1 files changed, 41 insertions, 0 deletions
diff --git a/defs/dtrace.d b/defs/dtrace.d
new file mode 100644
index 0000000000..2983423d0b
--- /dev/null
+++ b/defs/dtrace.d
@@ -0,0 +1,41 @@
+#ifdef BITSIZE_OF_VALUE
+#define DO_DEFINE_VALUE(sz) typedef uint ## sz ## _t VALUE
+#define DEFINE_VALUE(sz) DO_DEFINE_VALUE(sz)
+DEFINE_VALUE(BITSIZE_OF_VALUE);
+#else
+# error BITSIZE_OF_VALUE is not defined.
+#endif
+provider ruby {
+    probe method__entry(VALUE receiver, char *classname, char *methodname, char *sourcefile, int sourceline);
+    probe method__return(VALUE receiver, char *classname, char *methodname, char *sourcefile, int sourceline);
+    probe raise(VALUE exception, char *classname, char *sourcefile, int sourceline);
+    probe rescue(VALUE exception, char *classname, char *sourcefile, int sourceline);
+    probe line(char* sourcefile, int sourceline);
+
+    /* gc probes */
+    probe gc__begin();
+    probe gc__end();
+
+    /* threads and fibers */
+    probe thread__init(VALUE thread, char *sourcefile, int sourceline);
+    probe thread__term(VALUE thread, char *sourcefile, int sourceline);
+    probe thread__enter(VALUE thread, char *sourcefile, int sourceline);
+    probe thread__leave(VALUE thread, char *sourcefile, int sourceline);
+
+    /* Some initial memory type probes */
+    probe object__create(VALUE obj, char *classname, char *sourcefile, int sourceline);
+    probe object__free(VALUE obj);
+
+    /* VM proves */
+    probe insn__entry(char *insnname, VALUE *operands, char *sourcefile, int sourceline);
+    probe insn__return(char *insnname, VALUE *operands, char *sourcefile, int sourceline);
+
+    probe ruby__probe(char *name, char *data);
+};
+
+#pragma D attributes Evolving/Evolving/Common provider ruby provider 
+#pragma D attributes Private/Private/Unknown provider ruby module 
+#pragma D attributes Private/Private/Unknown provider ruby function 
+#pragma D attributes Evolving/Evolving/Unknown provider ruby name 
+#pragma D attributes Evolving/Evolving/Unknown provider ruby args 
+