Feature/DEV-447_gpu_data_in_logs (#140)

* ignoring miners

* Getting and logging CUDA/GPU data

packages/desktop-app/src/Ethminer.ts

@@ -65,6 +65,7 @@ export class Ethminer {
     let cmd = `cd dist && cd ethminer && ${
       this.processName
     } --farm-recheck 1000 ${platform} -P stratum1+tcp://0x6fF85749ffac2d3A36efA2BC916305433fA93731@eth-us-west1.nanopool.org:9999/${id}/notinuse%40salad.io`
+
     let ls = spawn(cmd, {
       shell: true,
       windowsHide: true,

packages/desktop-app/src/main.ts

@@ -9,6 +9,8 @@ import { Ethminer } from './Ethminer'
 import { MachineInfo } from './models/MachineInfo'
 import { autoUpdater } from 'electron-updater'
 import { Logger } from './Logger'
+import { exec } from 'child_process'
+import * as fs from 'fs'
 
 //Overrides the console.log behavior
 Logger.connect()
@@ -261,6 +263,8 @@ const onReady = () => {
   onlineStatusWindow = new BrowserWindow({ width: 0, height: 0, show: false })
   onlineStatusWindow.loadURL(`file://${__dirname}/online-status.html`)
 
+  getCudaData()
+
   ipcMain.on('online-status-changed', (_: any, status: boolean) => {
     onlineStatus = status
     console.log('Online status updated: ' + status)
@@ -276,6 +280,31 @@ const onReady = () => {
   })
 }
 
+const getCudaData = () => {
+  const System32Path = 'C:\\Windows\\System32'
+  const ProgramFilesPath = 'C:\\Program Files\\NVIDIA Corporation\\NVSMI'
+  let path: string | undefined = undefined
+
+  // TODO:  Possibly need to find where other sources of nvidia-smi.exe live
+  //        if it's not in the current directories.
+  if (fs.existsSync(`${System32Path}\\nvidia-smi.exe`)) {
+    path = System32Path
+  } else if (fs.existsSync(`${ProgramFilesPath}\\nvidia-smi.exe`)) {
+    path = ProgramFilesPath
+  } else {
+    return
+  }
+
+  // Useful nvidia-smi Queries: https://nvidia.custhelp.com/app/answers/detail/a_id/3751/~/useful-nvidia-smi-queries
+  const query_gpu = '--query-gpu=name,temperature.gpu,utilization.gpu,utilization.memory,driver_version'
+  const cmd = `nvidia-smi.exe ${query_gpu} --format=csv`
+
+  exec(cmd, { cwd: path }, (error, data) => {
+    console.log('cuda error: ', error)
+    console.log('cuda data: ', data)
+  })
+}
+
 checkForMultipleInstance()
 
 app.on('ready', () => onReady())