复制项目

tools/ncpu/main.go

@@ -0,0 +1,32 @@
+// Copyright © 2024 OpenIM. All rights reserved.
+//
+// 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.
+
+package main
+
+import (
+	"fmt"
+	"runtime"
+
+	"go.uber.org/automaxprocs/maxprocs"
+)
+
+func main() {
+	// Set maxprocs with a custom logger that does nothing to ignore logs.
+	maxprocs.Set(maxprocs.Logger(func(string, ...interface{}) {
+		// Intentionally left blank to suppress all log output from automaxprocs.
+	}))
+
+	// Now this will print the GOMAXPROCS value without printing the automaxprocs log message.
+	fmt.Println(runtime.GOMAXPROCS(0))
+}