Adding upstream version 1.34.4.

Signed-off-by: Daniel Baumann <daniel@debian.org>

plugins/inputs/infiniband/infiniband_linux.go

@@ -0,0 +1,62 @@
+//go:build linux
+
+package infiniband
+
+import (
+	"errors"
+	"strconv"
+
+	"github.com/Mellanox/rdmamap"
+
+	"github.com/influxdata/telegraf"
+)
+
+// Gather statistics from our infiniband cards
+func (ib *Infiniband) Gather(acc telegraf.Accumulator) error {
+	rdmaDevices := rdmamap.GetRdmaDeviceList()
+
+	if len(rdmaDevices) == 0 {
+		return errors.New("no InfiniBand devices found in /sys/class/infiniband/")
+	}
+
+	for _, dev := range rdmaDevices {
+		devicePorts := rdmamap.GetPorts(dev)
+		for _, port := range devicePorts {
+			portInt, err := strconv.Atoi(port)
+			if err != nil {
+				return err
+			}
+
+			stats, err := rdmamap.GetRdmaSysfsStats(dev, portInt)
+			if err != nil {
+				continue
+			}
+
+			addStats(dev, port, stats, acc)
+
+			if ib.RDMA {
+				stats, err := rdmamap.GetRdmaSysfsHwStats(dev, portInt)
+				if err != nil {
+					continue
+				}
+
+				addStats(dev, port, stats, acc)
+			}
+		}
+	}
+
+	return nil
+}
+
+// Add the statistics to the accumulator
+func addStats(dev, port string, stats []rdmamap.RdmaStatEntry, acc telegraf.Accumulator) {
+	// Allow users to filter by card and port
+	tags := map[string]string{"device": dev, "port": port}
+	fields := make(map[string]interface{})
+
+	for _, entry := range stats {
+		fields[entry.Name] = entry.Value
+	}
+
+	acc.AddFields("infiniband", fields, tags)
+}