Function getVulkanGPUMemory

pkg/xsysinfo/gpu.go:981–999

getVulkanGPUMemory queries GPUs using vulkaninfo as a fallback. Note: vulkaninfo JSON is a Vulkan Profiles export and does not include VkPhysicalDeviceMemoryProperties, so memory heaps are parsed from text output.

()

// Note: vulkaninfo JSON is a Vulkan Profiles export and does not include
// VkPhysicalDeviceMemoryProperties, so memory heaps are parsed from text output.
func getVulkanGPUMemory() []GPUMemoryInfo {
	if _, err := exec.LookPath("vulkaninfo"); err != nil {
		return nil
	}

	cmd := exec.Command("vulkaninfo", "--text")

	var stdout, stderr bytes.Buffer
	cmd.Stdout = &stdout
	cmd.Stderr = &stderr

	if err := cmd.Run(); err != nil {
		xlog.Debug("vulkaninfo failed", "error", err, "stderr", stderr.String())
		return nil
	}

	return parseVulkanGPUMemoryText(strings.NewReader(stdout.String()))

}

type vulkanGPUTextInfo struct {
	index      int