add benchmark pipeline

Author: jianzhangbjz

.github/workflows/benchmark.yaml

@@ -0,0 +1,40 @@
+name: Benchmark Test
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  benchmark:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Install Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+
+      - name: Install dependencies
+        run: |
+          go mod download
+
+      - name: Run benchmark
+        working-directory: test/e2e
+        run: |
+            pwd
+            ls -la
+            go version
+            go env
+            go clean -testcache
+            go test -v -run=^$ -bench=. -benchmem -count=10 
+
+      - name: Compare with baseline
+        run: |
+          go install golang.org/x/perf/cmd/benchstat@latest
+          benchstat benchmarks/baseline.txt new.txt
+          

benchmarks/baseline.txt

@@ -0,0 +1,16 @@
+goos: darwin
+goarch: arm64
+pkg: github.com/operator-framework/operator-controller/test/e2e
+cpu: Apple M1 Pro
+BenchmarkCreateClusterCatalog-10    	       1	1352852042 ns/op	  404520 B/op	    3914 allocs/op
+BenchmarkCreateClusterCatalog-10    	      13	  86982353 ns/op	   36907 B/op	     394 allocs/op
+BenchmarkCreateClusterCatalog-10    	      12	  84962496 ns/op	   34555 B/op	     393 allocs/op
+BenchmarkCreateClusterCatalog-10    	      18	  70375363 ns/op	   34880 B/op	     388 allocs/op
+BenchmarkCreateClusterCatalog-10    	      15	  71715708 ns/op	   37654 B/op	     399 allocs/op
+BenchmarkCreateClusterCatalog-10    	      13	  85251170 ns/op	   36572 B/op	     396 allocs/op
+BenchmarkCreateClusterCatalog-10    	      13	  83413260 ns/op	   38435 B/op	     393 allocs/op
+BenchmarkCreateClusterCatalog-10    	      13	  93851487 ns/op	   37249 B/op	     395 allocs/op
+BenchmarkCreateClusterCatalog-10    	      13	  78722212 ns/op	   36593 B/op	     393 allocs/op
+BenchmarkCreateClusterCatalog-10    	      13	  86393522 ns/op	   37404 B/op	     395 allocs/op
+PASS
+ok  	github.com/operator-framework/operator-controller/test/e2e	32.699s