SWDEV-249924 : hip correlation id explicite propogation; tracer debug instrumentation;

Change-Id: Ibbc411541f5610ce739f3fc1efa1ab7f605220f5

initial commmit

Change-Id: I34b360be62c2083819dc5c3acc8268bd69f2f58a

src/util/logger.h

@@ -100,10 +100,10 @@ class Logger {
     return *obj;
   }
 
- private:
   static uint32_t GetPid() { return syscall(__NR_getpid); }
   static uint32_t GetTid() { return syscall(__NR_gettid); }
 
+ private:
   Logger() : file_(NULL), dirty_(false), streaming_(false), messaging_(false) {
     const char* path = getenv("ROCTRACER_LOG");
     if (path != NULL) {
@@ -198,4 +198,20 @@ class Logger {
   } while(0)
 #endif
 
+#if DEBUG_TRACE_ON
+inline static void DEBUG_TRACE(const char* fmt, ...) {
+  constexpr int size = 256;
+  char buf[size];
+
+  va_list valist;
+  va_start(valist, fmt);
+  vsnprintf(buf, size, fmt, valist);
+  printf("%u:%u %s",
+    roctracer::util::Logger::GetPid(), roctracer::util::Logger::GetTid(), buf); fflush(stdout);
+  va_end(valist);
+}
+#else
+inline static void DEBUG_TRACE(const char* fmt, ...) {}
+#endif
+
 #endif  // SRC_UTIL_LOGGER_H_