Attachment 307135 Details for Bug 448130 – Systemtap trace of ext3 with one nfsd process

Systemtap trace of ext3 with one nfsd process

1-ext3.txt (text/plain), 9.37 KB, created by Steve Dickson on 2008-05-29 20:44:27 UTC

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Creator: Steve Dickson

Created: 2008-05-29 20:44:27 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                      2     31431142     15715571     13762296     17668846
>ext3_create                         1     13260559     13260559     13260559     13260559
>ext3_new_inode                      1     12673910     12673910     12673910     12673910
>ext3_force_commit                   3     33826463     11275487      2439455     17651967
>read_inode_bitmap                   1      9646859      9646859      9646859      9646859
>ext3_htree_fill_tree               17     64573888      3798464       114096     19948565
>htree_dirblock_to_tree             17     64404090      3788475       107580     19941823
>ext3_init_security                  1      2815311      2815311      2815311      2815311
>ext3_xattr_set_handle               1      2787979      2787979      2787979      2787979
>ext3_xattr_block_set                1      2549463      2549463      2549463      2549463
>ext3_xattr_cache_find               1      2410866      2410866      2410866      2410866
>ext3_readdir                       35     69067951      1973370         8309     19991086
>ext3_dx_readdir                    35     68776713      1965048         1980     19984047
>ext3_prepare_write                 41     63753645      1554966        23845     32639421
>ext3_file_write                    34     50206744      1476668       128580     24234367
>ext3_dx_find_entry               1143    822047277       719201       109786     17882160
>ext3_read_inode                   475    330154723       695062        35569     17945004
>ext3_setattr                       29     19970715       688645        97315      1100745
>ext3_statfs                         6      4106821       684470       667792       706146
>ext3_lookup                      3905   2157833334       552582        56170     41835342
>
>Sorted ext3 data by Count
>Call                            Count     Total ns       Avg ns       Min ns       Max ns
>verify_chain                  1096448   1890211195         1723         1598        60952
>ext3_release_file              131973    561185852         4252         3373        55631
>ext3_get_dentry                131077    832008083         6347         5202        36936
>ext3_block_to_path              42614     96518755         2264         1835        27787
>ext3_get_blocks_handle          42588   9219412532       216479        17610     29888198
>ext3_get_branch                 42588   4037258160        94798         4884     29847808
>ext3_permission                 40192     88761896         2208         1700        73868
>ext3_get_block                  37522   9392217919       250312        24050     29896111
>ext3_readpages                  35201  10244882649       291039        35475     30138593
>ext3_discard_reservation         5559     31438254         5655         4526        35293
>ext3_destroy_inode               5504     13306809         2417         1711        19359
>ext3_clear_inode                 5504     71963078        13074        10492        46909
>ext3_getblk                      5066    197808905        39046        28184       622524
>ext3_write_inode                 4042     40434046        10003         4862     13745074
>ext3_lookup                      3905   2157833334       552582        56170     41835342
>ext3_find_entry                  3905   1577931947       404079        51296     18065150
>ext3_bread                       2304    356938887       154921        34495     19858823
>walk_page_buffers                2039     19802980         9712         6545        35457
>TEA_transform                    1743      3455533         1982         1739         8672
>str2hashbuf                      1743      3433856         1970         1664        14237
>
>Sorted ext3 data by Total ns
>Call                            Count     Total ns       Avg ns       Min ns       Max ns
>ext3_readpages                  35201  10244882649       291039        35475     30138593
>ext3_get_block                  37522   9392217919       250312        24050     29896111
>ext3_get_blocks_handle          42588   9219412532       216479        17610     29888198
>ext3_get_branch                 42588   4037258160        94798         4884     29847808
>ext3_lookup                      3905   2157833334       552582        56170     41835342
>verify_chain                  1096448   1890211195         1723         1598        60952
>ext3_find_entry                  3905   1577931947       404079        51296     18065150
>ext3_get_dentry                131077    832008083         6347         5202        36936
