Support macos walltime without profiling in codspeed-cpp

.github/workflows/ci.yml

@@ -50,7 +50,7 @@ jobs:
           make -j
 
       - name: Run tests
-        run: | 
+        run: |
           cd core/build-tests
           GTEST_OUTPUT=json:test-results/ ctest
 
@@ -133,7 +133,7 @@ jobs:
       - name: Build benchmark example
         run: |
           bazel build //examples/google_benchmark_bazel:my_benchmark --@codspeed_core//:codspeed_mode=${{ matrix.codspeed-mode }} --@codspeed_core//:strict_warnings=on
-  
+
       - name: Run the benchmarks
         uses: CodSpeedHQ/action@main
         if: matrix.codspeed-mode != 'off'
@@ -207,3 +207,59 @@ jobs:
       - name: Build benchmark example
         run: |
           bazel build //examples/google_benchmark_bazel:my_benchmark --@codspeed_core//:codspeed_mode=${{ matrix.codspeed-mode }} --@codspeed_core//:strict_warnings=on
+
+  macos-walltime-cmake-test:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: "recursive"
+
+      - name: Build benchmark example
+        run: |
+          mkdir -p examples/google_benchmark_cmake/build
+          cd examples/google_benchmark_cmake/build
+          cmake -DCODSPEED_MODE=walltime ..
+          make -j
+
+      - name: Run the benchmarks
+        uses: CodSpeedHQ/action@main
+        env:
+          CODSPEED_SKIP_UPLOAD: "true"
+        with:
+          run: examples/google_benchmark_cmake/build/benchmark_example --benchmark_filter=Fibo
+          mode: walltime
+          # TODO: Drop this
+          runner-version: branch:cod-2459-be-able-to-run-all-integrations-on-macos
+
+  macos-walltime-bazel-test:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: "recursive"
+
+      - name: Set up Bazel
+        uses: bazel-contrib/setup-bazel@0.14.0
+        with:
+          bazelisk-cache: true
+          disk-cache: ${{ github.workflow }}
+          repository-cache: true
+
+      - name: Build benchmark example
+        run: |
+          bazel build //examples/google_benchmark_bazel:my_benchmark --@codspeed_core//:codspeed_mode=walltime --@codspeed_core//:strict_warnings=on
+
+      - name: Run the benchmarks
+        uses: CodSpeedHQ/action@main
+        env:
+          CODSPEED_SKIP_UPLOAD: "true"
+        with:
+          # Note: using bazel run directly fails with a permission error on `/var/tmp/_bazel_codspeed/`
+          # This is because bazel does not like the user switch between running `bazel build` as a user then running `bazel run` as sudo and refuses to run.
+          # For now, `$USER` remains the original user, but the program is ran with uid 0 with `sudo --preserve-env`
+          # This problem is temporary because the runner does not YET do the same uid/gid spoofing on macos as it does on linux.
+          run: ./bazel-bin/examples/google_benchmark_bazel/my_benchmark --benchmark_filter=Fibo
+          mode: walltime
+          # TODO: Drop this
+          runner-version: branch:cod-2459-be-able-to-run-all-integrations-on-macos

core/BUILD

@@ -8,6 +8,11 @@ config_setting(
     constraint_values = ["@platforms//os:windows"],
 )
 
+config_setting(
+    name = "macos",
+    constraint_values = ["@platforms//os:macos"],
+)
+
 # Strict warnings mode
 string_flag(
     name = "strict_warnings",
@@ -100,6 +105,9 @@ cc_library(
     copts = select({
         ":windows": ["/std:c++17"],
         "//conditions:default": ["-std=c++17"],
+    }) + select({
+        ":macos": ["-mmacosx-version-min=10.15"],
+        "//conditions:default": [],
     }),
     defines = [
         "CODSPEED_VERSION=\\\"{}\\\"".format(CODSPEED_VERSION),

core/CMakeLists.txt

@@ -15,7 +15,7 @@ include(FetchContent)
 FetchContent_Declare(
     instrument_hooks_repo
     GIT_REPOSITORY https://github.com/CodSpeedHQ/instrument-hooks
-    GIT_TAG 0c971823b17cb5a3bbd0cce4411cbee2c6fe4317
+    GIT_TAG 4376be3e1e2d0e0c82d690bcb8e54bde98b7805c
 )
 FetchContent_MakeAvailable(instrument_hooks_repo)
 FetchContent_GetProperties(instrument_hooks_repo)

core/include/measurement.hpp

@@ -65,7 +65,7 @@ ALWAYS_INLINE void measurement_stop() {
 }
 
 ALWAYS_INLINE void measurement_set_executed_benchmark(const std::string& name) {
-  auto current_pid = getpid();
+  auto current_pid = static_cast<uint32_t>(getpid());
   instrument_hooks_executed_benchmark(g_hooks, current_pid, name.c_str());
 }