mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-12-26 22:19:44 -08:00
141 lines
4.6 KiB
Go
141 lines
4.6 KiB
Go
// Copyright 2021 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build !nogpu
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// +build !nogpu
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package collector
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import (
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"fmt"
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"github.com/go-kit/log"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/procfs/sysfs"
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)
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const (
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drmCollectorSubsystem = "drm"
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)
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type drmCollector struct {
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fs sysfs.FS
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logger log.Logger
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CardInfo *prometheus.Desc
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GPUBusyPercent *prometheus.Desc
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MemoryGTTSize *prometheus.Desc
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MemoryGTTUsed *prometheus.Desc
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MemoryVisibleVRAMSize *prometheus.Desc
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MemoryVisibleVRAMUsed *prometheus.Desc
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MemoryVRAMSize *prometheus.Desc
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MemoryVRAMUsed *prometheus.Desc
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}
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func init() {
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registerCollector("drm", defaultDisabled, NewDrmCollector)
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}
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// NewDrmCollector returns a new Collector exposing /sys/class/drm/card?/device stats.
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func NewDrmCollector(logger log.Logger) (Collector, error) {
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fs, err := sysfs.NewFS(*sysPath)
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if err != nil {
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return nil, fmt.Errorf("failed to open sysfs: %w", err)
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}
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return &drmCollector{
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fs: fs,
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logger: logger,
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CardInfo: prometheus.NewDesc(
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prometheus.BuildFQName(namespace, drmCollectorSubsystem, "card_info"),
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"Card information",
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[]string{"card", "memory_vendor", "power_performance_level", "unique_id", "vendor"}, nil,
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),
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GPUBusyPercent: prometheus.NewDesc(
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prometheus.BuildFQName(namespace, drmCollectorSubsystem, "gpu_busy_percent"),
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"How busy the GPU is as a percentage.",
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[]string{"card"}, nil,
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),
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MemoryGTTSize: prometheus.NewDesc(
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prometheus.BuildFQName(namespace, drmCollectorSubsystem, "memory_gtt_size_bytes"),
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"The size of the graphics translation table (GTT) block in bytes.",
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[]string{"card"}, nil,
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),
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MemoryGTTUsed: prometheus.NewDesc(
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prometheus.BuildFQName(namespace, drmCollectorSubsystem, "memory_gtt_used_bytes"),
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"The used amount of the graphics translation table (GTT) block in bytes.",
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[]string{"card"}, nil,
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),
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MemoryVisibleVRAMSize: prometheus.NewDesc(
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prometheus.BuildFQName(namespace, drmCollectorSubsystem, "memory_vis_vram_size_bytes"),
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"The size of visible VRAM in bytes.",
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[]string{"card"}, nil,
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),
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MemoryVisibleVRAMUsed: prometheus.NewDesc(
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prometheus.BuildFQName(namespace, drmCollectorSubsystem, "memory_vis_vram_used_bytes"),
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"The used amount of visible VRAM in bytes.",
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[]string{"card"}, nil,
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),
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MemoryVRAMSize: prometheus.NewDesc(
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prometheus.BuildFQName(namespace, drmCollectorSubsystem, "memory_vram_size_bytes"),
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"The size of VRAM in bytes.",
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[]string{"card"}, nil,
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),
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MemoryVRAMUsed: prometheus.NewDesc(
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prometheus.BuildFQName(namespace, drmCollectorSubsystem, "memory_vram_used_bytes"),
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"The used amount of VRAM in bytes.",
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[]string{"card"}, nil,
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),
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}, nil
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}
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func (c *drmCollector) Update(ch chan<- prometheus.Metric) error {
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return c.updateAMDCards(ch)
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}
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func (c *drmCollector) updateAMDCards(ch chan<- prometheus.Metric) error {
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vendor := "amd"
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stats, err := c.fs.ClassDRMCardAMDGPUStats()
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if err != nil {
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return err
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}
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for _, s := range stats {
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ch <- prometheus.MustNewConstMetric(
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c.CardInfo, prometheus.GaugeValue, 1,
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s.Name, s.MemoryVRAMVendor, s.PowerDPMForcePerformanceLevel, s.UniqueID, vendor)
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ch <- prometheus.MustNewConstMetric(
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c.GPUBusyPercent, prometheus.GaugeValue, float64(s.GPUBusyPercent), s.Name)
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ch <- prometheus.MustNewConstMetric(
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c.MemoryGTTSize, prometheus.GaugeValue, float64(s.MemoryGTTSize), s.Name)
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ch <- prometheus.MustNewConstMetric(
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c.MemoryGTTUsed, prometheus.GaugeValue, float64(s.MemoryGTTUsed), s.Name)
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ch <- prometheus.MustNewConstMetric(
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c.MemoryVRAMSize, prometheus.GaugeValue, float64(s.MemoryVRAMSize), s.Name)
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ch <- prometheus.MustNewConstMetric(
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c.MemoryVRAMUsed, prometheus.GaugeValue, float64(s.MemoryVRAMUsed), s.Name)
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ch <- prometheus.MustNewConstMetric(
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c.MemoryVisibleVRAMSize, prometheus.GaugeValue, float64(s.MemoryVisibleVRAMSize), s.Name)
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ch <- prometheus.MustNewConstMetric(
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c.MemoryVisibleVRAMUsed, prometheus.GaugeValue, float64(s.MemoryVisibleVRAMUsed), s.Name)
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}
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return nil
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}
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