From 53f97f1c278d2ea22a614682cd47c3ac61e57ef5 Mon Sep 17 00:00:00 2001 From: tenderlove Date: Sat, 16 Feb 2013 03:16:05 +0000 Subject: * parse.y: add dtrace probe for symbol create. * probes.d: ditto git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39266 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ChangeLog | 6 ++++++ parse.y | 5 +++++ probes.d | 11 +++++++++++ 3 files changed, 22 insertions(+) diff --git a/ChangeLog b/ChangeLog index 8802572325..f6a0cce829 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +Sat Feb 16 12:15:20 2013 Aaron Patterson + + * parse.y: add dtrace probe for symbol create. + + * probes.d: ditto + Sat Feb 16 09:27:37 2013 Tanaka Akira * ext/socket/extconf.rb: don't test sys/feature_tests.h which is not diff --git a/parse.y b/parse.y index 2e81b66ab2..66ed654c38 100644 --- a/parse.y +++ b/parse.y @@ -10130,6 +10130,11 @@ static ID register_symid_str(ID id, VALUE 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.id_str, id, (st_data_t)str); return id; diff --git a/probes.d b/probes.d index 31aef37854..b34764edca 100644 --- a/probes.d +++ b/probes.d @@ -150,6 +150,17 @@ provider ruby { */ 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); -- cgit v1.2.1