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* variable.c (rb_class_path_no_cache): add a function to get the class

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path without caching the computed path. Some classes are frozen, and
  will raise an exception without this.

* probes.d (cmethod-entry, cmethod-return): separate cmethods from
  regular methods to match set trace func.

* probes_helper.h: refactor macros.  Fix probes to avoid calling
  #inspect when profiling.

* insns.def: update for use with new macros.

* vm_eval.c: ditto

* vm_insnhelper.c: ditto

* test/dtrace/test_singleton_function.rb: fix test for new output.

* test/dtrace/test_cmethod.rb: test the cmethod probes.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38099 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
tenderlove 2012-12-01 02:13:06 +00:00
parent d3c6187a4d
commit afb02bbe92
9 changed files with 177 additions and 68 deletions
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71
probes_helper.h
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@ -4,23 +4,11 @@
#include "ruby/ruby.h"
#include "probes.h"
#define RUBY_DTRACE_METHOD_ENTRY_HOOK(klass, id) \
if (RUBY_DTRACE_METHOD_ENTRY_ENABLED()) { \
const char * classname = rb_class2name((klass)); \
const char * methodname = rb_id2name((id)); \
const char * filename = rb_sourcefile(); \
if (classname && methodname && filename) { \
RUBY_DTRACE_METHOD_ENTRY( \
classname, \
methodname, \
filename, \
rb_sourceline()); \
} \
} \
VALUE rb_class_path_no_cache(VALUE _klass);
#define RUBY_DTRACE_METHOD_RETURN_HOOK(th, klass, id) \
if (RUBY_DTRACE_METHOD_RETURN_ENABLED()) { \
VALUE _klass = (klass); \
#define RUBY_DTRACE_HOOK(name, th, klazz, id) \
if (RUBY_DTRACE_##name##_ENABLED()) { \
VALUE _klass = (klazz); \
VALUE _id = (id); \
const char * classname; \
const char * methodname; \
@ -28,16 +16,49 @@
if (!_klass) { \
rb_thread_method_id_and_class((th), &_id, &_klass); \
} \
classname = rb_class2name(_klass); \
methodname = rb_id2name(_id); \
filename = rb_sourcefile(); \
if (classname && methodname && filename) { \
RUBY_DTRACE_METHOD_RETURN( \
classname, \
methodname, \
filename, \
rb_sourceline()); \
if (_klass) { \
if (RB_TYPE_P(_klass, T_ICLASS)) { \
_klass = RBASIC(_klass)->klass; \
} \
else if (FL_TEST(_klass, FL_SINGLETON)) { \
_klass = rb_iv_get(_klass, "__attached__"); \
} \
switch(TYPE(_klass)) { \
case T_CLASS: \
case T_ICLASS: \
case T_MODULE: \
{ \
VALUE _name = rb_class_path_no_cache(_klass); \
if (!NIL_P(_name)) { \
classname = StringValuePtr(_name); \
} else { \
classname = "<unknown>"; \
} \
methodname = rb_id2name(_id); \
filename = rb_sourcefile(); \
if (classname && methodname && filename) { \
RUBY_DTRACE_##name( \
classname, \
methodname, \
filename, \
rb_sourceline()); \
} \
break; \
} \
} \
} \
} \
#define RUBY_DTRACE_METHOD_ENTRY_HOOK(th, klass, id) \
RUBY_DTRACE_HOOK(METHOD_ENTRY, th, klass, id)
#define RUBY_DTRACE_METHOD_RETURN_HOOK(th, klass, id) \
RUBY_DTRACE_HOOK(METHOD_RETURN, th, klass, id)
#define RUBY_DTRACE_CMETHOD_ENTRY_HOOK(th, klass, id) \
RUBY_DTRACE_HOOK(CMETHOD_ENTRY, th, klass, id)
#define RUBY_DTRACE_CMETHOD_RETURN_HOOK(th, klass, id) \
RUBY_DTRACE_HOOK(CMETHOD_RETURN, th, klass, id)
#endif /* RUBY_PROBES_HELPER_H */