[VOL-5486] Upgrade library versions
Change-Id: I8b4e88699e03f44ee13e467867f45ae3f0a63c4b
Signed-off-by: Abhay Kumar <abhay.kumar@radisys.com>
diff --git a/vendor/github.com/prometheus/procfs/proc_interrupts.go b/vendor/github.com/prometheus/procfs/proc_interrupts.go
new file mode 100644
index 0000000..86b4b45
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/proc_interrupts.go
@@ -0,0 +1,98 @@
+// Copyright 2022 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 (
+ "bufio"
+ "bytes"
+ "errors"
+ "fmt"
+ "io"
+ "strconv"
+ "strings"
+
+ "github.com/prometheus/procfs/internal/util"
+)
+
+// Interrupt represents a single interrupt line.
+type Interrupt struct {
+ // Info is the type of interrupt.
+ Info string
+ // Devices is the name of the device that is located at that IRQ
+ Devices string
+ // Values is the number of interrupts per CPU.
+ Values []string
+}
+
+// Interrupts models the content of /proc/interrupts. Key is the IRQ number.
+// - https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/deployment_guide/s2-proc-interrupts
+// - https://raspberrypi.stackexchange.com/questions/105802/explanation-of-proc-interrupts-output
+type Interrupts map[string]Interrupt
+
+// Interrupts creates a new instance from a given Proc instance.
+func (p Proc) Interrupts() (Interrupts, error) {
+ data, err := util.ReadFileNoStat(p.path("interrupts"))
+ if err != nil {
+ return nil, err
+ }
+ return parseInterrupts(bytes.NewReader(data))
+}
+
+func parseInterrupts(r io.Reader) (Interrupts, error) {
+ var (
+ interrupts = Interrupts{}
+ scanner = bufio.NewScanner(r)
+ )
+
+ if !scanner.Scan() {
+ return nil, errors.New("interrupts empty")
+ }
+ cpuNum := len(strings.Fields(scanner.Text())) // one header per cpu
+
+ for scanner.Scan() {
+ parts := strings.Fields(scanner.Text())
+ if len(parts) == 0 { // skip empty lines
+ continue
+ }
+ if len(parts) < 2 {
+ return nil, fmt.Errorf("%w: Not enough fields in interrupts (expected 2+ fields but got %d): %s", ErrFileParse, len(parts), parts)
+ }
+ intName := parts[0][:len(parts[0])-1] // remove trailing :
+
+ if len(parts) == 2 {
+ interrupts[intName] = Interrupt{
+ Info: "",
+ Devices: "",
+ Values: []string{
+ parts[1],
+ },
+ }
+ continue
+ }
+
+ intr := Interrupt{
+ Values: parts[1 : cpuNum+1],
+ }
+
+ if _, err := strconv.Atoi(intName); err == nil { // numeral interrupt
+ intr.Info = parts[cpuNum+1]
+ intr.Devices = strings.Join(parts[cpuNum+2:], " ")
+ } else {
+ intr.Info = strings.Join(parts[cpuNum+1:], " ")
+ }
+ interrupts[intName] = intr
+ }
+
+ return interrupts, scanner.Err()
+}