| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package redis |
| 4 | |
| 5 | import ( |
| 6 | "context" |
| 7 | "time" |
| 8 | ) |
| 9 | |
| 10 | func (c *Collector) collectPingLatency(mx map[string]int64) { |
| 11 | c.pingSummary.Reset() |
| 12 | |
| 13 | for i := 0; i < c.PingSamples; i++ { |
| 14 | now := time.Now() |
| 15 | _, err := c.rdb.Ping(context.Background()).Result() |
| 16 | elapsed := time.Since(now) |
| 17 | |
| 18 | if err != nil { |
| 19 | c.Debug(err) |
| 20 | continue |
| 21 | } |
| 22 | |
| 23 | c.pingSummary.Observe(float64(elapsed.Microseconds())) |
| 24 | } |
| 25 | |
| 26 | c.pingSummary.WriteTo(mx, "ping_latency", 1, 1) |
| 27 | } |