feat: add instrument-hooks

Author: not-matthias

core/CMakeLists.txt

@@ -54,6 +54,7 @@ endif()
 add_library(
     codspeed
     src/codspeed.cpp
+    src/measurement.cpp
     src/walltime.cpp
     src/uri.cpp
     src/workspace.cpp

core/include/callgrind.h

@@ -4,25 +4,20 @@
 #include <string>
 #ifdef _WIN32
 #include <process.h>
+#define getpid _getpid
+#define ALWAYS_INLINE __forceinline
 #else
 #include <unistd.h>
-#endif
-
-#ifdef CODSPEED_INSTRUMENTATION
-#include "callgrind.h"
+#define ALWAYS_INLINE __attribute__((always_inline)) inline
 #endif
 
 extern "C" {
 #include "core.h"
 }
 
-static InstrumentHooks* g_hooks = nullptr;
+extern InstrumentHooks* g_hooks;
 
-inline void measurement_init() {
-  if (!g_hooks) {
-    g_hooks = instrument_hooks_init();
-  }
-}
+void measurement_init();
 
 inline std::string get_version() {
 #ifdef CODSPEED_VERSION
@@ -32,7 +27,6 @@ inline std::string get_version() {
 #endif
 }
 
-#ifdef CODSPEED_INSTRUMENTATION
 inline bool measurement_is_instrumented() {
   return instrument_hooks_is_instrumented(g_hooks);
 }
@@ -42,32 +36,17 @@ inline void measurement_set_metadata() {
   instrument_hooks_set_integration(g_hooks, "codspeed-cpp", version.c_str());
 }
 
-__attribute__((always_inline)) inline void measurement_start() {
+ALWAYS_INLINE void measurement_start() {
   instrument_hooks_start_benchmark_inline(g_hooks);
 }
 
-__attribute__((always_inline)) inline void measurement_stop() {
+ALWAYS_INLINE void measurement_stop() {
   instrument_hooks_stop_benchmark_inline(g_hooks);
 }
 
-__attribute__((always_inline)) inline void measurement_executed_benchmark(
-    const std::string& name) {
-#ifdef _WIN32
-  auto current_pid = _getpid();
-#else
+ALWAYS_INLINE void measurement_set_executed_benchmark(const std::string& name) {
   auto current_pid = getpid();
-#endif
   instrument_hooks_executed_benchmark(g_hooks, current_pid, name.c_str());
 }
-#else
-// Stub implementations for non-instrumentation builds
-inline bool measurement_is_instrumented() { return false; }
-inline void measurement_set_metadata() {}
-inline void measurement_start() {}
-inline void measurement_stop() {}
-inline void measurement_executed_benchmark(const std::string& name) {
-  (void)name;
-}
-#endif
 
 #endif  // MEASUREMENT_H