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ruby--ruby/debug_counter.h
ko1 aa1023edc4 add debug counters more. 
* debug_counter.h: add debug counters to count frame state transitions:
  * frame_R2R: Ruby frame to Ruby frame
  * frame_R2C: Ruby frame to C frame
  * frame_C2C: C frame to C frame
  * frame_C2R: C frame to Ruby frame

* vm_insnhelper.c (vm_push_frame): ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64871 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-09-28 03:35:15 +00:00

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/**********************************************************************
debug_counter.h -
created at: Tue Feb 21 16:51:18 2017
Copyright (C) 2017 Koichi Sasada
**********************************************************************/
#ifndef USE_DEBUG_COUNTER
#define USE_DEBUG_COUNTER 0
#endif
#ifdef RB_DEBUG_COUNTER
/*
* method cache (mc) counts.
*
* * mc_inline_hit/miss: inline mc hit/miss counts (VM send insn)
* * mc_global_hit/miss: global method cache hit/miss counts
* two types: (1) inline cache miss (VM send insn)
* (2) called from C (rb_funcall).
* * mc_global_state_miss: inline mc miss by global_state miss.
* * mc_class_serial_miss: ... by mc_class_serial_miss
* * mc_cme_complement: cme complement counts.
* * mc_cme_complement_hit: cme cache hit counts.
* * mc_search_super: search_method() call counts.
*/
RB_DEBUG_COUNTER(mc_inline_hit)
RB_DEBUG_COUNTER(mc_inline_miss)
RB_DEBUG_COUNTER(mc_global_hit)
RB_DEBUG_COUNTER(mc_global_miss)
RB_DEBUG_COUNTER(mc_global_state_miss)
RB_DEBUG_COUNTER(mc_class_serial_miss)
RB_DEBUG_COUNTER(mc_cme_complement)
RB_DEBUG_COUNTER(mc_cme_complement_hit)
RB_DEBUG_COUNTER(mc_search_super)
/*
* control frame push counts.
*
* * frame_push: frame push counts.
* * frame_push_*: frame push counts per each type.
* * frame_R2R: Ruby frame to Ruby frame
* * frame_R2C: Ruby frame to C frame
* * frame_C2C: C frame to C frame
* * frame_C2R: C frame to Ruby frame
*/
RB_DEBUG_COUNTER(frame_push)
RB_DEBUG_COUNTER(frame_push_method)
RB_DEBUG_COUNTER(frame_push_block)
RB_DEBUG_COUNTER(frame_push_class)
RB_DEBUG_COUNTER(frame_push_top)
RB_DEBUG_COUNTER(frame_push_cfunc)
RB_DEBUG_COUNTER(frame_push_ifunc)
RB_DEBUG_COUNTER(frame_push_eval)
RB_DEBUG_COUNTER(frame_push_rescue)
RB_DEBUG_COUNTER(frame_push_dummy)
RB_DEBUG_COUNTER(frame_R2R)
RB_DEBUG_COUNTER(frame_R2C)
RB_DEBUG_COUNTER(frame_C2C)
RB_DEBUG_COUNTER(frame_C2R)
/* instance variable counts
*
* * ivar_get_ic_hit/miss: ivar_get inline cache (ic) hit/miss counts (VM insn)
* * ivar_get_ic_miss_serial: ivar_get ic miss reason by serial (VM insn)
* * ivar_get_ic_miss_unset: ... by unset (VM insn)
* * ivar_get_ic_miss_noobject: ... by "not T_OBJECT" (VM insn)
* * ivar_set_...: same counts with ivar_set (VM insn)
* * ivar_get/set_base: call counts of "rb_ivar_get/set()".
* because of (1) ic miss.
* (2) direct call by C extensions.
*/
RB_DEBUG_COUNTER(ivar_get_ic_hit)
RB_DEBUG_COUNTER(ivar_get_ic_miss)
RB_DEBUG_COUNTER(ivar_get_ic_miss_serial)
RB_DEBUG_COUNTER(ivar_get_ic_miss_unset)
RB_DEBUG_COUNTER(ivar_get_ic_miss_noobject)
RB_DEBUG_COUNTER(ivar_set_ic_hit)
RB_DEBUG_COUNTER(ivar_set_ic_miss)
RB_DEBUG_COUNTER(ivar_set_ic_miss_serial)
RB_DEBUG_COUNTER(ivar_set_ic_miss_unset)
RB_DEBUG_COUNTER(ivar_set_ic_miss_oorange)
RB_DEBUG_COUNTER(ivar_set_ic_miss_noobject)
RB_DEBUG_COUNTER(ivar_get_base)
RB_DEBUG_COUNTER(ivar_set_base)
/* local variable counts
*
* * lvar_get: total lvar get counts (VM insn)
* * lvar_get_dynamic: lvar get counts if accessing upper env (VM insn)
* * lvar_set*: same as "get"
* * lvar_set_slowpath: counts using vm_env_write_slowpath()
*/
RB_DEBUG_COUNTER(lvar_get)
RB_DEBUG_COUNTER(lvar_get_dynamic)
RB_DEBUG_COUNTER(lvar_set)
RB_DEBUG_COUNTER(lvar_set_dynamic)
RB_DEBUG_COUNTER(lvar_set_slowpath)
/* object allocation counts:
*
* * obj_newobj: newobj counts
* * obj_newobj_slowpath: newobj with slowpath counts
* * obj_newobj_wb_unprotected: newobj for wb_unprotecte.
* * obj_free: obj_free() counts
* * obj_promote: promoted counts (oldgen)
* * obj_wb_unprotect: wb unprotect counts
*
* * obj_[type]_[attr]: *free'ed counts* for each type.
* Note that it is not a allocated counts.
