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* parse.y: add dtrace probe for symbol create.

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* probes.d: ditto

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39266 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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tenderlove 2013-02-16 03:16:05 +00:00
parent 733d65df5e
commit 53f97f1c27
3 changed files with 22 additions and 0 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
Sat Feb 16 12:15:20 2013 Aaron Patterson <aaron@tenderlovemaking.com>
* parse.y: add dtrace probe for symbol create.
* probes.d: ditto
Sat Feb 16 09:27:37 2013 Tanaka Akira <akr@fsij.org> Sat Feb 16 09:27:37 2013 Tanaka Akira <akr@fsij.org>
* ext/socket/extconf.rb: don't test sys/feature_tests.h which is not * ext/socket/extconf.rb: don't test sys/feature_tests.h which is not

5
parse.y
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@ -10130,6 +10130,11 @@ static ID
register_symid_str(ID id, VALUE str) register_symid_str(ID id, VALUE str)
{ {
OBJ_FREEZE(str); OBJ_FREEZE(str);
if (RUBY_DTRACE_SYMBOL_CREATE_ENABLED()) {
RUBY_DTRACE_SYMBOL_CREATE(RSTRING_PTR(str), rb_sourcefile(), rb_sourceline());
}
st_add_direct(global_symbols.sym_id, (st_data_t)str, id); st_add_direct(global_symbols.sym_id, (st_data_t)str, id);
st_add_direct(global_symbols.id_str, id, (st_data_t)str); st_add_direct(global_symbols.id_str, id, (st_data_t)str);
return id; return id;

11
probes.d
View File

@ -150,6 +150,17 @@ provider ruby {
*/ */
probe string__create(long, const char *, int); probe string__create(long, const char *, int);
/*
ruby:::symbol-create(string, filename, lineno);
This probe is fired when a Symbol is about to be allocated.
* `string` the contents of the symbol (string)
* `filename` the name of the file where the string is allocated (string)
* `lineno` the line number in the file where the string is allocated (int)
*/
probe symbol__create(const char *, const char *, int);
/* /*
ruby:::parse-begin(sourcefile, lineno); ruby:::parse-begin(sourcefile, lineno);