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time: windows_time_clock_frequency_adjustment_ppb_total -> windows_time_clock_frequency_adjustment_ppb and add windows_time_clock_frequency_adjustment metric for Win2016 (#1910)

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Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>
Signed-off-by: Jan-Otto Kröpke <github@jkroepke.de>
(cherry picked from commit d6196c5c6b)
This commit is contained in:
Jan-Otto Kröpke
2025-03-12 08:28:30 +01:00
committed by Jan-Otto Kröpke
parent a56e1ac71a
commit 6f0209ddb7
6 changed files with 73 additions and 34 deletions
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52
internal/collector/time/time.go
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@@ -23,6 +23,7 @@ import (
"strings"
"time"
"github.com/Microsoft/hcsshim/osversion"
"github.com/alecthomas/kingpin/v2"
"github.com/prometheus-community/windows_exporter/internal/headers/kernel32"
"github.com/prometheus-community/windows_exporter/internal/mi"
@@ -58,14 +59,17 @@ type Collector struct {
perfDataCollector *pdh.Collector
perfDataObject []perfDataCounterValues
currentTime *prometheus.Desc
timezone *prometheus.Desc
clockFrequencyAdjustmentPPBTotal *prometheus.Desc
computedTimeOffset *prometheus.Desc
ntpClientTimeSourceCount *prometheus.Desc
ntpRoundTripDelay *prometheus.Desc
ntpServerIncomingRequestsTotal *prometheus.Desc
ntpServerOutgoingResponsesTotal *prometheus.Desc
ppbCounterPresent bool
currentTime *prometheus.Desc
timezone *prometheus.Desc
clockFrequencyAdjustment *prometheus.Desc
clockFrequencyAdjustmentPPB *prometheus.Desc
computedTimeOffset *prometheus.Desc
ntpClientTimeSourceCount *prometheus.Desc
ntpRoundTripDelay *prometheus.Desc
ntpServerIncomingRequestsTotal *prometheus.Desc
ntpServerOutgoingResponsesTotal *prometheus.Desc
}
func New(config *Config) *Collector {
@@ -125,6 +129,9 @@ func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
}
}
// https://github.com/prometheus-community/windows_exporter/issues/1891
c.ppbCounterPresent = osversion.Build() >= osversion.LTSC2019
c.currentTime = prometheus.NewDesc(
prometheus.BuildFQName(types.Namespace, Name, "current_timestamp_seconds"),
"OperatingSystem.LocalDateTime",
@@ -137,9 +144,15 @@ func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
[]string{"timezone"},
nil,
)
c.clockFrequencyAdjustmentPPBTotal = prometheus.NewDesc(
prometheus.BuildFQName(types.Namespace, Name, "clock_frequency_adjustment_ppb_total"),
"Total adjustment made to the local system clock frequency by W32Time in Parts Per Billion (PPB) units.",
c.clockFrequencyAdjustment = prometheus.NewDesc(
prometheus.BuildFQName(types.Namespace, Name, "clock_frequency_adjustment"),
"This value reflects the adjustment made to the local system clock frequency by W32Time in nominal clock units. This counter helps visualize the finer adjustments being made by W32time to synchronize the local clock.",
nil,
nil,
)
c.clockFrequencyAdjustmentPPB = prometheus.NewDesc(
prometheus.BuildFQName(types.Namespace, Name, "clock_frequency_adjustment_ppb"),
"This value reflects the adjustment made to the local system clock frequency by W32Time in Parts Per Billion (PPB) units. 1 PPB adjustment imples the system clock was adjusted at a rate of 1 nanosecond per second. The smallest possible adjustment can vary and can be expected to be in the order of 100&apos;s of PPB. This counter helps visualize the finer actions being taken by W32time to synchronize the local clock.",
nil,
nil,
)
@@ -232,14 +245,23 @@ func (c *Collector) collectTime(ch chan<- prometheus.Metric) error {
func (c *Collector) collectNTP(ch chan<- prometheus.Metric) error {
err := c.perfDataCollector.Collect(&c.perfDataObject)
if err != nil {
return fmt.Errorf("failed to collect VM Memory metrics: %w", err)
return fmt.Errorf("failed to collect time metrics: %w", err)
}
ch <- prometheus.MustNewConstMetric(
c.clockFrequencyAdjustmentPPBTotal,
prometheus.CounterValue,
c.perfDataObject[0].ClockFrequencyAdjustmentPPBTotal,
c.clockFrequencyAdjustment,
prometheus.GaugeValue,
c.perfDataObject[0].ClockFrequencyAdjustment,
)
if c.ppbCounterPresent {
ch <- prometheus.MustNewConstMetric(
c.clockFrequencyAdjustmentPPB,
prometheus.GaugeValue,
c.perfDataObject[0].ClockFrequencyAdjustmentPPB,
)
}
ch <- prometheus.MustNewConstMetric(
c.computedTimeOffset,
prometheus.GaugeValue,