windows: add tracing with performance counters

Patch by Henry Rawas and Scott Blomquist.

1 files changed, 55 insertions, 0 deletions

diff --git a/src/node_win32_perfctr_provider.h b/src/node_win32_perfctr_provider.h
new file mode 100644
index 0000000000..1b16a3fec8
--- /dev/null
+++ b/src/node_win32_perfctr_provider.h
@@ -0,0 +1,55 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef SRC_WINPERFCTRS_H_
+#define SRC_WINPERFCTRS_H_
+
+#if defined(_MSC_VER)
+# define INLINE __forceinline
+#else
+# define INLINE inline
+#endif
+
+namespace node {
+
+extern HANDLE NodeCounterProvider;
+
+INLINE bool NODE_COUNTER_ENABLED() { return NodeCounterProvider != NULL; }
+void NODE_COUNT_HTTP_SERVER_REQUEST();
+void NODE_COUNT_HTTP_SERVER_RESPONSE();
+void NODE_COUNT_HTTP_CLIENT_REQUEST();
+void NODE_COUNT_HTTP_CLIENT_RESPONSE();
+void NODE_COUNT_SERVER_CONN_OPEN();
+void NODE_COUNT_SERVER_CONN_CLOSE();
+void NODE_COUNT_NET_BYTES_SENT(int bytes);
+void NODE_COUNT_NET_BYTES_RECV(int bytes);
+uint64_t NODE_COUNT_GET_GC_RAWTIME();
+void NODE_COUNT_GC_PERCENTTIME(unsigned int percent);
+void NODE_COUNT_PIPE_BYTES_SENT(int bytes);
+void NODE_COUNT_PIPE_BYTES_RECV(int bytes);
+
+void InitPerfCountersWin32();
+void TermPerfCountersWin32();
+
+}
+
+#endif
+