windows - 从 Go 代码调用 typeperf 以接收系统信息

Question

我正在尝试获取进程列表，包括它们的当前负载。 typeperf "\Process(*)\% Processor Time"-sc 1 似乎给了我想要的输出。从 cmd 执行此操作。

现在我尝试从我的 Go 代码中调用该命令

// Command to list processes
cmdPS := exec.Command("typeperf", "\"\\Process(*)\\% Processor Time\"", "-sc", "1")
cmdPS.Stdout = &buff
cmdPS.Stderr = &errBuff
err := cmdPS.Run()
if err != nil {
    log.Printf("Err: %s", buff.String())
    return nil, errors.Wrapf(err, "Failed to call: ps ax -o")
}

这导致:

Exiting, please wait...
Error: No valid counters.

Note:
  In order to use typeperf, you must either be a member of the local
  Performance Log Users group, or the command must be executed from an
  elevated command window.

我格式化命令字符串的方式有误吗？我希望直接执行此命令并通过 Go 执行它会以相同的权限运行。

Answer 1

看起来您需要删除转义引号。 shell(或本例中的 cmd)将为您处理参数。

但是，在我的机器上运行 typeperf "\Process(*)\% Processor Time"-sc 1 会产生以下结果。

Error: No valid counters.

Note:
  In order to use typeperf, you must either be a member of the local
  Performance Log Users group, or the command must be executed from an
  elevated command window.