From: KOSAKI Motohiro <kosaki.motohiro@...>
Date: 2011-08-28T09:55:41+09:00
Subject: [ruby-core:39156] Re: [Feature: Ruby 1.9] profile interface

> �{} # create a hash object
> �require 'pp'
> �pp RubyVM::profile_get
>
> #=> result:
>> {:vm_send=>108,
>> �:vm_send_fromc=>134,
>> �:vm_send_hit_inlinecache=>0,
>> �:vm_send_miss_inlinecache=>108,
>> �:vm_send_hit_globalcache=>133,
>> �:vm_send_miss_globalcache=>258,
>> �:vm_send_type_iseq=>0,
>> �:vm_send_type_cfunc=>108,
>> �:vm_send_type_attrset=>0,
>> �:vm_send_type_ivar=>0,
>> �:vm_send_type_bmethod=>0,
>> �:vm_send_type_zsuper=>0,
>> �:vm_send_type_undef=>0,
>> �:vm_send_type_notimplemented=>0,
>> �:vm_send_type_optimized=>0,
>> �:vm_send_type_missing=>0,
>> �:vm_yield=>0,
>> �:vm_yield_fromc=>20,
>> �:vm_yield_type_iseq=>20,
>> �:vm_yield_type_cfunc=>0,
>> �:vm_stateversion_increment=>428,
>> �:thread_start=>0,
>> �:thread_terminate=>0,
>> �:thread_schedule=>1,
>> �:thread_gvl_acquire=>8,
>> �:thread_gvl_release=>7,
>> �:fiber_switch=>0,
>> �:object_create=>5609,
>> �:object_string_create=>1379,
>> �:object_array_create=>694,
>> �:object_hash_create=>5,
>> �:object_proc_create=>0,
>> �:object_env_create=>1,
>> �:gc_mark=>0,
>> �:gc_sweep=>0,
>> �:memory_malloc=>4884,
>> �:memory_free=>1140,
>> �:memory_realloc=>293}
>
> Any comments?

In general, too many profile enabling make inaccuracy. It's better to
enable a counter one by one, not all at once.