Flat profile:

Each sample counts as 0.01 seconds.
  %   cumulative   self              self     total           
 time   seconds   seconds    calls  ns/call  ns/call  name    
 55.56      0.05     0.05  1000000    50.00    55.00  e()
 33.33      0.08     0.03                             main
 11.11      0.09     0.01  2000000     5.00     5.00  f(bool)
  0.00      0.09     0.00  1000000     0.00     5.00  r()
  0.00      0.09     0.00        1     0.00     0.00  global constructors keyed to _Z1fb
  0.00      0.09     0.00        1     0.00     0.00  __static_initialization_and_destruction_0(int, int)
  0.00      0.09     0.00                             __do_global_ctors_aux
  0.00      0.09     0.00                             __do_global_dtors_aux
  0.00      0.09     0.00                             __gmon_start__
  0.00      0.09     0.00                             __i686.get_pc_thunk.bx
  0.00      0.09     0.00                             __libc_csu_fini
  0.00      0.09     0.00                             __libc_csu_init
  0.00      0.09     0.00                             _fini
  0.00      0.09     0.00                             _init
  0.00      0.09     0.00                             _start
  0.00      0.09     0.00                             atexit
  0.00      0.09     0.00                             data_start
  0.00      0.09     0.00                             frame_dummy

			Call graph


granularity: each sample hit covers 4 byte(s) for 11.11% of 0.09 seconds

index % time    self  children    called     name
                                                 <spontaneous>
[1]    100.0    0.03    0.06                 main [1]
                0.05    0.01 1000000/1000000     e() [2]
                0.00    0.01 1000000/1000000     r() [4]
-----------------------------------------------
                0.05    0.01 1000000/1000000     main [1]
[2]     61.1    0.05    0.01 1000000         e() [2]
                0.01    0.00 1000000/2000000     f(bool) [3]
-----------------------------------------------
                0.01    0.00 1000000/2000000     r() [4]
                0.01    0.00 1000000/2000000     e() [2]
[3]     11.1    0.01    0.00 2000000         f(bool) [3]
-----------------------------------------------
                0.00    0.01 1000000/1000000     main [1]
[4]      5.6    0.00    0.01 1000000         r() [4]
                0.01    0.00 1000000/2000000     f(bool) [3]
-----------------------------------------------
                                                 <spontaneous>
[5]      0.0    0.00    0.00                 atexit [5]
-----------------------------------------------
                                                 <spontaneous>
[6]      0.0    0.00    0.00                 data_start [6]
-----------------------------------------------
                                                 <spontaneous>
[7]      0.0    0.00    0.00                 frame_dummy [7]
-----------------------------------------------
                0.00    0.00       1/1           __do_global_ctors_aux [10]
[8]      0.0    0.00    0.00       1         global constructors keyed to _Z1fb [8]
                0.00    0.00       1/1           __static_initialization_and_destruction_0(int, int) [9]
-----------------------------------------------
                0.00    0.00       1/1           global constructors keyed to _Z1fb [8]
[9]      0.0    0.00    0.00       1         __static_initialization_and_destruction_0(int, int) [9]
-----------------------------------------------
                                                 <spontaneous>
[10]     0.0    0.00    0.00                 __do_global_ctors_aux [10]
                0.00    0.00       1/1           global constructors keyed to _Z1fb [8]
-----------------------------------------------
                                                 <spontaneous>
[11]     0.0    0.00    0.00                 __do_global_dtors_aux [11]
-----------------------------------------------
                                                 <spontaneous>
[12]     0.0    0.00    0.00                 __gmon_start__ [12]
-----------------------------------------------
                                                 <spontaneous>
[13]     0.0    0.00    0.00                 __i686.get_pc_thunk.bx [13]
-----------------------------------------------
                                                 <spontaneous>
[14]     0.0    0.00    0.00                 __libc_csu_fini [14]
-----------------------------------------------
                                                 <spontaneous>
[15]     0.0    0.00    0.00                 __libc_csu_init [15]
-----------------------------------------------
                                                 <spontaneous>
[16]     0.0    0.00    0.00                 _fini [16]
-----------------------------------------------
                                                 <spontaneous>
[17]     0.0    0.00    0.00                 _init [17]
-----------------------------------------------
                                                 <spontaneous>
[18]     0.0    0.00    0.00                 _start [18]
-----------------------------------------------

Index by function name

   [8] global constructors keyed to _Z1fb (main.cpp) [11] __do_global_dtors_aux [17] _init
   [2] e()                    [12] __gmon_start__         [18] _start
   [3] f(bool)                [13] __i686.get_pc_thunk.bx  [5] atexit
   [4] r()                    [14] __libc_csu_fini         [6] data_start
   [9] __static_initialization_and_destruction_0(int, int) (main.cpp) [15] __libc_csu_init [7] frame_dummy
  [10] __do_global_ctors_aux  [16] _fini                   [1] main