* * [type]
* * _obj: T_OBJECT
* * _str: T_STRING
* * _ary: T_ARRAY
* * _xxx: T_XXX (hash, struct, ...)
*
* * [attr]
* * _ptr: R?? is not embed.
* * _embed: R?? is embed.
* * type specific attr.
* * str_shared: str is shared.
* * str_nofree: nofree
* * str_fstr: fstr
* * hash_empty: hash is empty
* * hash_under4: has under 4 entries
* * hash_ge4: has n entries (4<=n<8)
* * hash_ge8: has n entries (8<=n)
* * data_empty: T_DATA but no memory free.
* * data_xfree: free'ed by xfree().
* * data_imm_free: free'ed immediately.
* * data_zombie: free'ed with zombie.
* * imemo_*: T_IMEMO with each type.
*/
RB_DEBUG_COUNTER(obj_newobj)
RB_DEBUG_COUNTER(obj_newobj_slowpath)
RB_DEBUG_COUNTER(obj_newobj_wb_unprotected)
RB_DEBUG_COUNTER(obj_free)
RB_DEBUG_COUNTER(obj_promote)
RB_DEBUG_COUNTER(obj_wb_unprotect)
RB_DEBUG_COUNTER(obj_obj_ptr)
RB_DEBUG_COUNTER(obj_obj_embed)
RB_DEBUG_COUNTER(obj_str_ptr)
RB_DEBUG_COUNTER(obj_str_embed)
RB_DEBUG_COUNTER(obj_str_shared)
RB_DEBUG_COUNTER(obj_str_nofree)
RB_DEBUG_COUNTER(obj_str_fstr)
RB_DEBUG_COUNTER(obj_ary_ptr)
RB_DEBUG_COUNTER(obj_ary_embed)
RB_DEBUG_COUNTER(obj_hash_empty)
RB_DEBUG_COUNTER(obj_hash_under4)
RB_DEBUG_COUNTER(obj_hash_ge4)
RB_DEBUG_COUNTER(obj_hash_ge8)
RB_DEBUG_COUNTER(obj_struct_ptr)
RB_DEBUG_COUNTER(obj_struct_embed)
RB_DEBUG_COUNTER(obj_regexp_ptr)
RB_DEBUG_COUNTER(obj_data_empty)
RB_DEBUG_COUNTER(obj_data_xfree)
RB_DEBUG_COUNTER(obj_data_imm_free)
RB_DEBUG_COUNTER(obj_data_zombie)
RB_DEBUG_COUNTER(obj_match_ptr)
RB_DEBUG_COUNTER(obj_file_ptr)
RB_DEBUG_COUNTER(obj_bignum_ptr)
RB_DEBUG_COUNTER(obj_symbol)
RB_DEBUG_COUNTER(obj_imemo_ment)
RB_DEBUG_COUNTER(obj_imemo_iseq)
RB_DEBUG_COUNTER(obj_imemo_env)
RB_DEBUG_COUNTER(obj_imemo_tmpbuf)
RB_DEBUG_COUNTER(obj_imemo_ast)
RB_DEBUG_COUNTER(obj_imemo_cref)
RB_DEBUG_COUNTER(obj_imemo_svar)
RB_DEBUG_COUNTER(obj_imemo_throw_data)
RB_DEBUG_COUNTER(obj_imemo_ifunc)
RB_DEBUG_COUNTER(obj_imemo_memo)
RB_DEBUG_COUNTER(obj_imemo_parser_strterm)
RB_DEBUG_COUNTER(obj_iclass_ptr)
RB_DEBUG_COUNTER(obj_class_ptr)
RB_DEBUG_COUNTER(obj_module_ptr)
/* heap function counts
*
* * heap_xmalloc/realloc/xfree: call counts
*/
RB_DEBUG_COUNTER(heap_xmalloc)
RB_DEBUG_COUNTER(heap_xrealloc)
RB_DEBUG_COUNTER(heap_xfree)
/* load (not implemented yet) */
/*
RB_DEBUG_COUNTER(load_files)
RB_DEBUG_COUNTER(load_path_is_not_realpath)
*/
#endif
#ifndef RUBY_DEBUG_COUNTER_H
#define RUBY_DEBUG_COUNTER_H 1
#if !defined(__GNUC__) && USE_DEBUG_COUNTER
#error "USE_DEBUG_COUNTER is not supported by other than __GNUC__"
#endif
enum rb_debug_counter_type {
#define RB_DEBUG_COUNTER(name) RB_DEBUG_COUNTER_##name,
#include __FILE__
RB_DEBUG_COUNTER_MAX
#undef RB_DEBUG_COUNTER
};
#if USE_DEBUG_COUNTER
#include "ruby/ruby.h"
extern size_t rb_debug_counter[];
inline static int
rb_debug_counter_add(enum rb_debug_counter_type type, int add, int cond)
{
if (cond) {
rb_debug_counter[(int)type] += add;
}
return cond;
}
#define RB_DEBUG_COUNTER_INC(type) rb_debug_counter_add(RB_DEBUG_COUNTER_##type, 1, 1)
#define RB_DEBUG_COUNTER_INC_UNLESS(type, cond) (!rb_debug_counter_add(RB_DEBUG_COUNTER_##type, 1, !(cond)))
#define RB_DEBUG_COUNTER_INC_IF(type, cond) rb_debug_counter_add(RB_DEBUG_COUNTER_##type, 1, (cond))
#else
#define RB_DEBUG_COUNTER_INC(type) ((void)0)
#define RB_DEBUG_COUNTER_INC_UNLESS(type, cond) (cond)
#define RB_DEBUG_COUNTER_INC_IF(type, cond) (cond)
#endif
void rb_debug_counter_show_results(const char *msg);
#endif /* RUBY_DEBUG_COUNTER_H */
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