checkpoint

1 files changed, 45 insertions, 0 deletions

diff --git a/linux_profile.h b/linux_profile.h
new file mode 100644
index 0000000..d36c859
--- /dev/null
+++ b/linux_profile.h
@@ -0,0 +1,45 @@
+/* date = June 17th 2025 3:06 pm */
+
+#ifndef LINUX_PROFILE_H
+#define LINUX_PROFILE_H
+
+#if HANDMADE_PROFILING
+
+#include "handmade_platform.h"
+
+#include "spall.h"
+global_variable SpallProfile spall_ctx;
+global_variable SpallBuffer spall_buffer;
+global_variable char SpallNumberBuffer[9];
+
+#define PROFILE_START_LABEL(Label) \
+spall_buffer_begin(&spall_ctx, &spall_buffer, Label, strlen(Label), LinuxGetWallClockMSec())
+#define PROFILE_START_LINE sprintf(SpallNumberBuffer, "%d", __LINE__); \
+PROFILE_START_LABEL(SpallNumberBuffer)
+#define PROFILE_START_FUNCTION PROFILE_START_LABEL(__FUNCTION__)
+#define PROFILE_START PROFILE_START_LINE
+#define PROFILE_END spall_buffer_end(&spall_ctx, &spall_buffer, LinuxGetWallClockMSec());
+
+typedef struct timespec platform_get_wall_clock(void);
+
+global_variable platform_get_wall_clock *PlatformGetWallClock;
+timespec LinuxGetWallClock(void);
+
+internal 
+r64 LinuxGetWallClockMSec(void)
+{
+	r64 Result = 0;
+    timespec Spec = PlatformGetWallClock();
+    Result = (((r64)Spec.tv_sec) * 1000000) + (((r64)Spec.tv_nsec) / 1000);
+    return Result;
+}
+
+#else
+#define PROFILE_START
+#define PROFILE_START_LABEL(Name)
+#define PROFILE_START_LINE
+#define PROFILE_START_FUNCTION
+#define PROFILE_END
+#endif
+
+#endif //LINUX_PROFILE_H