nodejs
diff --git a/‎.github/workflows/test-shared.yml‎
Lines changed: 4 additions & 1 deletion b/‎.github/workflows/test-shared.yml‎
Lines changed: 4 additions & 1 deletion
diff --git a/‎shell.nix‎
Lines changed: 3 additions & 1 deletion b/‎shell.nix‎
Lines changed: 3 additions & 1 deletion
diff --git a/‎tools/nix/v8.nix‎
Lines changed: 3 additions & 0 deletions b/‎tools/nix/v8.nix‎
Lines changed: 3 additions & 0 deletions
@@ -141,20 +141,23 @@ jobs:
         include:
           - runner: ubuntu-24.04
             system: x86_64-linux
+            # Exercise the trace-event code against a perfetto-enabled V8.
+            perfetto: true
           # built separately in build-aarch64-linux-v8
           # - runner: ubuntu-24.04-arm
           #   system: aarch64-linux
           - runner: macos-15-intel
             system: x86_64-darwin
           - runner: macos-latest
             system: aarch64-darwin
-    name: '${{ matrix.system }}: with shared libraries'
+    name: '${{ matrix.system }}: with shared libraries${{ matrix.perfetto && '' and perfetto'' || '''' }}'
     uses: ./.github/workflows/build-shared.yml
     with:
       runner: ${{ matrix.runner }}
       with-sccache: ${{ github.base_ref == 'main' || github.ref_name == 'main' }}
       extra-nix-flags: |
         --arg useSeparateDerivationForV8 true \
+        ${{ matrix.perfetto && '--arg withPerfetto true \' || '\' }}
         ${{ endsWith(matrix.system, '-darwin') && '--arg withAmaro false --arg withLief false --arg withSQLite false --arg withFFI false --arg extraConfigFlags ''["--without-inspector" "--without-node-options"]'' \' || '\' }}
     secrets:
       CACHIX_AUTH_TOKEN: ${{ secrets.CACHIX_AUTH_TOKEN }}
 
@@ -19,6 +19,7 @@
   withFFI ? true,
   withSSL ? true,
   withTemporal ? false,
+  withPerfetto ? false,
   sharedLibDeps ? (
     import ./tools/nix/sharedLibDeps.nix {
       inherit
@@ -67,7 +68,8 @@ let
     )
     "--v8-${if withTemporal then "enable" else "disable"}-temporal-support"
   ]
-  ++ pkgs.lib.optional (withTemporal && useSharedTemporal) "--shared-temporal_capi";
+  ++ pkgs.lib.optional (withTemporal && useSharedTemporal) "--shared-temporal_capi"
+  ++ pkgs.lib.optional withPerfetto "--with-perfetto";
 in
 pkgs.mkShell {
   inherit nativeBuildInputs;
 
@@ -44,6 +44,9 @@ let
         ../../tools/v8_gypfiles/toolchain.gypi
         ../../tools/v8_gypfiles/v8.gyp
       ]
+      ++ lib.optionals (builtins.elem "--with-perfetto" configureFlags) [
+        ../../deps/perfetto
+      ]
       ++ lib.optionals (icu != null) [
         ../../tools/icu/icu_versions.json
         ../../tools/icu/icu-system.gyp