CI: add Rust SDK checks

Only FYI and don't prevent CI from being green.

Fixes: #3497

Author: dreveman

.github/workflows/analyze.yml

@@ -118,6 +118,13 @@ jobs:
     needs: analyze
     uses: ./.github/workflows/repo-checks.yml
 
+  rust-sdk:
+    needs: analyze
+    if:
+      needs.analyze.outputs.UI_ONLY_CHANGE == '0' &&
+      needs.analyze.outputs.TRIVIAL_CHANGE == '0'
+    uses: ./.github/workflows/rust-sdk-tests.yml
+
   # This final step joins the results of the nested workflows and succeeds if
   # all the non-skipped workflows have suceeded. This job is used by the
   # "require CI to pass" GitHub ruleset.
@@ -130,6 +137,7 @@ jobs:
       - bazel
       - fuzzer
       - repo-checks
+      - rust-sdk
     if: always()
     runs-on: ubuntu-latest
     steps:
@@ -144,9 +152,17 @@ jobs:
               exit 1
             fi
           }
+          warn() {
+            job="$1"
+            result="$2"
+            if [ "$result" != "success" ] && [ "$result" != "skipped" ]; then
+              echo "::warning::$job failed with result: $result"
+            fi
+          }
           check linux ${{ needs.linux.result }}
           check android ${{ needs.android.result }}
           check ui ${{ needs.ui.result }}
           check bazel ${{ needs.bazel.result }}
           check fuzzer ${{ needs.fuzzer.result }}
           check repo-checks ${{ needs.repo-checks.result }}
+          warn rust-sdk ${{ needs.rust-sdk.result }}

.github/workflows/rust-sdk-tests.yml

@@ -0,0 +1,92 @@
+# Copyright (C) 2025 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This workflow is triggered by analyze.yml
+name: Perfetto Rust SDK CI
+
+on:
+  workflow_call:
+
+permissions:
+  pull-requests: read
+
+env:
+  # Pinned nightly version that receives extra testing by SDK maintainers.
+  NIGHTLY_VERSION: "nightly-2025-01-03"
+  NIGHTLY_FEATURES: "--features=intrinsics"
+
+jobs:
+  build-test:
+    name: Rust ${{ matrix.name }}
+    runs-on: self-hosted
+    timeout-minutes: 20
+
+    strategy:
+      matrix:
+        include:
+          - name: stable
+            toolchain: stable
+            features: ""
+          - name: nightly
+            toolchain: $NIGHTLY_VERSION
+            features: $NIGHTLY_FEATURES
+    steps:
+      - name: Checkout source
+        uses: actions/checkout@v4
+
+      - name: Install Rust (${{ matrix.name }})
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          toolchain: ${{ matrix.toolchain }}
+          components: clippy
+
+      - name: Show Rust version
+        run: rustc --version && cargo --version
+
+      - name: Install build dependencies
+        uses: ./.github/actions/install-build-deps
+        with:
+          install-flags: --no-dev-tools
+
+      - name: Generate amalgamated shared library sources
+        shell: bash
+        run: tools/gen_amalgamated --gn_args "is_debug=false is_clang=true use_custom_libcxx=false enable_perfetto_ipc=true perfetto_enable_git_rev_version_header=true is_perfetto_build_generator=true enable_perfetto_zlib=false" --output contrib/rust-sdk/perfetto-sys/libperfetto_c/perfetto_c //src/shared_lib:libperfetto_c
+
+      - name: Build (${{ matrix.name }})
+        run: cargo build --manifest-path=contrib/rust-sdk/Cargo.toml --verbose ${{ matrix.features }}
+
+      - name: Run tests (${{ matrix.name }})
+        run: cargo test --manifest-path=contrib/rust-sdk/Cargo.toml --verbose ${{ matrix.features }}
+
+      - name: Run clippy (${{ matrix.name }})
+        run: cargo clippy --manifest-path=contrib/rust-sdk/Cargo.toml --all-targets ${{ matrix.features }} -- -D warnings
+
+  fmt:
+    name: Rust format (nightly)
+    runs-on: self-hosted
+    timeout-minutes: 10
+
+    steps:
+      - name: Checkout source
+        uses: actions/checkout@v4
+
+      - name: Install Rust (nightly)
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          # Use pinned nightly version to prevent correct format from changing over time.
+          toolchain: $NIGHTLY_VERSION
+          components: rustfmt
+
+      - name: Check format of source
+        run: cargo fmt --manifest-path=contrib/rust-sdk/Cargo.toml -- --check

contrib/rust-sdk/README.md

@@ -31,7 +31,7 @@ This workspace consists of three crates:
 - **Protozero integration** — auto-generated Rust code from Perfetto `.proto` files via a protoc plugin.
 - **Vendored or system builds** — link against a bundled `perfetto_c` library or use an external one.
 - **FFI isolation** — `perfetto-sys` is the only crate exposing an API with `unsafe` code.
-- **Cross-platform support** — Linux and macOS are tested.
+- **Cross-platform support** — Linux support is tested using CI.
 
 ---