| package standalone |
| |
| import ( |
| "context" |
| |
| "github.com/shirou/gopsutil/host" |
| "go.skia.org/infra/go/skerr" |
| "go.skia.org/infra/machine/go/common" |
| "golang.org/x/sys/unix" |
| ) |
| |
| // OSVersions returns the macOS version in all possible precisions. For example, 10.5.7 would yield |
| // ["Mac-10", "Mac-10.5", "Mac-10.5.7"]. |
| func OSVersions(ctx context.Context) ([]string, error) { |
| _, _, platformVersion, err := host.PlatformInformation() |
| if err != nil { |
| return nil, skerr.Wrapf(err, "failed to get macOS version") |
| } |
| return macVersionsOfAllPrecisions(platformVersion), nil |
| } |
| |
| // CPUs returns a Swarming-style description of the host's CPU, in various precisions, e.g. ["x86", |
| // "x86-64", "x86-64-i5-5350U"]. The first (ISA) and second (bit width) will always be returned (if |
| // returned error is nil). The third (model number) will be added if we succeed in extracting it. |
| // |
| // Swarming goes to special trouble on Linux to return "32" if running a 32-bit userland on a 64-bit |
| // kernel, we do not. None of our jobs care about that distinction, nor, I think, do any of our |
| // boxes run like that. |
| func CPUs(ctx context.Context) ([]string, error) { |
| arch, err := host.KernelArch() |
| if err != nil { |
| return nil, skerr.Wrapf(err, "failed to get Mac CPU architecture") |
| } |
| // It is perfectly normal for these sysctl keys to be missing sometimes: |
| vendor, _ := unix.Sysctl("machdep.cpu.vendor") // Sysctl returns "" on failure. |
| brandString, _ := unix.Sysctl("machdep.cpu.brand_string") |
| return macCPUs(arch, vendor, brandString) |
| } |
| |
| // GPUs returns Swarming-style descriptions of all the host's GPUs, in various precisions, all |
| // flattened into a single array, e.g. ["Intel (8086)", "Intel Broadwell HD Graphics 6000 |
| // (8086:1626)", "Intel (8086)", "8086:9a49", "8086:9a49-22.0.5"]. At most, an array element may |
| // have 4 elements of precision: vendor ID, vendor name, device ID, and device name (in that order). |
| // However, the formats of these are device- and OS-dependent. |
| func GPUs(ctx context.Context) ([]string, error) { |
| xml, err := common.TrimmedCommandOutput(ctx, "system_profiler", "SPDisplaysDataType", "-xml") |
| if err != nil { |
| return nil, skerr.Wrapf(err, "failed to run System Profiler to get GPU info. Output was '%s'", xml) |
| } |
| |
| gpus, err := gpusFromSystemProfilerXML(xml) |
| if err != nil { |
| return nil, skerr.Wrapf(err, "couldn't get GPUs from System Profiler XML") |
| } |
| return dimensionsFromMacGPUs(gpus), nil |
| } |