ext3_xattr_get                    285    150515129       528123        37410     60690404
>ext3_xattr_block_get              285    146348092       513502        25947     60676985
>ext3_truncate                      58     23893767       411961       349082       674087
>ext3_alloc_branch                  60     23535955       392265       354057       620424
>ext3_alloc_blocks                  60     23180239       386337       349261       614931
>ext3_new_blocks                    60     22835085       380584       344405       608666
>ext3_lookup                      1995    755851166       378872        58156     60937159
>ext3_find_entry                  1995    555491650       278441        52612     33867691
>
>Sorted ext3 data by Count
>Call                            Count     Total ns       Avg ns       Min ns       Max ns
>verify_chain                  1142364   2003491778         1753         1550        47081
>ext3_release_file              131918    599174703         4542         3241        45162
>ext3_get_dentry                131077    873571868         6664         5098       583852
>ext3_block_to_path              77553    187883607         2422         1796        37689
>ext3_get_blocks_handle          77495  18526275473       239064        18351     12838019
>ext3_get_branch                 77495  12705329607       163950         4820     12796491
>ext3_get_block                  74949  19092615156       254741        25703     12846967
>ext3_readpages                  73203  20109539196       274709         2904     13097108
>ext3_permission                 39934     86286528         2160         1607       217816
>ext3_discard_reservation         6517     33331552         5114         4462        30447
>ext3_destroy_inode               6400     13307903         2079         1686        14809
>ext3_clear_inode                 6400     76043222        11881        10415        42465
>ext3_write_inode                 4325    305147174        70554         4594     94455723
>walk_page_buffers                2891     25455165         8804         6382        46600
>ext3_getblk                      2546     88293126        34679        28911       821406
>ext3_journal_start_sb            2302      7553204         3281         2044       361928
>__ext3_journal_stop              2302      5574347         2421         1875        13729
>ext3_lookup                      1995    755851166       378872        58156     60937159
>ext3_find_entry                  1995    555491650       278441        52612     33867691
>ext3_get_inode_block             1729     13503963         7810         6264        32060
>
>Sorted ext3 data by Total ns
>Call                            Count     Total ns       Avg ns       Min ns       Max ns
>ext3_readpages                  73203  20109539196       274709         2904     13097108
>ext3_get_block                  74949  19092615156       254741        25703     12846967
>ext3_get_blocks_handle          77495  18526275473       239064        18351     12838019
>ext3_get_branch                 77495  12705329607       163950         4820     12796491
>verify_chain                  1142364   2003491778         1753         1550        47081
>ext3_get_dentry                131077    873571868         6664         5098       583852
>ext3_lookup                      1995    755851166       378872        58156     60937159
>ext3_release_file              131918    599174703         4542         3241        45162
>ext3_find_entry                  1995    555491650       278441        52612     33867691
>ext3_write_inode                 4325    305147174        70554         4594     94455723
>ext3_sync_file                      6    283035840     47172640      1197723     94469370
>ext3_force_commit                   6    282831085     47138514      1183221     94446089
>ext3_dx_find_entry                528    281937834       533973       119452      7811021
>ext3_block_to_path              77553    187883607         2422         1796        37689
>ext3_dirty_inode                 1155    163871631       141880        68034     20100952
>ext3_xattr_security_get           282    151698267       537937        41734     60696356
>ext3_xattr_get                    285    150515129       528123        37410     60690404
>ext3_xattr_block_get              285    146348092       513502        25947     60676985
>ext3_mark_inode_dirty            1331    144780837       108775        49188     20071324
>ext3_reserve_inode_write         1447    106489534        73593        27033     20021551
>
>Sorted ext3 data by Min ns
>Call                            Count     Total ns       Avg ns       Min ns       Max ns
>ext3_sync_file                      6    283035840     47172640      1197723     94469370
>ext3_force_commit                   6    282831085     47138514      1183221     94446089
>ext3_statfs                        18     13768911       764939       643251      1173612
>ext3_setattr                       58     40770984       702948       591724      1015091
>ext3_alloc_branch                  60     23535955       392265       354057       620424
>ext3_alloc_blocks                  60     23180239       386337       349261       614931
>ext3_truncate                      58     23893767       411961       349082       674087
>ext3_new_blocks                    60     22835085       380584       344405       608666
>ext3_free_data                     58     11100029       191379       158087       320775
>ext3_clear_blocks                  58     10718434       184800       153197       310312
>ext3_free_blocks                   58      9300238       160348       133566       277694
>ext3_file_write                    81     69501265       858040       129942     24468844
>ext3_try_to_allocate_with_rsv         60      9206208       153436       128887       249831
>ext3_dx_find_entry                528    281937834       533973       119452      7811021
>ext3_htree_fill_tree               23     23434440      1018888       111898      7507630
>htree_dirblock_to_tree             23     23254495      1011065       103517      7499930
>ext3_ordered_commit_write         101     12086608       119669        94303       243446
>ext3_readpage                       4       414204       103551        76840       156914
>ext3_dirty_inode                 1155    163871631       141880        68034     20100952
>alloc_new_reservation              59      5433457        92092        64259       153935
>
>Sorted ext3 data by Max ns
>Call                            Count     Total ns       Avg ns       Min ns       Max ns
>ext3_sync_file                      6    283035840     47172640      1197723     94469370
>ext3_force_commit                   6    282831085     47138514      1183221     94446089
>ext3_statfs                        18     13768911       764939       643251      1173612
>ext3_setattr                       58     40770984       702948       591724      1015091
>ext3_alloc_branch                  60     23535955       392265       354057       620424
>ext3_alloc_blocks                  60     23180239       386337       349261       614931
>ext3_truncate                      58     23893767       411961       349082       674087
>ext3_new_blocks                    60     22835085       380584       344405       608666
>ext3_free_data                     58     11100029       191379       158087       320775
>ext3_clear_blocks                  58     10718434       184800       153197       310312
>ext3_free_blocks                   58      9300238       160348       133566       277694
>ext3_file_write                    81     69501265       858040       129942     24468844
>ext3_try_to_allocate_with_rsv         60      9206208       153436       128887       249831
>ext3_dx_find_entry                528    281937834       533973       119452      7811021
>ext3_htree_fill_tree               23     23434440      1018888       111898      7507630
>htree_dirblock_to_tree             23     23254495      1011065       103517      7499930
>ext3_ordered_commit_write         101     12086608       119669        94303       243446
>ext3_readpage                       4       414204       103551        76840       156914
>ext3_dirty_inode                 1155    163871631       141880        68034     20100952
>alloc_new_reservation              59      5433457        92092        64259       153935

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Attachments on bug 448130: 306534 | 307128 | 307130 | 307134 | 307135 | 307238