timing.go RawHistoryFolder

1// SPDX-License-Identifier: MIT
2
3package guest
4
5import (
6	"sort"
7	"strconv"
8	"strings"
9)
10
11func formatBootMs(ms map[string]int64) string {
12	keys := make([]string, 0, len(ms))
13	for k := range ms {
14		keys = append(keys, k)
15	}
16	sort.Strings(keys)
17	pairs := make([]string, 0, len(keys))
18	for _, k := range keys {
19		pairs = append(pairs, k+"="+strconv.FormatInt(ms[k], 10))
20	}
21	return strings.Join(pairs, ",")
22}
23
24// ParseBootMs reads init's boot timing environment, ignoring malformed pairs.
25func ParseBootMs(value string) map[string]int64 {
26	ms := make(map[string]int64)
27	for _, pair := range strings.Split(value, ",") {
28		key, value, ok := strings.Cut(pair, "=")
29		if !ok || key == "" {
30			continue
31		}
32		n, err := strconv.ParseInt(value, 10, 64)
33		if err == nil && n >= 0 {
34			ms[key] = n
35		}
36	}
37	return ms
38}