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authorOpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com>2021-03-19 03:49:17 -0700
committerGitHub <noreply@github.com>2021-03-19 03:49:17 -0700
commitc4a551373004219fd2d50e5b055dbc5e233e4e32 (patch)
treedeeb60c8d13ba55ff32512b29a183748ced677cc /vendor/github.com/prometheus/procfs/loadavg.go
parent5d9b07096b49877608250c7d51e0ee35b9d502c7 (diff)
parentec1651fbf11c4d3d1c792e7f46139ebd96f7ffb2 (diff)
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Merge pull request #9734 from containers/dependabot/go_modules/github.com/containers/storage-1.28.0
Bump github.com/containers/storage from 1.25.0 to 1.28.0
Diffstat (limited to 'vendor/github.com/prometheus/procfs/loadavg.go')
-rw-r--r--vendor/github.com/prometheus/procfs/loadavg.go62
1 files changed, 62 insertions, 0 deletions
diff --git a/vendor/github.com/prometheus/procfs/loadavg.go b/vendor/github.com/prometheus/procfs/loadavg.go
new file mode 100644
index 000000000..00bbe1441
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/loadavg.go
@@ -0,0 +1,62 @@
+// Copyright 2019 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package procfs
+
+import (
+ "fmt"
+ "strconv"
+ "strings"
+
+ "github.com/prometheus/procfs/internal/util"
+)
+
+// LoadAvg represents an entry in /proc/loadavg
+type LoadAvg struct {
+ Load1 float64
+ Load5 float64
+ Load15 float64
+}
+
+// LoadAvg returns loadavg from /proc.
+func (fs FS) LoadAvg() (*LoadAvg, error) {
+ path := fs.proc.Path("loadavg")
+
+ data, err := util.ReadFileNoStat(path)
+ if err != nil {
+ return nil, err
+ }
+ return parseLoad(data)
+}
+
+// Parse /proc loadavg and return 1m, 5m and 15m.
+func parseLoad(loadavgBytes []byte) (*LoadAvg, error) {
+ loads := make([]float64, 3)
+ parts := strings.Fields(string(loadavgBytes))
+ if len(parts) < 3 {
+ return nil, fmt.Errorf("malformed loadavg line: too few fields in loadavg string: %s", string(loadavgBytes))
+ }
+
+ var err error
+ for i, load := range parts[0:3] {
+ loads[i], err = strconv.ParseFloat(load, 64)
+ if err != nil {
+ return nil, fmt.Errorf("could not parse load '%s': %s", load, err)
+ }
+ }
+ return &LoadAvg{
+ Load1: loads[0],
+ Load5: loads[1],
+ Load15: loads[2],
+ }, nil
+}