core: set thread name for tracy (#4076)

CMakeLists.txt

@@ -917,6 +917,7 @@ list(APPEND SRC_FILES
     ${PROJECT_SOURCE_DIR}/src/mbgl/util/i18n.cpp
     ${PROJECT_SOURCE_DIR}/src/mbgl/util/i18n.hpp
     ${PROJECT_SOURCE_DIR}/src/mbgl/util/identity.cpp
+    ${PROJECT_SOURCE_DIR}/src/mbgl/util/instrumentation.cpp
     ${PROJECT_SOURCE_DIR}/src/mbgl/util/interpolate.cpp
     ${PROJECT_SOURCE_DIR}/src/mbgl/util/intersection_tests.cpp
     ${PROJECT_SOURCE_DIR}/src/mbgl/util/intersection_tests.hpp

bazel/core.bzl

@@ -549,6 +549,7 @@ MLN_CORE_SOURCE = [
     "src/mbgl/util/i18n.cpp",
     "src/mbgl/util/i18n.hpp",
     "src/mbgl/util/identity.cpp",
+    "src/mbgl/util/instrumentation.cpp",
     "src/mbgl/util/interpolate.cpp",
     "src/mbgl/util/intersection_tests.cpp",
     "src/mbgl/util/intersection_tests.hpp",

include/mbgl/util/instrumentation.hpp

@@ -1,5 +1,7 @@
 #pragma once
 
+#include <string>
+
 #ifdef MLN_TRACY_ENABLE
 
 #include <tracy/Tracy.hpp>
@@ -128,3 +130,7 @@ constexpr const char* tracyConstMemoryLabel = "Constant Buffer Memory";
 #define MLN_TRACE_ZONE(label) ((void)0)
 
 #endif // MLN_TRACY_ENABLE
+
+namespace mbgl::instrumentation {
+void setThreadName(const std::string& name);
+};

include/mbgl/util/thread.hpp

@@ -7,12 +7,11 @@
 #include <mbgl/util/platform.hpp>
 #include <mbgl/util/run_loop.hpp>
 #include <mbgl/util/util.hpp>
+#include <mbgl/util/instrumentation.hpp>
 
 #include <cassert>
 #include <future>
 #include <memory>
-#include <mutex>
-#include <queue>
 #include <string>
 #include <thread>
 #include <utility>
@@ -51,6 +50,8 @@ public:
                               runningPromise = std::move(running_),
                               prioritySetter = std::move(prioritySetter_)]() mutable {
             platform::setCurrentThreadName(name);
+            instrumentation::setThreadName(name);
+
             if (prioritySetter) prioritySetter();
             platform::attachThread();
 

src/mbgl/util/instrumentation.cpp

@@ -0,0 +1,11 @@
+#include <mbgl/util/instrumentation.hpp>
+
+namespace mbgl::instrumentation {
+
+void setThreadName([[maybe_unused]] const std::string &name) {
+#ifdef MLN_TRACY_ENABLE
+    tracy::SetThreadName(name.c_str());
+#endif
+}
+
+}; // namespace mbgl::instrumentation