diff --git a/llvm/utils/gn/secondary/lldb/source/Plugins/Process/Linux/BUILD.gn b/llvm/utils/gn/secondary/lldb/source/Plugins/Process/Linux/BUILD.gn
index cd85c7ceb08f..62ed111c472f 100644
--- a/llvm/utils/gn/secondary/lldb/source/Plugins/Process/Linux/BUILD.gn
+++ b/llvm/utils/gn/secondary/lldb/source/Plugins/Process/Linux/BUILD.gn
@@ -16,7 +16,9 @@ static_library("Linux") {
   include_dirs = [ "//lldb/source" ]
   sources = [
     "IntelPTCollector.cpp",
+    "IntelPTPerThreadProcessTrace.cpp",
     "IntelPTSingleBufferTrace.cpp",
+    "IntelPTThreadTraceCollection.cpp",
     "NativeProcessLinux.cpp",
     "NativeRegisterContextLinux.cpp",
     "NativeRegisterContextLinux_arm.cpp",