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kdhall

xfs-perf

kdhall
Mar 29th, 2013
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  1. 
  2. PerfTop: 201 irqs/sec kernel:88.1% exact: 0.0% [1000Hz cycles], (all, 64 CPUs)
  3. ---------------------------------------------------------------------------------------------------------------
  4.  
  5. 11.16% [xfs] [k] xfs_btree_get_rec
  6. 10.37% [xfs] [k] _xfs_buf_find
  7. 10.25% [kernel] [k] intel_idle
  8. 7.28% [xfs] [k] xfs_btree_increment
  9. 5.59% [xfs] [k] xfs_inobt_get_rec
  10. 5.00% [xfs] [k] xfs_dialloc
  11. 4.02% [xfs] [k] xfs_btree_get_block
  12. 3.14% [kernel] [k] find_busiest_group
  13. 2.62% [xfs] [k] xfs_btree_readahead
  14. 1.83% [kernel] [k] apic_timer_interrupt
  15. 1.65% [xfs] [k] xfs_trans_brelse
  16. 1.42% [kernel] [k] format_decode
  17. 1.29% [kernel] [k] free_poll_entry
  18. 1.24% [kernel] [k] do_sys_poll
  19. 1.22% [xfs] [k] xfs_btree_lookup
  20. 1.21% [kernel] [k] module_get_kallsym
  21. 1.06% [kernel] [k] __alloc_pages_nodemask
  22. 1.05% [kernel] [k] clear_page_c
  23. 1.02% [xfs] [k] xfs_buf_get
  24. 0.89% [kernel] [k] get_page_from_freelist
  25. 0.87% [kernel] [k] kallsyms_expand_symbol
  26. 0.77% [kernel] [k] _raw_spin_lock_irqsave
  27. 0.76% [kernel] [k] leave_mm
  28. 0.63% [kernel] [k] _atomic_dec_and_lock
  29. 0.62% [xfs] [k] xfs_fs_inode_init_once
  30. 0.61% [kernel] [k] vsnprintf
  31. 0.60% [kernel] [k] copy_user_generic_string
  32. 0.59% [kernel] [k] inode_init_once
  33. 0.59% [xfs] [k] xfs_btree_rec_offset
  34. 0.59% [xfs] [k] xfs_buf_rele
  35. 0.57% [kernel] [k] up
  36. 0.50% [kernel] [k] radix_tree_lookup
  37. 0.47% [xfs] [k] xfs_iread
  38. 0.46% [xfs] [k] xfs_btree_check_sblock
  39. 0.46% [kernel] [k] _raw_spin_lock
  40. 0.45% [xfs] [k] xfs_inobt_key_diff
  41. 0.44% [kernel] [k] update_cfs_shares
  42. 0.44% [kernel] [k] load_balance
  43. 0.44% [kernel] [k] __remove_hrtimer
  44. 0.44% [kernel] [k] __hrtimer_start_range_ns
  45. 0.44% [kernel] [k] clockevents_program_event
  46. 0.41% [kernel] [k] virt_to_slab
  47. 0.40% [kernel] [k] walk_component
  48. 0.38% [kernel] [k] _cond_resched
  49. 0.32% [xfs] [k] xfs_bulkstat_one_int
  50. 0.32% [kernel] [k] radix_tree_insert
  51. 0.31% [kernel] [k] ____cache_alloc
  52. 0.31% [xfs] [k] xfs_inobt_init_cursor
  53. 0.31% [kernel] [k] kmem_cache_alloc
  54. 
  55. PerfTop: 1295 irqs/sec kernel:97.5% exact: 0.0% [1000Hz cycles], (all, 64 CPUs)
  56. ---------------------------------------------------------------------------------------------------------------
  57.  
