src: remove unused dtrace probes

Removed DTRACE_NET_SOCKET_READ and DTRACE_NET_SOCKET_WRITE
as they were never called from within the source code.

PR-URL: https://github.com/iojs/io.js/pull/694
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

src/node.stp

@@ -24,36 +24,6 @@ probe node_net_stream_end = process("node").mark("net__stream__end")
     fd);
 }
 
-probe node_net_socket_write = process("node").mark("net__socket__write")
-{
-  bytes = $arg2;
-  remote = user_string($arg3);
-  port = $arg4;
-  fd = $arg5;
-
-  probestr = sprintf("%s(bytes=%d, remote=%s, port=%d, fd=%d)",
-    $$name,
-    bytes,
-    remote,
-    port,
-    fd);
-}
-
-probe node_net_socket_read = process("node").mark("net__socket__read")
-{
-  bytes = $arg2;
-  remote = user_string($arg3);
-  port = $arg4;
-  fd = $arg5;
-
-  probestr = sprintf("%s(bytes=%d, remote=%s, port=%d, fd=%d)",
-    $$name,
-    bytes,
-    remote,
-    port,
-    fd);
-}
-
 probe node_http_server_request = process("node").mark("http__server__request")
 {
   remote = user_string($arg3);

src/node_dtrace.cc

@@ -22,10 +22,6 @@
 #define NODE_NET_SERVER_CONNECTION_ENABLED() (0)
 #define NODE_NET_STREAM_END(arg0)
 #define NODE_NET_STREAM_END_ENABLED() (0)
-#define NODE_NET_SOCKET_READ(arg0, arg1, arg2, arg3, arg4)
-#define NODE_NET_SOCKET_READ_ENABLED() (0)
-#define NODE_NET_SOCKET_WRITE(arg0, arg1, arg2, arg3, arg4)
-#define NODE_NET_SOCKET_WRITE_ENABLED() (0)
 #define NODE_GC_START(arg0, arg1, arg2)
 #define NODE_GC_DONE(arg0, arg1, arg2)
 #endif
@@ -139,37 +135,6 @@ void DTRACE_NET_STREAM_END(const FunctionCallbackInfo<Value>& args) {
   NODE_NET_STREAM_END(&conn, conn.remote, conn.port, conn.fd);
 }
 
-
-void DTRACE_NET_SOCKET_READ(const FunctionCallbackInfo<Value>& args) {
-  if (!NODE_NET_SOCKET_READ_ENABLED())
-    return;
-  Environment* env = Environment::GetCurrent(args);
-  SLURP_CONNECTION(args[0], conn);
-
-  if (!args[1]->IsNumber()) {
-    return env->ThrowError("expected argument 1 to be number of bytes");
-  }
-
-  int nbytes = args[1]->Int32Value();
-  NODE_NET_SOCKET_READ(&conn, nbytes, conn.remote, conn.port, conn.fd);
-}
-
-
-void DTRACE_NET_SOCKET_WRITE(const FunctionCallbackInfo<Value>& args) {
-  if (!NODE_NET_SOCKET_WRITE_ENABLED())
-    return;
-  Environment* env = Environment::GetCurrent(args);
-  SLURP_CONNECTION(args[0], conn);
-
-  if (!args[1]->IsNumber()) {
-    return env->ThrowError("expected argument 1 to be number of bytes");
-  }
-
-  int nbytes = args[1]->Int32Value();
-  NODE_NET_SOCKET_WRITE(&conn, nbytes, conn.remote, conn.port, conn.fd);
-}
-
-
 void DTRACE_HTTP_SERVER_REQUEST(const FunctionCallbackInfo<Value>& args) {
   node_dtrace_http_server_request_t req;
 
@@ -286,8 +251,6 @@ void InitDTrace(Environment* env, Handle<Object> target) {
 #define NODE_PROBE(name) #name, name
     { NODE_PROBE(DTRACE_NET_SERVER_CONNECTION) },
     { NODE_PROBE(DTRACE_NET_STREAM_END) },
-    { NODE_PROBE(DTRACE_NET_SOCKET_READ) },
-    { NODE_PROBE(DTRACE_NET_SOCKET_WRITE) },
     { NODE_PROBE(DTRACE_HTTP_SERVER_REQUEST) },
     { NODE_PROBE(DTRACE_HTTP_SERVER_RESPONSE) },
     { NODE_PROBE(DTRACE_HTTP_CLIENT_REQUEST) },

src/node_provider.d

@@ -57,12 +57,6 @@ provider node {
       int fd);
 	probe net__stream__end(node_dtrace_connection_t *c, const char *a,
 	    int p, int fd) : (node_connection_t *c, string a, int p, int fd);
-	probe net__socket__read(node_dtrace_connection_t *c, int b,
-	    const char *a, int p, int fd) : (node_connection_t *c, int b, string a,
-      int p, int fd);
-	probe net__socket__write(node_dtrace_connection_t *c, int b,
-	    const char *a, int p, int fd) : (node_connection_t *c, int b, string a,
-      int p, int fd);
 	probe http__server__request(node_dtrace_http_server_request_t *h,
 	    node_dtrace_connection_t *c, const char *a, int p, const char *m,
 	    const char *u, int fd) : (node_http_request_t *h, node_connection_t *c,

src/node_win32_etw_provider.h

@@ -67,13 +67,8 @@ INLINE bool NODE_HTTP_CLIENT_REQUEST_ENABLED();
 INLINE bool NODE_HTTP_CLIENT_RESPONSE_ENABLED();
 INLINE bool NODE_NET_SERVER_CONNECTION_ENABLED();
 INLINE bool NODE_NET_STREAM_END_ENABLED();
-INLINE bool NODE_NET_SOCKET_READ_ENABLED();
-INLINE bool NODE_NET_SOCKET_WRITE_ENABLED();
 INLINE bool NODE_V8SYMBOL_ENABLED();
 
-#define NODE_NET_SOCKET_READ(...)  /* no-op */
-#define NODE_NET_SOCKET_WRITE(...) /* no-op */
-
 }  // namespace node
 
 #endif  // SRC_NODE_WIN32_ETW_PROVIDER_H_

src/notrace_macros.py

@@ -7,5 +7,3 @@ macro DTRACE_HTTP_SERVER_REQUEST(x) = ;
 macro DTRACE_HTTP_SERVER_RESPONSE(x) = ;
 macro DTRACE_NET_SERVER_CONNECTION(x) = ;
 macro DTRACE_NET_STREAM_END(x) = ;
-macro DTRACE_NET_SOCKET_READ(x) = ;
-macro DTRACE_NET_SOCKET_WRITE(x) = ;

test/common.js

@@ -141,8 +141,6 @@ if (global.DTRACE_HTTP_SERVER_RESPONSE) {
   knownGlobals.push(DTRACE_HTTP_CLIENT_REQUEST);
   knownGlobals.push(DTRACE_NET_STREAM_END);
   knownGlobals.push(DTRACE_NET_SERVER_CONNECTION);
-  knownGlobals.push(DTRACE_NET_SOCKET_READ);
-  knownGlobals.push(DTRACE_NET_SOCKET_WRITE);
 }
 
 if (global.COUNTER_NET_SERVER_CONNECTION) {