Golang gosigar.Mem类代码示例

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本文整理汇总了Golang中github.com/elastic/gosigar.Mem类的典型用法代码示例。如果您正苦于以下问题：Golang Mem类的具体用法？Golang Mem怎么用？Golang Mem使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了Mem类的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: GetTotalMemory

// GetTotalMemory returns either the total system memory or if possible the
// cgroups available memory.
func GetTotalMemory() (uint64, error) {
	mem := gosigar.Mem{}
	if err := mem.Get(); err != nil {
		return 0, err
	}
	totalMem := mem.Total
	var cgAvlMem uint64
	if runtime.GOOS == "linux" {
		var err error
		var buf []byte
		if buf, err = ioutil.ReadFile(defaultCGroupMemPath); err != nil {
			if log.V(1) {
				log.Infof("can't read available memory from cgroups (%s)", err)
			}
			return totalMem, nil
		}
		if cgAvlMem, err = strconv.ParseUint(strings.TrimSpace(string(buf)), 10, 64); err != nil {
			if log.V(1) {
				log.Infof("can't parse available memory from cgroups (%s)", err)
			}
			return totalMem, nil
		}
		return cgAvlMem, nil
	}
	return totalMem, nil
}

开发者ID:liugangnhm，项目名称:cockroach，代码行数:28，代码来源:context.go

示例2: GetMemory

func GetMemory() (*MemStat, error) {

	mem := sigar.Mem{}
	err := mem.Get()
	if err != nil {
		return nil, err
	}

	return &MemStat{Mem: mem}, nil
}

开发者ID:radoondas，项目名称:apachebeat，代码行数:10，代码来源:system.go

示例3: GetTotalMemory

// GetTotalMemory returns either the total system memory or if possible the
// cgroups available memory.
func GetTotalMemory() (int64, error) {
	mem := gosigar.Mem{}
	if err := mem.Get(); err != nil {
		return 0, err
	}
	if mem.Total > math.MaxInt64 {
		return 0, fmt.Errorf("inferred memory size %s exceeds maximum supported memory size %s",
			humanize.IBytes(mem.Total), humanize.Bytes(math.MaxInt64))
	}
	totalMem := int64(mem.Total)
	if runtime.GOOS == "linux" {
		var err error
		var buf []byte
		if buf, err = ioutil.ReadFile(defaultCGroupMemPath); err != nil {
			if log.V(1) {
				log.Infof(context.TODO(), "can't read available memory from cgroups (%s), using system memory %s instead", err,
					humanizeutil.IBytes(totalMem))
			}
			return totalMem, nil
		}
		var cgAvlMem uint64
		if cgAvlMem, err = strconv.ParseUint(strings.TrimSpace(string(buf)), 10, 64); err != nil {
			if log.V(1) {
				log.Infof(context.TODO(), "can't parse available memory from cgroups (%s), using system memory %s instead", err,
					humanizeutil.IBytes(totalMem))
			}
			return totalMem, nil
		}
		if cgAvlMem > math.MaxInt64 {
			if log.V(1) {
				log.Infof(context.TODO(), "available memory from cgroups is too large and unsupported %s using system memory %s instead",
					humanize.IBytes(cgAvlMem), humanizeutil.IBytes(totalMem))

			}
			return totalMem, nil
		}
		if cgAvlMem > mem.Total {
			if log.V(1) {
				log.Infof(context.TODO(), "available memory from cgroups %s exceeds system memory %s, using system memory",
					humanize.IBytes(cgAvlMem), humanizeutil.IBytes(totalMem))
			}
			return totalMem, nil
		}

		return int64(cgAvlMem), nil
	}
	return totalMem, nil
}

开发者ID:knz，项目名称:cockroach，代码行数:50，代码来源:config.go

示例4: GetMemory

func GetMemory() (*MemStat, error) {

	mem := sigar.Mem{}
	err := mem.Get()
	if err != nil {
		return nil, err
	}

	return &MemStat{
		Total:      mem.Total,
		Used:       mem.Used,
		Free:       mem.Free,
		ActualFree: mem.ActualFree,
		ActualUsed: mem.ActualUsed,
	}, nil
}

