Integrate Tracy with NR UE

This commit enables the optional use of Tracy for profiling NR UE. See https://github.com/wolfpld/tracy/releases/tag/v0.11.1 for details.

How to compile: use -DENABLE_TRACY=ON to enable instrumentation.

How to collect data:

• Windows hosts: tracy-profiler.exe in link above
• Linux hosts: Compile tracy-profiler from source

Enabling collection from docker:

• open port 8086
• to collect cpu data --privileged --mount "type=bind,source=/sys/kernel/debug,target=/sys/kernel/debug,readonly" --user 0:0 --pid=host

How to add instrumentation:

• See examples in this commit or manual in the link above.

common/CMakeLists.txt

@@ -2,3 +2,9 @@ add_subdirectory(utils)
 add_subdirectory(config/yaml)
 
 configure_file(oai_version.h.in oai_version.h @ONLY)
+
+add_library(instrumentation INTERFACE instrumentation.h)
+target_include_directories(instrumentation INTERFACE .)
+if (TRACY_ENABLE)
+  target_link_libraries(instrumentation INTERFACE Tracy::TracyClient)
+endif()