>ext3_dx_find_entry               1143    822047277       719201       109786     17882160
>ext3_release_file              131973    561185852         4252         3373        55631
>__ext3_get_inode_loc             1404    465668801       331672        15388     22668071
>ext3_bread                       2304    356938887       154921        34495     19858823
>ext3_read_inode                   475    330154723       695062        35569     17945004
>ext3_dirty_inode                  793    251807553       317537        69072     22738502
>ext3_mark_inode_dirty             876    236983667       270529        50104     22714870
>ext3_reserve_inode_write          928    212231562       228697        27483     22682395
>ext3_xattr_security_get           475    200359818       421810        42550     13768984
>ext3_xattr_get                    478    197844196       413899        37140     13762009
>ext3_getblk                      5066    197808905        39046        28184       622524
>ext3_xattr_block_get              478    190475337       398483        25095     13741989
>
>Sorted ext3 data by Min ns
>Call                            Count     Total ns       Avg ns       Min ns       Max ns
>ext3_sync_file                      2     31431142     15715571     13762296     17668846
>ext3_create                         1     13260559     13260559     13260559     13260559
>ext3_new_inode                      1     12673910     12673910     12673910     12673910
>read_inode_bitmap                   1      9646859      9646859      9646859      9646859
>ext3_init_security                  1      2815311      2815311      2815311      2815311
>ext3_xattr_set_handle               1      2787979      2787979      2787979      2787979
>ext3_xattr_block_set                1      2549463      2549463      2549463      2549463
>ext3_force_commit                   3     33826463     11275487      2439455     17651967
>ext3_xattr_cache_find               1      2410866      2410866      2410866      2410866
>ext3_statfs                         6      4106821       684470       667792       706146
>ext3_add_nondir                     1       545983       545983       545983       545983
>ext3_add_entry                      1       476896       476896       476896       476896
>add_dirent_to_buf                   1       418885       418885       418885       418885
>ext3_truncate                      26     11488110       441850       362291       660727
>ext3_alloc_branch                  28     11693459       417623       294990       570682
>ext3_alloc_blocks                  28     11525729       411633       288087       564418
>ext3_new_blocks                    28     11322606       404378       281078       558511
>ext3_free_data                     26      5315910       204458       162144       331067
>ext3_clear_blocks                  26      5145400       197900       157045       322117
>ext3_free_blocks                   26      4442634       170870       136951       273372
>
>Sorted ext3 data by Max ns
>Call                            Count     Total ns       Avg ns       Min ns       Max ns
>ext3_sync_file                      2     31431142     15715571     13762296     17668846
>ext3_create                         1     13260559     13260559     13260559     13260559
>ext3_new_inode                      1     12673910     12673910     12673910     12673910
>read_inode_bitmap                   1      9646859      9646859      9646859      9646859
>ext3_init_security                  1      2815311      2815311      2815311      2815311
>ext3_xattr_set_handle               1      2787979      2787979      2787979      2787979
>ext3_xattr_block_set                1      2549463      2549463      2549463      2549463
>ext3_force_commit                   3     33826463     11275487      2439455     17651967
>ext3_xattr_cache_find               1      2410866      2410866      2410866      2410866
>ext3_statfs                         6      4106821       684470       667792       706146
>ext3_add_nondir                     1       545983       545983       545983       545983
>ext3_add_entry                      1       476896       476896       476896       476896
>add_dirent_to_buf                   1       418885       418885       418885       418885
>ext3_truncate                      26     11488110       441850       362291       660727
>ext3_alloc_branch                  28     11693459       417623       294990       570682
>ext3_alloc_blocks                  28     11525729       411633       288087       564418
>ext3_new_blocks                    28     11322606       404378       281078       558511
>ext3_free_data                     26      5315910       204458       162144       331067
>ext3_clear_blocks                  26      5145400       197900       157045       322117
>ext3_free_blocks                   26      4442634       170870       136951       273372

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