82 lines
1.9 KiB
Go
82 lines
1.9 KiB
Go
//go:build aix && !cgo
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// +build aix,!cgo
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package mem
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import (
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"context"
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"regexp"
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"strconv"
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"strings"
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"github.com/shirou/gopsutil/v3/internal/common"
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)
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var whiteSpaces = regexp.MustCompile(`\s+`)
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func VirtualMemoryWithContext(ctx context.Context) (*VirtualMemoryStat, error) {
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vmem, swap, err := callSVMon(ctx)
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if err != nil {
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return nil, err
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}
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if vmem.Total == 0 {
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return nil, common.ErrNotImplementedError
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}
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vmem.SwapTotal = swap.Total
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vmem.SwapFree = swap.Free
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return vmem, nil
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}
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func SwapMemoryWithContext(ctx context.Context) (*SwapMemoryStat, error) {
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_, swap, err := callSVMon(ctx)
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if err != nil {
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return nil, err
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}
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if swap.Total == 0 {
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return nil, common.ErrNotImplementedError
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}
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return swap, nil
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}
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func callSVMon(ctx context.Context) (*VirtualMemoryStat, *SwapMemoryStat, error) {
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out, err := invoke.CommandWithContext(ctx, "svmon", "-G")
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if err != nil {
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return nil, nil, err
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}
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pagesize := uint64(4096)
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vmem := &VirtualMemoryStat{}
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swap := &SwapMemoryStat{}
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for _, line := range strings.Split(string(out), "\n") {
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if strings.HasPrefix(line, "memory") {
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p := whiteSpaces.Split(line, 7)
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if len(p) > 2 {
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if t, err := strconv.ParseUint(p[1], 10, 64); err == nil {
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vmem.Total = t * pagesize
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}
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if t, err := strconv.ParseUint(p[2], 10, 64); err == nil {
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vmem.Used = t * pagesize
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if vmem.Total > 0 {
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vmem.UsedPercent = 100 * float64(vmem.Used) / float64(vmem.Total)
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}
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}
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if t, err := strconv.ParseUint(p[3], 10, 64); err == nil {
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vmem.Free = t * pagesize
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}
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}
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} else if strings.HasPrefix(line, "pg space") {
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p := whiteSpaces.Split(line, 4)
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if len(p) > 3 {
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if t, err := strconv.ParseUint(p[2], 10, 64); err == nil {
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swap.Total = t * pagesize
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}
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if t, err := strconv.ParseUint(p[3], 10, 64); err == nil {
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swap.Free = swap.Total - t * pagesize
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}
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}
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break
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}
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}
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return vmem, swap, nil
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}
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