1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
|
// SPDX-License-Identifier: GPL-3.0-or-later
package nvidia_smi
import (
"encoding/xml"
"fmt"
"strconv"
"strings"
)
func (nv *NvidiaSMI) collectGPUInfoXML(mx map[string]int64) error {
bs, err := nv.exec.queryGPUInfoXML()
if err != nil {
return fmt.Errorf("error on quering XML GPU info: %v", err)
}
info := &xmlInfo{}
if err := xml.Unmarshal(bs, info); err != nil {
return fmt.Errorf("error on unmarshaling XML GPU info response: %v", err)
}
seenGPU := make(map[string]bool)
seenMIG := make(map[string]bool)
for _, gpu := range info.GPUs {
if !isValidValue(gpu.UUID) {
continue
}
px := "gpu_" + gpu.UUID + "_"
seenGPU[px] = true
if !nv.gpus[px] {
nv.gpus[px] = true
nv.addGPUXMLCharts(gpu)
}
addMetric(mx, px+"pcie_bandwidth_usage_rx", gpu.PCI.RxUtil, 1024) // KB => bytes
addMetric(mx, px+"pcie_bandwidth_usage_tx", gpu.PCI.TxUtil, 1024) // KB => bytes
if max := calcMaxPCIEBandwidth(gpu); max > 0 {
rx := parseFloat(gpu.PCI.RxUtil) * 1024 // KB => bytes
tx := parseFloat(gpu.PCI.TxUtil) * 1024 // KB => bytes
mx[px+"pcie_bandwidth_utilization_rx"] = int64((rx * 100 / max) * 100)
mx[px+"pcie_bandwidth_utilization_tx"] = int64((tx * 100 / max) * 100)
}
addMetric(mx, px+"fan_speed_perc", gpu.FanSpeed, 0)
addMetric(mx, px+"gpu_utilization", gpu.Utilization.GpuUtil, 0)
addMetric(mx, px+"mem_utilization", gpu.Utilization.MemoryUtil, 0)
addMetric(mx, px+"decoder_utilization", gpu.Utilization.DecoderUtil, 0)
addMetric(mx, px+"encoder_utilization", gpu.Utilization.EncoderUtil, 0)
addMetric(mx, px+"frame_buffer_memory_usage_free", gpu.FBMemoryUsage.Free, 1024*1024) // MiB => bytes
addMetric(mx, px+"frame_buffer_memory_usage_used", gpu.FBMemoryUsage.Used, 1024*1024) // MiB => bytes
addMetric(mx, px+"frame_buffer_memory_usage_reserved", gpu.FBMemoryUsage.Reserved, 1024*1024) // MiB => bytes
addMetric(mx, px+"bar1_memory_usage_free", gpu.Bar1MemoryUsage.Free, 1024*1024) // MiB => bytes
addMetric(mx, px+"bar1_memory_usage_used", gpu.Bar1MemoryUsage.Used, 1024*1024) // MiB => bytes
addMetric(mx, px+"temperature", gpu.Temperature.GpuTemp, 0)
addMetric(mx, px+"graphics_clock", gpu.Clocks.GraphicsClock, 0)
addMetric(mx, px+"video_clock", gpu.Clocks.VideoClock, 0)
addMetric(mx, px+"sm_clock", gpu.Clocks.SmClock, 0)
addMetric(mx, px+"mem_clock", gpu.Clocks.MemClock, 0)
if gpu.PowerReadings != nil {
addMetric(mx, px+"power_draw", gpu.PowerReadings.PowerDraw, 0)
} else if gpu.GPUPowerReadings != nil {
addMetric(mx, px+"power_draw", gpu.GPUPowerReadings.PowerDraw, 0)
}
addMetric(mx, px+"voltage", gpu.Voltage.GraphicsVolt, 0)
for i := 0; i < 16; i++ {
s := "P" + strconv.Itoa(i)
mx[px+"performance_state_"+s] = boolToInt(gpu.PerformanceState == s)
}
if isValidValue(gpu.MIGMode.CurrentMIG) {
