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
|
use hashbrown::HashMap;
use nvml_wrapper::enum_wrappers::device::TemperatureSensor;
use nvml_wrapper::enums::device::UsedGpuMemory;
use nvml_wrapper::{error::NvmlError, Nvml};
use once_cell::sync::Lazy;
use crate::app::Filter;
use crate::app::layout_manager::UsedWidgets;
use crate::data_harvester::memory::MemHarvest;
use crate::data_harvester::temperature::{
convert_temp_unit, is_temp_filtered, TempHarvest, TemperatureType,
};
pub static NVML_DATA: Lazy<Result<Nvml, NvmlError>> = Lazy::new(Nvml::init);
pub struct GpusData {
pub memory: Option<Vec<(String, MemHarvest)>>,
pub temperature: Option<Vec<TempHarvest>>,
pub procs: Option<(u64, Vec<HashMap<u32, (u64, u32)>>)>,
}
/// Returns the GPU data from NVIDIA cards.
#[inline]
pub fn get_nvidia_vecs(
temp_type: &TemperatureType, filter: &Option<Filter>, widgets_to_harvest: &UsedWidgets,
) -> Option<GpusData> {
if let Ok(nvml) = &*NVML_DATA {
if let Ok(num_gpu) = nvml.device_count() {
let mut temp_vec = Vec::with_capacity(num_gpu as usize);
let mut mem_vec = Vec::with_capacity(num_gpu as usize);
let mut proc_vec = Vec::with_capacity(num_gpu as usize);
let mut total_mem = 0;
for i in 0..num_gpu {
if let Ok(device) = nvml.device_by_index(i) {
if let Ok(name) = device.name() {
if widgets_to_harvest.use_mem {
if let Ok(mem) = device.memory_info() {
mem_vec.push((
name.clone(),
MemHarvest {
total_bytes: mem.total,
used_bytes: mem.used,
use_percent: if mem.total == 0 {
None
} else {
Some(mem.used as f64 / mem.total as f64 * 100.0)
},
},
));
}
}
if widgets_to_harvest.use_temp && is_temp_filtered(filter, &name) {
if let Ok(temperature) = device.temperature(TemperatureSensor::Gpu) {
let temperature = temperature as f32;
let temperature = convert_temp_unit(temperature, temp_type);
temp_vec.push(TempHarvest {
name: name.clone(),
temperature,
});
}
}
}
if widgets_to_harvest.use_proc {
let mut procs = HashMap::new();
if let Ok(gpu_procs) = device.process_utilization_stats(None) {
for proc in gpu_procs {
let pid = proc.pid;
let gpu_util = proc.sm_util + proc.enc_util + proc.dec_util;
procs.insert(pid, (0, gpu_util));
}
}
if let Ok(compute_procs) = device.running_compute_processes() {
for proc in compute_procs {
let pid = proc.pid;
let gpu_mem = match proc.used_gpu_memory {
UsedGpuMemory::Used(val) => val,
UsedGpuMemory::Unavailable => 0,
};
if let Some(prev) = procs.get(&pid) {
procs.insert(pid, (gpu_mem, prev.1));
} else {
procs.insert(pid, (gpu_mem, 0));
}
}
}
// Use the legacy API too but prefer newer API results
if let Ok(graphics_procs) = device.running_graphics_processes_v2() {
for proc in graphics_procs {
let pid = proc.pid;
let gpu_mem = match proc.used_gpu_memory {
UsedGpuMemory::Used(val) => val,
UsedGpuMemory::Unavailable => 0,
};
if let Some(prev) = procs.get(&pid) {
procs.insert(pid, (gpu_mem, prev.1));
} else {
procs.insert(pid, (gpu_mem, 0));
}
}
}
if let Ok(graphics_procs) = device.running_graphics_processes() {
for proc in graphics_procs {
let pid = proc.pid;
let gpu_mem = match proc.used_gpu_memory {
UsedGpuMemory::Used(val) => val,
UsedGpuMemory::Unavailable => 0,
};
if let Some(prev) = procs.get(&pid) {
procs.insert(pid, (gpu_mem, prev.1));
} else {
procs.insert(pid, (gpu_mem, 0));
}
}
}
if !procs.is_empty() {
proc_vec.push(procs);
}
// running total for proc %
if let Ok(mem) = device.memory_info() {
total_mem += mem.total;
}
}
}
}
Some(GpusData {
memory: if !mem_vec.is_empty() {
Some(mem_vec)
} else {
None
},
temperature: if !temp_vec.is_empty() {
Some(temp_vec)
} else {
None
},
procs: if !proc_vec.is_empty() {
Some((total_mem, proc_vec))
} else {
None
},
})
} else {
None
}
} else {
None
}
}
|
