initial import

example/stat/Dockerfile

@@ -0,0 +1,8 @@
+FROM alpine
+
+RUN mkdir /app
+COPY cpu /app/
+
+WORKDIR /app
+
+CMD ["/app/cpu"]

example/stat/main.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+	"fmt"
+	"runtime"
+	"time"
+
+	"zero/core/stat"
+)
+
+func main() {
+	fmt.Println(runtime.NumCPU())
+	for i := 0; i < runtime.NumCPU()+10; i++ {
+		go func() {
+			for {
+				select {
+				default:
+					time.Sleep(time.Microsecond)
+				}
+			}
+		}()
+	}
+
+	ticker := time.NewTicker(time.Second * 5)
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-ticker.C:
+			percent := stat.CpuUsage()
+			fmt.Println("cpu:", percent)
+		}
+	}
+}