From c3659d316dff53a1b7556ebfb4fbfa347abb7759 Mon Sep 17 00:00:00 2001
From: Rodrigo Arias Mallo <rodrigo.arias@bsc.es>
Date: Thu, 15 Oct 2020 18:50:34 +0200
Subject: [PATCH] Add perf stage

---
 garlic/stages/perf.nix | 30 ++++++++++++++++++++++++++++++
 overlay.nix            |  1 +
 2 files changed, 31 insertions(+)
 create mode 100644 garlic/stages/perf.nix

diff --git a/garlic/stages/perf.nix b/garlic/stages/perf.nix
new file mode 100644
index 0000000..cbbe937
--- /dev/null
+++ b/garlic/stages/perf.nix
@@ -0,0 +1,30 @@
+{
+  stdenv
+, perf
+, garlicTools
+}:
+
+{
+  nextStage
+, perfOptions
+}:
+
+with garlicTools;
+
+let
+  program = stageProgram nextStage;
+in
+  stdenv.mkDerivation {
+    name = "perf";
+    phases = [ "installPhase" ];
+    preferLocalBuild = true;
+    dontPatchShebangs = true;
+    installPhase = ''
+      cat > $out <<EOF
+      #!/bin/sh
+      
+      exec ${perf}/bin/perf ${perfOptions} ${program}
+      EOF
+      chmod +x $out
+    '';
+  }
diff --git a/overlay.nix b/overlay.nix
index be660c5..da52829 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -244,6 +244,7 @@ let
         exec       = callPackage ./garlic/stages/exec.nix { };
         extrae     = callPackage ./garlic/stages/extrae.nix { };
         valgrind   = callPackage ./garlic/stages/valgrind.nix { };
+        perf       = callPackage ./garlic/stages/perf.nix { };
         isolate    = callPackage ./garlic/stages/isolate { };
         runexp     = callPackage ./garlic/stages/runexp { };
         trebuchet  = callPackage ./garlic/stages/trebuchet.nix { };