Profiling tools

.gitignore

@@ -44,3 +44,6 @@ Cargo.lock
 !/Cargo.lock
 
 stress-test/passthrough-dna.dna.json
+FlameGraph
+*.svg
+perf.data*

default.nix

@@ -73,6 +73,11 @@ with holonix.pkgs;
     config = config;
    }).buildInputs
 
+    ++ (holonix.pkgs.callPackage ./profiling {
+    pkgs = holonix.pkgs;
+    config = config;
+   }).buildInputs
+
    ++ (holonix.pkgs.callPackage ./docker {
      pkgs = holonix.pkgs;
    }).buildInputs

profiling/default.nix

@@ -0,0 +1,21 @@
+{ pkgs,config }:
+let
+ name = "hc-sim2h-server-perf";
+  script-sim2h-server-perf = pkgs.writeShellScriptBin name
+  ''
+  cd crates/sim2h_server && cargo build -p sim2h_server --release && perf record --call-graph dwarf sim2h_server "$@"
+  '';
+
+  script-hc-conductor-perf = pkgs.writeShellScriptBin "hc-conductor-perf"
+  ''
+  cd crates/holochain && cargo build -p holochain --release && perf record --call-graph dwarf holochain
+  '';
+
+  script-hc-generate-flame-graph = pkgs.writeShellScriptBin "hc-generate-flame-graph"
+  ''
+  perf script | stackcollapse.pl | flamegraph.pl > generated-graph.svg
+  '';
+in
+{
+  buildInputs = [ script-sim2h-server-perf script-hc-generate-flame-graph script-hc-conductor-perf];
+}