mode := strings.ToLower(gpu.MIGMode.CurrentMIG)
mx[px+"mig_current_mode_enabled"] = boolToInt(mode == "enabled")
mx[px+"mig_current_mode_disabled"] = boolToInt(mode == "disabled")
mx[px+"mig_devices_count"] = int64(len(gpu.MIGDevices.MIGDevice))
}
for _, mig := range gpu.MIGDevices.MIGDevice {
if !isValidValue(mig.GPUInstanceID) {
continue
}
px := "mig_instance_" + mig.GPUInstanceID + "_" + px
seenMIG[px] = true
if !nv.migs[px] {
nv.migs[px] = true
nv.addMIGDeviceXMLCharts(gpu, mig)
}
addMetric(mx, px+"ecc_error_sram_uncorrectable", mig.ECCErrorCount.VolatileCount.SRAMUncorrectable, 0)
addMetric(mx, px+"frame_buffer_memory_usage_free", mig.FBMemoryUsage.Free, 1024*1024) // MiB => bytes
addMetric(mx, px+"frame_buffer_memory_usage_used", mig.FBMemoryUsage.Used, 1024*1024) // MiB => bytes
addMetric(mx, px+"frame_buffer_memory_usage_reserved", mig.FBMemoryUsage.Reserved, 1024*1024) // MiB => bytes
addMetric(mx, px+"bar1_memory_usage_free", mig.BAR1MemoryUsage.Free, 1024*1024) // MiB => bytes
addMetric(mx, px+"bar1_memory_usage_used", mig.BAR1MemoryUsage.Used, 1024*1024) // MiB => bytes
}
}
for px := range nv.gpus {
if !seenGPU[px] {
delete(nv.gpus, px)
nv.removeCharts(px)
}
}
for px := range nv.migs {
if !seenMIG[px] {
delete(nv.migs, px)
nv.removeCharts(px)
}
}
return nil
}
func calcMaxPCIEBandwidth(gpu xmlGPUInfo) float64 {
gen := gpu.PCI.PCIGPULinkInfo.PCIEGen.MaxLinkGen
width := strings.TrimSuffix(gpu.PCI.PCIGPULinkInfo.LinkWidths.MaxLinkWidth, "x")
if !isValidValue(gen) || !isValidValue(width) {
return 0
}
// https://enterprise-support.nvidia.com/s/article/understanding-pcie-configuration-for-maximum-performance
var speed, enc float64
switch gen {
case "1":
speed, enc = 2.5, 1.0/5.0
case "2":
speed, enc = 5, 1.0/5.0
case "3":
speed, enc = 8, 2.0/130.0
case "4":
speed, enc = 16, 2.0/130.0
case "5":
speed, enc = 32, 2.0/130.0
default:
return 0
}
// Maximum PCIe Bandwidth = SPEED * WIDTH * (1 - ENCODING) - 1Gb/s
return (speed*parseFloat(width)*(1-enc) - 1) * 1e9 / 8 // Gb/s => bytes
}
type (
xmlInfo struct {
GPUs []xmlGPUInfo `xml:"gpu"`
}
xmlGPUInfo struct {
ID string `xml:"id,attr"`
ProductName string `xml:"product_name"`
ProductBrand string `xml:"product_brand"`
ProductArchitecture string `xml:"product_architecture"`
UUID string `xml:"uuid"`
FanSpeed string `xml:"fan_speed"`
PerformanceState string `xml:"performance_state"`
MIGMode struct {
CurrentMIG string `xml:"current_mig"`
} `xml:"mig_mode"`
MIGDevices struct {
MIGDevice []xmlMIGDeviceInfo `xml:"mig_device"`
} `xml:"mig_devices"`
PCI struct {
TxUtil string `xml:"tx_util"`
RxUtil string `xml:"rx_util"`
PCIGPULinkInfo struct {
PCIEGen struct {
MaxLinkGen string `xml:"max_link_gen"`
} `xml:"pcie_gen"`
LinkWidths struct {
MaxLinkWidth string `xml:"max_link_width"`
} `xml:"link_widths"`
