diff --git a/pkgs/development/tools/misc/rtss/default.nix b/pkgs/development/tools/misc/rtss/default.nix
new file mode 100644
index 00000000000..505e6d23ef7
--- /dev/null
+++ b/pkgs/development/tools/misc/rtss/default.nix
@@ -0,0 +1,22 @@
+{ lib, fetchFromGitHub, rustPlatform }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "rtss";
+  version = "0.6.1";
+
+  src = fetchFromGitHub {
+    owner = "Freaky";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "1936w161mkbcwicrxn51b42pgir5yjiw85s74lbfq70nddw18nyn";
+  };
+
+  cargoSha256 = "0nll5gg7fjh6sz3cscarknb0gaivmzkcxhwdb2li47r74rcbrj36";
+
+  meta = with lib; {
+    description = "Annotate output with relative durations between lines";
+    homepage = "https://github.com/Freaky/rtss";
+    license = licenses.mit;
+    maintainers = with maintainers; [ djanatyn ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ab17e230035..6d0008f0519 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6970,6 +6970,8 @@ in
 
   rtptools = callPackage ../tools/networking/rtptools { };
 
+  rtss = callPackage ../development/tools/misc/rtss { };
+
   reaverwps = callPackage ../tools/networking/reaver-wps {};
 
   reaverwps-t6x = callPackage ../tools/networking/reaver-wps-t6x {};