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ruby--ruby/debug_counter.h
ko1 c671f836b4 add debug counters to count call cache fastpath. 
Add counters to count ccf (call cache fastpath) usage.
These counters will help which kind of method dispatch
is important to optimize.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67336 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2019-03-22 07:57:26 +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)
/*
* call cache fastpath usage
*/
RB_DEBUG_COUNTER(ccf_general)
RB_DEBUG_COUNTER(ccf_iseq_setup)
RB_DEBUG_COUNTER(ccf_iseq_setup_0start)
RB_DEBUG_COUNTER(ccf_iseq_setup_tailcall_0start)
RB_DEBUG_COUNTER(ccf_iseq_fix) /* several functions created with tool/mk_call_iseq_optimized.rb */
RB_DEBUG_COUNTER(ccf_iseq_opt)
RB_DEBUG_COUNTER(ccf_iseq_kw1)
RB_DEBUG_COUNTER(ccf_iseq_kw2)
RB_DEBUG_COUNTER(ccf_cfunc)
RB_DEBUG_COUNTER(ccf_ivar)
RB_DEBUG_COUNTER(ccf_attrset)
RB_DEBUG_COUNTER(ccf_method_missing)
RB_DEBUG_COUNTER(ccf_zsuper)
RB_DEBUG_COUNTER(ccf_bmethod)
RB_DEBUG_COUNTER(ccf_opt_send)
RB_DEBUG_COUNTER(ccf_opt_call)
RB_DEBUG_COUNTER(ccf_opt_block_call)
RB_DEBUG_COUNTER(ccf_super_method)
/*
* 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)
/* GC counts:
*
* * count: simple count
* * _minor: minor gc
* * _major: major gc
* * other suffix is corresponding to last_gc_info or
* gc_profile_record_flag in gc.c.
*/
RB_DEBUG_COUNTER(gc_count)
RB_DEBUG_COUNTER(gc_minor_newobj)
RB_DEBUG_COUNTER(gc_minor_malloc)
RB_DEBUG_COUNTER(gc_minor_method)
RB_DEBUG_COUNTER(gc_minor_capi)
RB_DEBUG_COUNTER(gc_minor_stress)
RB_DEBUG_COUNTER(gc_major_nofree)
RB_DEBUG_COUNTER(gc_major_oldgen)
RB_DEBUG_COUNTER(gc_major_shady)
RB_DEBUG_COUNTER(gc_major_force)
RB_DEBUG_COUNTER(gc_major_oldmalloc)
/* 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.
* * _transient: R?? uses transient heap.
* * 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_embed)
RB_DEBUG_COUNTER(obj_obj_transient)
RB_DEBUG_COUNTER(obj_obj_ptr)
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_embed)
RB_DEBUG_COUNTER(obj_ary_transient)
RB_DEBUG_COUNTER(obj_ary_ptr)
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_hash_ar)
RB_DEBUG_COUNTER(obj_hash_st)
RB_DEBUG_COUNTER(obj_hash_transient)
RB_DEBUG_COUNTER(obj_hash_force_convert)
RB_DEBUG_COUNTER(obj_struct_embed)
RB_DEBUG_COUNTER(obj_struct_transient)
RB_DEBUG_COUNTER(obj_struct_ptr)
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)
/* transient_heap */
RB_DEBUG_COUNTER(theap_alloc)
RB_DEBUG_COUNTER(theap_alloc_fail)
RB_DEBUG_COUNTER(theap_evacuate)
/* 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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