CPU: P4 / Xeon with 2 hyper-threads, speed 3200.53 MHz (estimated)
Counted GLOBAL_POWER_EVENTS events (time during which processor is not stopped) with a unit mask of 0x01 (mandatory) count 10000
samples  %        symbol name
348827   33.2260  gen_kill_estimator
124818   11.8890  acpi_pm_read
44388     4.2280  ioread16
35074     3.3408  __copy_to_user_ll
33251     3.1672  rtnl_fill_ifinfo
18708     1.7819  ioread32
18350     1.7478  netif_receive_skb
17045     1.6235  copy_to_user
15829     1.5077  __nla_reserve
15261     1.4536  page_fault
14644     1.3948  rtnl_dump_ifinfo
12348     1.1762  __nla_put
11149     1.0619  dev_queue_xmit
11077     1.0551  ioread8
8327      0.7932  sysenter_past_esp
7279      0.6933  est_timer
6631      0.6316  get_page_from_freelist
4863      0.4632  handle_mm_fault
4817      0.4588  csum_partial
4782      0.4555  strlen
4644      0.4423  find_vma
4422      0.4212  nla_put
4406      0.4197  ip_route_input
4200      0.4001  skb_put

Here is details from opannotate

c024dc30 <gen_kill_estimator>: /* gen_kill_estimator total: 266925 23.2740 */
               :c024dc30:       push   %ebp
     1 8.7e-05 :c024dc31:       mov    %esp,%ebp
               :c024dc33:       push   %edi
               :c024dc34:       xor    %edi,%edi
               :c024dc36:       push   %esi
               :c024dc37:       push   %ebx
               :c024dc38:       sub    $0x10,%esp
               :c024dc3b:       mov    %eax,0xffffffe8(%ebp)
               :c024dc3e:       mov    %edx,0xffffffe4(%ebp)
               :c024dc41:       movl   $0xc08630bc,0xfffffff0(%ebp)
               :c024dc48:       mov    0xfffffff0(%ebp),%eax
     1 8.7e-05 :c024dc4b:       cmpl   $0x0,(%eax)
    26  0.0023 :c024dc4e:       je     c024dcb6 <gen_kill_estimator+0x86>
     3 2.6e-04 :c024dc50:       mov    0xc(%eax),%ebx
     3 2.6e-04 :c024dc53:       mov    %edi,%eax
               :c024dc55:       shl    $0x5,%eax
               :c024dc58:       add    $0xc08630c8,%eax
     1 8.7e-05 :c024dc5d:       mov    (%ebx),%esi
     4 3.5e-04 :c024dc5f:       mov    %eax,0xffffffec(%ebp)
               :c024dc62:       jmp    c024dcb1 <gen_kill_estimator+0x81>
   782  0.0682 :c024dc64:       mov    0xffffffe4(%ebp),%eax
   390  0.0340 :c024dc67:       cmp    %eax,0xc(%ebx)
 12239  1.0672 :c024dc6a:       jne    c024dcad <gen_kill_estimator+0x7d>
               :c024dc6c:       mov    0xffffffe8(%ebp),%eax
               :c024dc6f:       cmp    %eax,0x8(%ebx)
               :c024dc72:       jne    c024dcad <gen_kill_estimator+0x7d>
               :c024dc74:       mov    $0xc036d620,%eax
               :c024dc79:       call   c02a7817 <_write_lock_bh>
     3 2.6e-04 :c024dc7e:       mov    $0xc036d620,%eax
               :c024dc83:       movl   $0x0,0x8(%ebx)
               :c024dc8a:       call   c02a78ac <_write_unlock_bh>
               :c024dc8f:       mov    0x4(%ebx),%edx
               :c024dc92:       mov    (%ebx),%eax
               :c024dc94:       mov    %edx,0x4(%eax)
               :c024dc97:       mov    %eax,(%edx)
               :c024dc99:       lea    0x2c(%ebx),%eax
               :c024dc9c:       mov    $0xc024dcc8,%edx
               :c024dca1:       movl   $0x200200,0x4(%ebx)
               :c024dca8:       call   c014279c <call_rcu>
  6905  0.6021 :c024dcad:       mov    %esi,%ebx
  1716  0.1496 :c024dcaf:       mov    (%esi),%esi
232351 20.2593 :c024dcb1:       cmp    0xffffffec(%ebp),%ebx
 12492  1.0892 :c024dcb4:       jne    c024dc64 <gen_kill_estimator+0x34>
     2 1.7e-04 :c024dcb6:       inc    %edi
     5 4.4e-04 :c024dcb7:       addl   $0x20,0xfffffff0(%ebp)
               :c024dcbb:       cmp    $0x6,%edi
               :c024dcbe:       jne    c024dc48 <gen_kill_estimator+0x18>
               :c024dcc0:       add    $0x10,%esp
               :c024dcc3:       pop    %ebx
               :c024dcc4:       pop    %esi
     1 8.7e-05 :c024dcc5:       pop    %edi
																																															               :c024dc94:       mov    %edx,0x4(%eax)
																																																                      :c024dc97:       mov    %eax,(%edx)
																																																		                     :c024dc99:       lea    0x2c(%ebx),%eax
																																																				                    :c024dc9c:       mov    $0xc024dcc8,%edx
																																																						                   :c024dca1:       movl   $0x200200,0x4(%ebx)
																																																								                  :c024dca8:       call   c014279c <call_rcu>
																																																										    6905  0.6021 :c024dcad:       mov    %esi,%ebx
																																																										      1716  0.1496 :c024dcaf:       mov    (%esi),%esi
																																																										      232351 20.2593 :c024dcb1:       cmp    0xffffffec(%ebp),%ebx
																																																										       12492  1.0892 :c024dcb4:       jne    c024dc64 <gen_kill_estimator+0x34>
																																																										            2 1.7e-04 :c024dcb6:       inc    %edi
																																																											         5 4.4e-04 :c024dcb7:       addl   $0x20,0xfffffff0(%ebp)
																																																												                :c024dcbb:       cmp    $0x6,%edi
																																																														               :c024dcbe:       jne    c024dc48 <gen_kill_estimator+0x18>
																																																															                      :c024dcc0:       add    $0x10,%esp
																																																																	                     :c024dcc3:       pop    %ebx
																																																																			                    :c024dcc4:       pop    %esi
																																																																					         1 8.7e-05 :c024dcc5:       pop    %edi