gistfile1.txt

1 rb_gc_mark  (in ruby) + 55  [0x100039d47]
    1457 Thread_33491: SamplerThread
      1457 thread_start  (in libsystem_c.dylib) + 13  [0x7fff8bdf8b75]
        1457 _pthread_start  (in libsystem_c.dylib) + 335  [0x7fff8bdf58bf]
          1457 _ZN2v88internalL11ThreadEntryEPv  (in v8.bundle) + 85  [0x102dd4d75]
            1457 v8::internal::SamplerThread::Run()  (in v8.bundle) + 55  [0x102dd55c7]
              1457 v8::internal::RuntimeProfilerRateLimiter::SuspendIfNecessary()  (in v8.bundle) + 120  [0x102dedbc8]
                1457 semaphore_wait_trap  (in libsystem_kernel.dylib) + 10  [0x7fff8d2f96b6]

Total number in stack (recursive counted multiple, when >=5):
        27300       rb_gc_mark  (in ruby) + 190  [0x100039dce]
        12110       st_foreach  (in ruby) + 98  [0x1000878a2]
        11346       mark_entry  (in ruby) + 12  [0x100039eec]
        5576       gc_mark_children  (in ruby) + 124  [0x10003959c]
        5312       gc_mark_children  (in ruby) + 1778  [0x100039c12]
        5181       gc_mark_children  (in ruby) + 1524  [0x100039b14]
        4558       gc_mark_children  (in ruby) + 1769  [0x100039c09]
        4017       rb_call  (in ruby) + 188  [0x1000237ac]
        3100       rb_call0  (in ruby) + 3267  [0x1000233c3]
        2648       eval_call  (in ruby) + 347  [0x10002d95b]
        2186       gc_mark_children  (in ruby) + 1386  [0x100039a8a]
        1461       rb_eval  (in ruby) + 525  [0x10001e95d]
        1257       rb_yield_0  (in ruby) + 1135  [0x10002174f]
        1014       eval_iter  (in ruby) + 1029  [0x10002e1c5]
        1010       eval_fcall  (in ruby) + 330  [0x10002d69a]
        926       rb_call0  (in ruby) + 3436  [0x10002346c]
        775       gc_mark_children  (in ruby) + 1796  [0x100039c24]
        748       mark_keyvalue  (in ruby) + 25  [0x100039ec9]
        496       blk_mark  (in ruby) + 50  [0x100017622]
        495       gc_mark_children  (in ruby) + 1993  [0x100039ce9]
        480       rb_ary_each  (in ruby) + 46  [0x1000015ce]
        430       rb_eval  (in ruby) + 1464  [0x10001ed08]
        381       gc_mark_children  (in ruby) + 1539  [0x100039b23]
        357       blk_mark  (in ruby) + 76  [0x10001763c]
        357       rb_eval  (in ruby) + 3331  [0x10001f453]
        335       gc_mark_children  (in ruby) + 0  [0x100039520]
        294       rb_gc_mark  (in ruby) + 0  [0x100039d10]
        293       eval_call  (in ruby) + 461  [0x10002d9cd]
        274       eval_rescue  (in ruby) + 311  [0x100024b87]
        273       rb_eval  (in ruby) + 853  [0x10001eaa5]
        272       proc_invoke  (in ruby) + 1181  [0x1000224fd]
        270       gc_mark_children  (in ruby) + 1515  [0x100039b0b]
        264       block_pass  (in ruby) + 868  [0x100029494]
        254       eval_call  (in ruby) + 114  [0x10002d872]
        253       blk_mark  (in ruby) + 97  [0x100017651]
        174       eval_while  (in ruby) + 268  [0x1000207fc]
        174       garbage_collect  (in ruby) + 79  [0x10003b00f]
        174       garbage_collect_0  (in ruby) + 200  [0x10003a138]
        174       rb_str_resize  (in ruby) + 94  [0x10008e00e]
        174       ruby_xrealloc  (in ruby) + 215  [0x10003b9c7]
        174       strio_extend  (in stringio.bundle) + 60  [0x1001f190c]  stringio.c:757
        174       strio_putc  (in stringio.bundle) + 184  [0x1001f2cb8]  stringio.c:1135
        166       rb_eval  (in ruby) + 1901  [0x10001eebd]
        165       eval_slit  (in ruby) + 81  [0x100024cb1]
        165       rb_eval  (in ruby) + 1987  [0x10001ef13]
        143       rb_eval  (in ruby) + 3144  [0x10001f398]
        141       rb_eval  (in ruby) + 2205  [0x10001efed]
        133       st_foreach  (in ruby) + 0  [0x100087840]
        132       rb_eval  (in ruby) + 3073  [0x10001f351]
        117       eval_attrasgn  (in ruby) + 397  [0x10002dc4d]
        99       eval_ensure  (in ruby) + 231  [0x1000204a7]
        53       gc_mark_children  (in ruby) + 642  [0x1000397a2]
        49       rb_mark_generic_ivar  (in ruby) + 57  [0x100099639]
        37       rb_fast_mark_table_contains  (in ruby) + 0  [0x100036eb0]
        31       mark_keyvalue  (in ruby) + 17  [0x100039ec1]
        28       gc_mark_children  (in ruby) + 331  [0x10003966b]
        27       gc_mark_children  (in ruby) + 1556  [0x100039b34]
        24       rb_gc_mark  (in ruby) + 105  [0x100039d79]
        23       mark_source_filename  (in ruby) + 0  [0x100037000]
        22       rb_fast_mark_table_add  (in ruby) + 0  [0x100036e90]
        14       blk_mark  (in ruby) + 41  [0x100017619]
        13       gc_mark_children  (in ruby) + 1473  [0x100039ae1]
        12       gc_mark_children  (in ruby) + 1486  [0x100039aee]
        11       rb_fast_mark_table_add_filename  (in ruby) + 0  [0x100036ef0]
        10       blk_mark  (in ruby) + 121  [0x100017669]
        10       rb_gc_mark  (in ruby) + 118  [0x100039d86]
        8       rb_load  (in ruby) + 1476  [0x100030184]
        7       mark_entry  (in ruby) + 0  [0x100039ee0]
        7       rb_f_load  (in ruby) + 53  [0x1000307f5]
        5       blk_mark  (in ruby) + 0  [0x1000175f0]
        5       gc_mark_children  (in ruby) + 463  [0x1000396ef]

Sort by top of stack, same collapsed (when >= 5):
        semaphore_wait_trap  (in libsystem_kernel.dylib)        1457
        gc_mark_children  (in ruby)        399
        rb_gc_mark  (in ruby)        386
        rb_fast_mark_table_heap_contains  (in ruby)        224
        st_foreach  (in ruby)        222
        garbage_collect_0  (in ruby)        78
        rb_fast_mark_table_contains  (in ruby)        37
        mark_source_filename  (in ruby)        24
        rb_fast_mark_table_add  (in ruby)        22
        rb_fast_mark_table_heap_remove  (in ruby)        16
        rb_fast_mark_table_add_filename  (in ruby)        11
        mark_entry  (in ruby)        7
        blk_mark  (in ruby)        5
        rb_fast_mark_table_contains_filename  (in ruby)        5