  58. 12.38% [xfs] [k] xfs_btree_get_rec
  59. 11.65% [xfs] [k] _xfs_buf_find
  60. 11.29% [xfs] [k] xfs_btree_increment
  61. 7.88% [xfs] [k] xfs_inobt_get_rec
  62. 5.40% [kernel] [k] intel_idle
  63. 4.13% [xfs] [k] xfs_btree_get_block
  64. 4.09% [xfs] [k] xfs_dialloc
  65. 3.21% [xfs] [k] xfs_btree_readahead
  66. 2.00% [xfs] [k] xfs_btree_rec_offset
  67. 1.50% [xfs] [k] xfs_btree_rec_addr
  68. 1.29% [kernel] [k] find_busiest_group
  69. 1.23% [xfs] [k] kmem_zone_zalloc
  70. 1.18% [xfs] [k] xfs_btree_lookup
  71. 1.07% [kernel] [k] _raw_spin_lock_irqsave
  72. 1.04% [xfs] [k] xfs_btree_check_sblock
  73. 0.89% [kernel] [k] inode_init_once
  74. 0.86% [kernel] [k] _raw_spin_lock
  75. 0.79% [xfs] [k] xfs_trans_read_buf
  76. 0.77% [kernel] [k] _raw_spin_unlock_irqrestore
  77. 0.72% [kernel] [k] _atomic_dec_and_lock
  78. 0.64% [xfs] [k] xfs_trans_brelse
  79. 0.63% [kernel] [k] kmem_cache_alloc
  80. 0.57% [kernel] [k] ____cache_alloc
  81. 0.57% [xfs] [k] xfs_fs_inode_init_once
  82. 0.56% [xfs] [k] xfs_perag_put
  83. 0.53% [kernel] [k] format_decode
  84. 0.49% [kernel] [k] __hrtimer_start_range_ns
  85. 0.45% [kernel] [k] up
  86. 0.42% [kernel] [k] radix_tree_lookup
  87. 0.40% [xfs] [k] xfs_buf_read
  88. 0.38% [kernel] [k] vsnprintf
  89. 0.36% [xfs] [k] xfs_buf_get
  90. 0.33% [xfs] [k] xfs_perag_get
  91. 0.33% [kernel] [k] apic_timer_interrupt
  92. 0.33% [kernel] [k] hrtimer_interrupt
  93. 0.32% [xfs] [k] xfs_buf_rele
  94. 0.30% [kernel] [k] __d_lookup_rcu
  95. 0.30% [kernel] [k] address_space_init_once
  96. 0.29% [xfs] [k] xfs_inode_alloc
  97. 0.29% [kernel] [k] radix_tree_insert
  98. 0.28% [xfs] [k] xfs_iread
  99. 0.28% [kernel] [k] nr_iowait_cpu
  100. 0.28% [kernel] [k] get_page_from_freelist
  101. 0.27% [kernel] [k] __schedule
  102. 0.27% [kernel] [k] __remove_hrtimer
  103. 0.26% [xfs] [k] xfs_buf_unlock
  104. 0.25% [kernel] [k] load_balance
  105. 0.24% [xfs] [k] xfs_bulkstat_one_int
  106. 0.24% [xfs] [k] xfs_buf_trylock
  107. 
  108. PerfTop: 947 irqs/sec kernel:96.9% exact: 0.0% [1000Hz cycles], (all, 64 CPUs)
  109. ---------------------------------------------------------------------------------------------------------------
  110.  
  111. 12.55% [xfs] [k] _xfs_buf_find
  112. 11.41% [xfs] [k] xfs_btree_get_rec
  113. 10.13% [xfs] [k] xfs_btree_increment
  114. 7.35% [xfs] [k] xfs_inobt_get_rec
  115. 4.70% [kernel] [k] intel_idle
  116. 3.66% [xfs] [k] xfs_btree_get_block
  117. 3.27% [xfs] [k] xfs_dialloc
  118. 3.07% [xfs] [k] xfs_btree_readahead
  119. 1.95% [xfs] [k] xfs_btree_rec_offset
  120. 1.48% [xfs] [k] xfs_btree_rec_addr
  121. 1.41% [xfs] [k] xfs_btree_lookup
  122. 1.28% [kernel] [k] find_busiest_group
  123. 1.22% [kernel] [k] _raw_spin_lock_irqsave
  124. 1.21% [kernel] [k] _raw_spin_lock
  125. 1.13% [xfs] [k] xfs_btree_check_sblock
  126. 1.12% [xfs] [k] kmem_zone_zalloc
  127. 1.02% [kernel] [k] inode_init_once
  128. 0.80% [xfs] [k] xfs_trans_read_buf
  129. 0.78% [xfs] [k] xfs_log_commit_cil
  130. 0.76% [kernel] [k] kmem_cache_alloc
  131. 0.73% [kernel] [k] _raw_spin_unlock_irqrestore
  132. 0.67% [xfs] [k] xfs_perag_put
  133. 0.64% [kernel] [k] _atomic_dec_and_lock
  134. 0.61% [kernel] [k] ____cache_alloc
  135. 0.59% [xfs] [k] xfs_trans_brelse
  136. 0.56% [kernel] [k] format_decode
  137. 0.56% [xfs] [k] xfs_fs_inode_init_once
  138. 0.56% [xfs] [k] xfs_buf_rele
  139. 0.52% [kernel] [k] __hrtimer_start_range_ns
  140. 0.46% [kernel] [k] radix_tree_lookup
  141. 0.40% [kernel] [k] up
  142. 0.40% [xfs] [k] xfs_buf_get
  143. 0.38% [xfs] [k] xfs_perag_get
  144. 0.37% [kernel] [k] get_page_from_freelist
  145. 0.36% [xfs] [k] xfs_iread
  146. 0.35% [kernel] [k] __d_lookup_rcu
  147. 0.34% [xfs] [k] xfs_buf_read
  148. 0.33% [kernel] [k] radix_tree_insert
  149. 0.33% [kernel] [k] hrtimer_interrupt
  150. 0.32% [kernel] [k] link_path_walk
  151. 0.32% [kernel] [k] __cache_free
  152. 0.31% [xfs] [k] xfs_inode_alloc
  153. 0.31% [xfs] [k] xfs_bulkstat_one_int
  154. 0.30% [kernel] [k] address_space_init_once
  155. 0.30% [kernel] [k] vsnprintf
  156. 0.29% [kernel] [k] __kmalloc
  157. 0.26% [kernel] [k] virt_to_slab
  158. 0.25% [xfs] [k] xfs_inobt_key_diff
  159. 0.25% [kernel] [k] number
  160. 
