Added program to check for Intel TSX support

doihavetsx/main.go

@@ -0,0 +1,39 @@
+// This simple program prints the name of the cpu and if it supports
+// Intel RTM and HLE.
+// It exits with status code 0 only is RTM and HLE are both supported.
+package main
+
+import (
+	"fmt"
+	"os"
+	"text/tabwriter"
+
+	"github.com/intel-go/cpuid"
+)
+
+func main() {
+	hasRTM := cpuid.HasExtendedFeature(cpuid.RTM)
+	hasHLE := cpuid.HasExtendedFeature(cpuid.HLE)
+
+	w := tabwriter.NewWriter(os.Stdout, 0, 0, 2, ' ', 0)
+	printyesno := func(v bool) {
+		if v {
+			fmt.Fprintln(w, "Yes")
+		} else {
+			fmt.Fprintln(w, "No")
+		}
+	}
+
+	fmt.Fprintf(w, "CPU Brand:\t%s\n", cpuid.ProcessorBrandString)
+	fmt.Fprint(w, "RTM:\t")
+	printyesno(hasRTM)
+	fmt.Fprint(w, "HLE:\t")
+	printyesno(hasHLE)
+	w.Flush()
+
+	if hasRTM && hasHLE {
+		os.Exit(0)
+	} else {
+		os.Exit(1)
+	}
+}