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fix darwin mem_swap parse error.

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This commit is contained in:
Shirou WAKAYAMA 2014-09-20 09:30:14 +09:00
parent b2dc569885
commit f53c682823
1 changed files with 28 additions and 10 deletions
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38
mem_darwin.go
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@ -4,6 +4,7 @@ package gopsutil
import (
"os/exec"
"strconv"
"strings"
)
@ -53,21 +54,38 @@ func VirtualMemory() (*VirtualMemoryStat, error) {
// SwapMemory returns swapinfo.
func SwapMemory() (*SwapMemoryStat, error) {
swapUsage, _ := doSysctrl("vm.swapusage")
var ret *SwapMemoryStat
total := strings.Replace(swapUsage[3], "M", "", 1)
used := strings.Replace(swapUsage[6], "M", "", 1)
free := strings.Replace(swapUsage[9], "M", "", 1)
swapUsage, err := doSysctrl("vm.swapusage")
if err != nil {
return ret, err
}
u := "0"
total := strings.Replace(swapUsage[2], "M", "", 1)
used := strings.Replace(swapUsage[5], "M", "", 1)
free := strings.Replace(swapUsage[8], "M", "", 1)
total_v, err := strconv.ParseFloat(total, 64)
if err != nil {
return nil, err
}
used_v, err := strconv.ParseFloat(used, 64)
if err != nil {
return nil, err
}
free_v, err := strconv.ParseFloat(free, 64)
if err != nil {
return nil, err
}
u := ((total_v - free_v) / total_v) * 100.0
// vm.swapusage shows "M", multiply 1000
ret = &SwapMemoryStat{
Total: mustParseUint64(total),
Used: mustParseUint64(used),
Free: mustParseUint64(free),
UsedPercent: mustParseFloat64(u),
Total: uint64(total_v * 1000),
Used: uint64(used_v * 1000),
Free: uint64(free_v * 1000),
UsedPercent: u,
}
return ret, nil