  161. PerfTop: 2110 irqs/sec kernel:84.2% exact: 0.0% [1000Hz cycles], (all, 64 CPUs)
  162. ---------------------------------------------------------------------------------------------------------------
  163.  
  164. 11.81% [xfs] [k] _xfs_buf_find
  165. 11.52% [xfs] [k] xfs_btree_get_rec
  166. 10.55% [xfs] [k] xfs_btree_increment
  167. 7.74% [xfs] [k] xfs_inobt_get_rec
  168. 4.85% [kernel] [k] intel_idle
  169. 4.12% [xfs] [k] xfs_btree_get_block
  170. 3.67% [xfs] [k] xfs_dialloc
  171. 3.22% [xfs] [k] xfs_btree_readahead
  172. 1.74% [xfs] [k] xfs_btree_rec_offset
  173. 1.56% [xfs] [k] xfs_btree_rec_addr
  174. 1.31% [xfs] [k] xfs_btree_check_sblock
  175. 1.28% [xfs] [k] xfs_btree_lookup
  176. 1.16% [xfs] [k] kmem_zone_zalloc
  177. 1.10% [kernel] [k] _raw_spin_lock
  178. 1.02% [kernel] [k] _raw_spin_lock_irqsave
  179. 1.02% [kernel] [k] find_busiest_group
  180. 0.97% [kernel] [k] inode_init_once
  181. 0.78% [xfs] [k] xfs_trans_read_buf
  182. 0.78% [kernel] [k] _raw_spin_unlock_irqrestore
  183. 0.68% [kernel] [k] kmem_cache_alloc
  184. 0.67% [kernel] [k] format_decode
  185. 0.61% [kernel] [k] _atomic_dec_and_lock
  186. 0.61% [xfs] [k] xfs_fs_inode_init_once
  187. 0.59% [kernel] [k] ____cache_alloc
  188. 0.58% [xfs] [k] xfs_perag_put
  189. 0.51% [xfs] [k] xfs_log_commit_cil
  190. 0.49% [xfs] [k] xfs_buf_rele
  191. 0.46% [kernel] [k] radix_tree_lookup
  192. 0.45% [kernel] [k] __hrtimer_start_range_ns
  193. 0.41% [xfs] [k] xfs_trans_brelse
  194. 0.38% [xfs] [k] xfs_buf_get
  195. 0.37% [kernel] [k] __d_lookup_rcu
  196. 0.35% [xfs] [k] xfs_perag_get
  197. 0.35% [kernel] [k] __cache_free
  198. 0.34% [kernel] [k] up
  199. 0.33% [kernel] [k] get_page_from_freelist
  200. 0.33% [xfs] [k] xfs_buf_read
  201. 0.31% [kernel] [k] number
  202. 0.30% [kernel] [k] hrtimer_interrupt
  203. 0.28% [kernel] [k] vsnprintf
  204. 0.28% [kernel] [k] radix_tree_insert
  205. 0.27% [kernel] [k] virt_to_slab
  206. 0.27% [kernel] [k] link_path_walk
  207. 0.27% [xfs] [k] xfs_iread
  208. 0.26% [kernel] [k] address_space_init_once
  209. 0.26% [xfs] [k] xfs_inode_alloc
  210. 0.25% [xfs] [k] xfs_bulkstat_one_int
  211. 0.24% [kernel] [k] __kmalloc
  212. 0.24% [kernel] [k] clear_page_c
  213. 