} `xml:"pci_gpu_link_info"`
} `xml:"pci"`
Utilization struct {
GpuUtil string `xml:"gpu_util"`
MemoryUtil string `xml:"memory_util"`
EncoderUtil string `xml:"encoder_util"`
DecoderUtil string `xml:"decoder_util"`
} `xml:"utilization"`
FBMemoryUsage struct {
Total string `xml:"total"`
Reserved string `xml:"reserved"`
Used string `xml:"used"`
Free string `xml:"free"`
} `xml:"fb_memory_usage"`
Bar1MemoryUsage struct {
Total string `xml:"total"`
Used string `xml:"used"`
Free string `xml:"free"`
} `xml:"bar1_memory_usage"`
Temperature struct {
GpuTemp string `xml:"gpu_temp"`
GpuTempMaxThreshold string `xml:"gpu_temp_max_threshold"`
GpuTempSlowThreshold string `xml:"gpu_temp_slow_threshold"`
GpuTempMaxGpuThreshold string `xml:"gpu_temp_max_gpu_threshold"`
GpuTargetTemperature string `xml:"gpu_target_temperature"`
MemoryTemp string `xml:"memory_temp"`
GpuTempMaxMemThreshold string `xml:"gpu_temp_max_mem_threshold"`
} `xml:"temperature"`
Clocks struct {
GraphicsClock string `xml:"graphics_clock"`
SmClock string `xml:"sm_clock"`
MemClock string `xml:"mem_clock"`
VideoClock string `xml:"video_clock"`
} `xml:"clocks"`
PowerReadings *xmlPowerReadings `xml:"power_readings"`
GPUPowerReadings *xmlPowerReadings `xml:"gpu_power_readings"`
Voltage struct {
GraphicsVolt string `xml:"graphics_volt"`
} `xml:"voltage"`
Processes struct {
ProcessInfo []struct {
PID string `xml:"pid"`
ProcessName string `xml:"process_name"`
UsedMemory string `xml:"used_memory"`
} `sml:"process_info"`
} `xml:"processes"`
}
xmlPowerReadings struct {
//PowerState string `xml:"power_state"`
//PowerManagement string `xml:"power_management"`
PowerDraw string `xml:"power_draw"`
//PowerLimit string `xml:"power_limit"`
//DefaultPowerLimit string `xml:"default_power_limit"`
//EnforcedPowerLimit string `xml:"enforced_power_limit"`
//MinPowerLimit string `xml:"min_power_limit"`
//MaxPowerLimit string `xml:"max_power_limit"`
}
xmlMIGDeviceInfo struct {
Index string `xml:"index"`
GPUInstanceID string `xml:"gpu_instance_id"`
ComputeInstanceID string `xml:"compute_instance_id"`
DeviceAttributes struct {
Shared struct {
MultiprocessorCount string `xml:"multiprocessor_count"`
CopyEngineCount string `xml:"copy_engine_count"`
EncoderCount string `xml:"encoder_count"`
DecoderCount string `xml:"decoder_count"`
OFACount string `xml:"ofa_count"`
JPGCount string `xml:"jpg_count"`
} `xml:"shared"`
} `xml:"device_attributes"`
ECCErrorCount struct {
VolatileCount struct {
SRAMUncorrectable string `xml:"sram_uncorrectable"`
} `xml:"volatile_count"`
} `xml:"ecc_error_count"`
FBMemoryUsage struct {
Free string `xml:"free"`
Used string `xml:"used"`
Reserved string `xml:"reserved"`
} `xml:"fb_memory_usage"`
BAR1MemoryUsage struct {
Free string `xml:"free"`
Used string `xml:"used"`
} `xml:"bar1_memory_usage"`
}
)
|
