diff --git a/clang/test/ClangScanDeps/print-timing.c b/clang/test/ClangScanDeps/print-timing.c
new file mode 100644
--- /dev/null
+++ b/clang/test/ClangScanDeps/print-timing.c
@@ -0,0 +1,9 @@
+// RUN: rm -rf %t && mkdir %t
+// RUN: split-file %s %t
+
+// RUN: clang-scan-deps -compilation-database %t/cdb.json -print-timing > %t/result.json 2>%t/errs
+// RUN: cat %t/errs | FileCheck %s
+// CHECK: clang-scan-deps timing: {{[0-9]+}}.{{[0-9][0-9]}}s wall, {{[0-9]+}}.{{[0-9][0-9]}}s process
+
+//--- cdb.json
+[]
diff --git a/clang/tools/clang-scan-deps/ClangScanDeps.cpp b/clang/tools/clang-scan-deps/ClangScanDeps.cpp
--- a/clang/tools/clang-scan-deps/ClangScanDeps.cpp
+++ b/clang/tools/clang-scan-deps/ClangScanDeps.cpp
@@ -19,12 +19,14 @@
 #include "llvm/ADT/Twine.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/FileUtilities.h"
+#include "llvm/Support/Format.h"
 #include "llvm/Support/InitLLVM.h"
 #include "llvm/Support/JSON.h"
 #include "llvm/Support/Program.h"
 #include "llvm/Support/Signals.h"
 #include "llvm/Support/ThreadPool.h"
 #include "llvm/Support/Threading.h"
+#include "llvm/Support/Timer.h"
 #include "llvm/TargetParser/Host.h"
 #include <mutex>
 #include <optional>
@@ -189,6 +191,11 @@
     llvm::cl::desc("The names of dependency targets for the dependency file"),
     llvm::cl::cat(DependencyScannerCategory));
 
+static llvm::cl::opt<bool>
+    PrintTiming("print-timing", llvm::cl::desc("Print timing information"),
+                llvm::cl::init(false),
+                llvm::cl::cat(DependencyScannerCategory));
+
 enum ResourceDirRecipeKind {
   RDRK_ModifyCompilerPath,
   RDRK_InvokeCompiler,
@@ -800,6 +807,10 @@
     llvm::outs() << "Running clang-scan-deps on " << Inputs.size()
                  << " files using " << Pool.getThreadCount() << " workers\n";
   }
+
+  llvm::Timer T;
+  T.startTimer();
+
   for (unsigned I = 0; I < Pool.getThreadCount(); ++I) {
     Pool.async([&, I]() {
       llvm::StringSet<> AlreadySeenModules;
@@ -889,6 +900,12 @@
   }
   Pool.wait();
 
+  T.stopTimer();
+  if (PrintTiming)
+    llvm::errs() << llvm::format(
+        "clang-scan-deps timing: %0.2fs wall, %0.2fs process\n",
+        T.getTotalTime().getWallTime(), T.getTotalTime().getProcessTime());
+
   if (RoundTripArgs)
     if (FD && FD->roundTripCommands(llvm::errs()))
       HadErrors = true;