开发者ID:Ingensi，项目名称:dockerbeat，代码行数:16，代码来源:sigar.go

示例5: main

func main() {
	mem := gosigar.Mem{}
	swap := gosigar.Swap{}

	mem.Get()
	swap.Get()

	fmt.Fprintf(os.Stdout, "%18s %10s %10s\n",
		"total", "used", "free")

	fmt.Fprintf(os.Stdout, "Mem:    %10d %10d %10d\n",
		format(mem.Total), format(mem.Used), format(mem.Free))

	fmt.Fprintf(os.Stdout, "-/+ buffers/cache: %10d %10d\n",
		format(mem.ActualUsed), format(mem.ActualFree))

	fmt.Fprintf(os.Stdout, "Swap:   %10d %10d %10d\n",
		format(swap.Total), format(swap.Used), format(swap.Free))
}

开发者ID:ChongFeng，项目名称:beats，代码行数:19，代码来源:free.go

示例6:

package sigar_test

import (
	"os"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"

	sigar "github.com/elastic/gosigar"
)

var _ = Describe("SigarWindows", func() {
	Describe("Memory", func() {
		It("gets the total memory", func() {
			mem := sigar.Mem{}
			err := mem.Get()

			Ω(err).ShouldNot(HaveOccurred())
			Ω(mem.Total).Should(BeNumerically(">", 0))
		})
	})

	Describe("Disk", func() {
		It("gets the total disk space", func() {
			usage := sigar.FileSystemUsage{}
			err := usage.Get(os.TempDir())

			Ω(err).ShouldNot(HaveOccurred())
			Ω(usage.Total).Should(BeNumerically(">", 0))
		})
	})

开发者ID:davidsoloman，项目名称:beats，代码行数:31，代码来源:sigar_windows_test.go

示例7: TestLinuxMemAndSwap

func TestLinuxMemAndSwap(t *testing.T) {
	setUp(t)
	defer tearDown(t)

	meminfoContents := `
MemTotal:         374256 kB
MemFree:          274460 kB
Buffers:            9764 kB
Cached:            38648 kB
SwapCached:            0 kB
Active:            33772 kB
Inactive:          31184 kB
Active(anon):      16572 kB
Inactive(anon):      552 kB
Active(file):      17200 kB
Inactive(file):    30632 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:        786428 kB
SwapFree:         786428 kB
Dirty:                 0 kB
Writeback:             0 kB
AnonPages:         16564 kB
Mapped:             6612 kB
Shmem:               584 kB
Slab:              19092 kB
SReclaimable:       9128 kB
SUnreclaim:         9964 kB
KernelStack:         672 kB
PageTables:         1864 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:      973556 kB
Committed_AS:      55880 kB
VmallocTotal:   34359738367 kB
VmallocUsed:       21428 kB
VmallocChunk:   34359713596 kB
HardwareCorrupted:     0 kB
AnonHugePages:         0 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:       59328 kB
DirectMap2M:      333824 kB
`

	meminfoFile := procd + "/meminfo"
	err := ioutil.WriteFile(meminfoFile, []byte(meminfoContents), 0444)
	if err != nil {
		t.Fatal(err)
	}

	mem := sigar.Mem{}
	if assert.NoError(t, mem.Get()) {
		assert.Equal(t, uint64(374256*1024), mem.Total)
		assert.Equal(t, uint64(274460*1024), mem.Free)
	}

	swap := sigar.Swap{}
	if assert.NoError(t, swap.Get()) {
		assert.Equal(t, uint64(786428*1024), swap.Total)
		assert.Equal(t, uint64(786428*1024), swap.Free)
	}
}

开发者ID:mponton，项目名称:gosigar，代码行数:67，代码来源:sigar_linux_test.go

注：本文中的github.com/elastic/gosigar.Mem类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。