  214. PerfTop: 1179 irqs/sec kernel:97.5% exact: 0.0% [1000Hz cycles], (all, 64 CPUs)
  215. ---------------------------------------------------------------------------------------------------------------
  216.  
  217. 11.80% [xfs] [k] xfs_btree_get_rec
  218. 11.65% [xfs] [k] _xfs_buf_find
  219. 11.22% [xfs] [k] xfs_btree_increment
  220. 8.02% [xfs] [k] xfs_inobt_get_rec
  221. 4.68% [kernel] [k] intel_idle
  222. 4.28% [xfs] [k] xfs_btree_get_block
  223. 3.83% [xfs] [k] xfs_dialloc
  224. 3.39% [xfs] [k] xfs_btree_readahead
  225. 1.88% [xfs] [k] xfs_btree_rec_offset
  226. 1.71% [xfs] [k] xfs_btree_rec_addr
  227. 1.36% [xfs] [k] xfs_btree_check_sblock
  228. 1.21% [xfs] [k] kmem_zone_zalloc
  229. 1.20% [xfs] [k] xfs_btree_lookup
  230. 1.19% [kernel] [k] _raw_spin_lock
  231. 0.96% [kernel] [k] _raw_spin_lock_irqsave
  232. 0.95% [kernel] [k] inode_init_once
  233. 0.93% [kernel] [k] find_busiest_group
  234. 0.82% [xfs] [k] xfs_trans_read_buf
  235. 0.73% [kernel] [k] kmem_cache_alloc
  236. 0.70% [kernel] [k] _raw_spin_unlock_irqrestore
  237. 0.65% [kernel] [k] format_decode
  238. 0.63% [kernel] [k] _atomic_dec_and_lock
  239. 0.62% [kernel] [k] ____cache_alloc
  240. 0.55% [xfs] [k] xfs_fs_inode_init_once
  241. 0.54% [xfs] [k] xfs_perag_put
  242. 0.51% [kernel] [k] __hrtimer_start_range_ns
  243. 0.48% [xfs] [k] xfs_buf_rele
  244. 0.41% [xfs] [k] xfs_log_commit_cil
  245. 0.41% [kernel] [k] radix_tree_lookup
  246. 0.37% [kernel] [k] up
  247. 0.35% [xfs] [k] xfs_perag_get
  248. 0.35% [xfs] [k] xfs_trans_brelse
  249. 0.33% [xfs] [k] xfs_buf_get
  250. 0.32% [kernel] [k] __d_lookup_rcu
  251. 0.30% [kernel] [k] __cache_free
  252. 0.30% [kernel] [k] virt_to_slab
  253. 0.30% [kernel] [k] radix_tree_insert
  254. 0.29% [xfs] [k] xfs_iread
  255. 0.29% [xfs] [k] xfs_trans_buf_item_match
  256. 0.27% [kernel] [k] vsnprintf
  257. 0.27% [xfs] [k] xfs_inode_alloc
  258. 0.27% [xfs] [k] xfs_buf_read
  259. 0.26% [kernel] [k] hrtimer_interrupt
  260. 0.26% [kernel] [k] number
  261. 0.26% [kernel] [k] get_page_from_freelist
  262. 0.26% [kernel] [k] address_space_init_once
  263. 0.25% [xfs] [k] xfs_bulkstat_one_int
  264. 0.23% [kernel] [k] kmem_cache_free
  265. 0.22% [kernel] [k] remove_vm_area
  266. 
  267. PerfTop: 1500 irqs/sec kernel:97.2% exact: 0.0% [1000Hz cycles], (all, 64 CPUs)
  268. ---------------------------------------------------------------------------------------------------------------
  269.  
  270. 11.86% [xfs] [k] xfs_btree_get_rec
  271. 11.57% [xfs] [k] _xfs_buf_find
  272. 11.42% [xfs] [k] xfs_btree_increment
  273. 8.13% [xfs] [k] xfs_inobt_get_rec
  274. 5.02% [kernel] [k] intel_idle
  275. 4.42% [xfs] [k] xfs_btree_get_block
  276. 3.83% [xfs] [k] xfs_dialloc
  277. 3.23% [xfs] [k] xfs_btree_readahead
  278. 1.88% [xfs] [k] xfs_btree_rec_offset
  279. 1.62% [xfs] [k] xfs_btree_rec_addr
  280. 1.38% [xfs] [k] xfs_btree_check_sblock
  281. 1.29% [xfs] [
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