func TestUbuntuCalculateEphemeralDiskPartitionSizesWhenDiskTwiceTheMemoryOrSmaller(t *testing.T) {
memStats := sigar.Mem{}
memStats.Get()
totalMemInKb := memStats.Total
totalMemInBlocks := totalMemInKb * uint64(1024/512)
diskSizeInBlocks := totalMemInBlocks*2 - 1
expectedSwap := diskSizeInBlocks / 2
testUbuntuCalculateEphemeralDiskPartitionSizes(t, diskSizeInBlocks, expectedSwap)
}
func (p ubuntu) GetMemStats() (stats MemStats, err error) {
mem := sigar.Mem{}
err = mem.Get()
if err != nil {
return
}
stats.Total = mem.Total
stats.Used = mem.Used
return
}
func (s sigarStatsCollector) GetMemStats() (stats MemStats, err error) {
mem := sigar.Mem{}
err = mem.Get()
if err != nil {
return
}
stats.Total = mem.Total
stats.Used = mem.Used
return
}
func (s sigarStatsCollector) GetMemStats() (stats MemStats, err error) {
mem := sigar.Mem{}
err = mem.Get()
if err != nil {
err = bosherr.WrapError(err, "Getting Sigar Mem")
return
}
stats.Total = mem.Total
stats.Used = mem.Used
return
}
func postMetrics() error {
var metrics = make(map[string]interface{})
// Runtime Info
metrics["agent.runtime.numcpu"] = runtime.NumCPU()
metrics["agent.runtime.numgoroutine"] = runtime.NumGoroutine()
// System Info
avg := sigar.LoadAverage{}
mem := sigar.Mem{}
swap := sigar.Swap{}
avg.Get()
mem.Get()
swap.Get()
metrics["agent.system.loadavg.one"] = avg.One
metrics["agent.system.loadavg.five"] = avg.Five
metrics["agent.system.loadavg.fifteen"] = avg.Fifteen
metrics["agent.system.mem.total"] = mem.Total
metrics["agent.system.mem.used"] = mem.Used
metrics["agent.system.mem.free"] = mem.Free
metrics["agent.system.mem.actual_used"] = mem.ActualUsed
metrics["agent.system.mem.actual_free"] = mem.ActualFree
metrics["agent.system.swap.total"] = swap.Total
metrics["agent.system.swap.used"] = swap.Used
metrics["agent.system.swap.free"] = swap.Free
// Disk Info
fslist := sigar.FileSystemList{}
fslist.Get()
for _, fs := range fslist.List {
if strings.HasPrefix(fs.DevName, "/") {
dirname := fs.DirName
usage := sigar.FileSystemUsage{}
usage.Get(dirname)
metrics[fmt.Sprintf("agent.disk.%s.total", dirname)] = usage.Total
metrics[fmt.Sprintf("agent.disk.%s.used", dirname)] = usage.Used
metrics[fmt.Sprintf("agent.disk.%s.avail", dirname)] = usage.Avail
metrics[fmt.Sprintf("agent.disk.%s.used_percent", dirname)] = usage.UsePercent()
}
}
if client, err := models.NewCounterClient(nil); err != nil {
return err
} else {
return client.PostMany("statsd", metrics)
}
}
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
`
err := ioutil.WriteFile(meminfoFile, []byte(meminfoContents), 0444)
Expect(err).ToNot(HaveOccurred())
})
It("returns correct memory info", func() {
mem := sigar.Mem{}
err := mem.Get()
Expect(err).ToNot(HaveOccurred())
Expect(mem.Total).To(BeNumerically("==", 374256*1024))
Expect(mem.Free).To(BeNumerically("==", 274460*1024))
})
})
Describe("Swap", func() {
var meminfoFile string
BeforeEach(func() {
meminfoFile = procd + "/meminfo"
meminfoContents := `
MemTotal: 374256 kB
func freeMem() uint64 {
mem := sigar.Mem{}
mem.Get()
return (mem.Free / 1024 / 1024)
}