Add CI workflow for benchmarking Cranelift backend

Author: Kobzol

.github/workflows/ci.yml

@@ -90,7 +90,6 @@ jobs:
       - name: Run unit tests
         run: cargo test --all
 
-
   test_benchmarks:
     strategy:
       matrix:
@@ -149,6 +148,40 @@ jobs:
           PROFILES: ${{ matrix.PROFILES }}
           SHELL: "/bin/bash"
 
+  test_backends:
+    name: Test codegen backend benchmarks
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout the source code
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 1
+
+      - name: Install latest beta
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: beta
+          override: true
+
+      - name: Configure environment
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y linux-tools-common linux-tools-generic linux-tools-`uname -r`
+          echo -1 | sudo tee /proc/sys/kernel/perf_event_paranoid
+
+      - uses: Swatinem/rust-cache@v2
+
+      - name: Build collector
+        run: cargo build -p collector
+
+      - name: Check compile benchmarks
+        run: sh -x -c "ci/check-compile-benchmarks.sh"
+        env:
+          BENCH_INCLUDE_EXCLUDE_OPTS: "--include helloworld"
+          PROFILES: Debug,Opt
+          BACKENDS: Cranelift
+          SHELL: "/bin/bash"
+
   test_runtime_benchmarks:
     name: Test runtime benchmarks
     runs-on: ubuntu-latest

ci/check-compile-benchmarks.sh

@@ -6,9 +6,11 @@ bash -c "while true; do sleep 30; echo \$(date) - running ...; done" &
 PING_LOOP_PID=$!
 trap 'kill $PING_LOOP_PID' ERR 1 2 3 6
 
+BACKENDS=${BACKENDS:-Llvm}
+
 # Install a toolchain.
 RUST_BACKTRACE=1 RUST_LOG=raw_cargo_messages=trace,collector=debug,rust_sysroot=debug \
-    bindir=`cargo run -p collector --bin collector install_next`
+    bindir=`cargo run -p collector --bin collector install_next --backends ${BACKENDS}`
 
 # Do some benchmarking.
 RUST_BACKTRACE=1 \
@@ -21,6 +23,7 @@ RUST_BACKTRACE=1 \
         --profiles $PROFILES \
         --cargo $bindir/cargo \
         --scenarios All \
+        --backends $BACKENDS \
         --rustdoc $bindir/rustdoc \
         $BENCH_INCLUDE_EXCLUDE_OPTS