af2fbf289d
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael) Upstream-commit: 9b65f1635515fa35ed38f8a76b6d8f73ab3a1d02 Component: engine
27 lines
674 B
Go
27 lines
674 B
Go
package fs
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import (
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"errors"
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"fmt"
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"strconv"
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"strings"
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)
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var ErrNotSupportStat = errors.New("stats are not supported for subsystem")
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// Parses a cgroup param and returns as name, value
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// i.e. "io_service_bytes 1234" will return as io_service_bytes, 1234
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func getCgroupParamKeyValue(t string) (string, float64, error) {
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parts := strings.Fields(t)
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switch len(parts) {
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case 2:
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value, err := strconv.ParseFloat(parts[1], 64)
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if err != nil {
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return "", 0.0, fmt.Errorf("Unable to convert param value to float: %s", err)
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}
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return parts[0], value, nil
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default:
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return "", 0.0, fmt.Errorf("Unable to parse cgroup param: not enough parts; expected 2")
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}
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}
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