commit

test/disk/main/main.go

@@ -7,6 +7,10 @@ import (
 	"strings"
 )
 
+// getDiskUsage 解析 df 命令的输出
+// df -B1 /dev/vdb
+// Filesystem        1B-blocks        Used    Available Use% Mounted on
+// /dev/vdb       527371075584 16390344704 484120408064   4% /mnt/disk001
 func getDiskUsage(path string) (uint64, error) {
 	cmd := exec.Command("df", "-B1", path)
 	output, err := cmd.CombinedOutput()