a lot of logs to pinpoint cpu usage on some systems

src/NadekoBot/Modules/Music/Music.cs

@@ -108,6 +108,7 @@ namespace NadekoBot.Modules.Music
             int index;
             try
             {
+                _log.Info("Added");
                 index = mp.Enqueue(songInfo);
             }
             catch (QueueFullException)
@@ -169,11 +170,13 @@ namespace NadekoBot.Modules.Music
         [RequireContext(ContextType.Guild)]
         public async Task Queue([Remainder] string query)
         {
+            _log.Info("Getting player");
             var mp = await _music.GetOrCreatePlayer(Context);
+            _log.Info("Resolving song");
             var songInfo = await _music.ResolveSong(query, Context.User.ToString());
-            
+            _log.Info("Queueing song");
             try { await InternalQueue(mp, songInfo, false); } catch (QueueFullException) { return; }
-
+            _log.Info("--------------");
             if ((await Context.Guild.GetCurrentUserAsync()).GetPermissions((IGuildChannel)Context.Channel).ManageMessages)
             {
                 Context.Message.DeleteAfter(10);

src/NadekoBot/Services/Music/MusicPlayer.cs

@@ -156,6 +156,7 @@ namespace NadekoBot.Services.Music
                      _log.Info("Starting");
                      using (var b = new SongBuffer(await data.Song.Uri(), ""))
                      {
+                         _log.Info("Created buffer, buffering...");
                          AudioOutStream pcm = null;
                          try
                          {
@@ -171,16 +172,19 @@ namespace NadekoBot.Services.Music
                                  _log.Info("Buffering failed due to a cancel or error.");
                                  continue;
                              }
-
+                             _log.Info("Buffered. Getting audio client...");
                              var ac = await GetAudioClient();
+                             _log.Info("Got Audio client");
                              if (ac == null)
                              {
+                                 _log.Info("Can't join");
                                  await Task.Delay(900, cancelToken);
                                  // just wait some time, maybe bot doesn't even have perms to join that voice channel, 
                                  // i don't want to spam connection attempts
                                  continue;
                              }
                              pcm = ac.CreatePCMStream(AudioApplication.Music, bufferMillis: 500);
+                             _log.Info("Created pcm stream");
                              OnStarted?.Invoke(this, data);
 
                              byte[] buffer = new byte[3840];
@@ -189,6 +193,7 @@ namespace NadekoBot.Services.Music
                              while ((bytesRead = b.Read(buffer, 0, buffer.Length)) > 0
                              && (MaxPlaytimeSeconds <= 0 || MaxPlaytimeSeconds >= CurrentTime.TotalSeconds))
                              {
+                                 _log.Info("Sending stuff");
                                  AdjustVolume(buffer, Volume);
                                  await pcm.WriteAsync(buffer, 0, bytesRead, cancelToken).ConfigureAwait(false);
                                  unchecked { _bytesSent += bytesRead; }
@@ -309,6 +314,7 @@ namespace NadekoBot.Services.Music
                      do
                      {
                          await Task.Delay(500);
+                         _log.Info("Waiting for something to happen");
                      }
                      while ((Queue.Count == 0 || Stopped) && !Exited);
                  }

src/NadekoBot/Services/Music/MusicService.cs

@@ -282,6 +282,7 @@ namespace NadekoBot.Services.Music
 
         public async Task<SongInfo> ResolveYoutubeSong(string query, string queuerName)
         {
+            _log.Info("Getting video");
             var (link, video) = await GetYoutubeVideo(query);
 
             if (video == null) // do something with this error
@@ -293,7 +294,8 @@ namespace NadekoBot.Services.Music
             //int gotoTime = 0;
             //if (m.Captures.Count > 0)
             //    int.TryParse(m.Groups["t"].ToString(), out gotoTime);
-            
+
+            _log.Info("Creating song info");
             var song = new SongInfo
             {
                 Title = video.Title.Substring(0, video.Title.Length - 10), // removing trailing "- You Tube"
@@ -314,12 +316,14 @@ namespace NadekoBot.Services.Music
 
         private async Task<(string, YouTubeVideo)> GetYoutubeVideo(string query)
         {
+            _log.Info("Getting link");
             var link = (await _google.GetVideoLinksByKeywordAsync(query).ConfigureAwait(false)).FirstOrDefault();
             if (string.IsNullOrWhiteSpace(link))
             {
                 _log.Info("No song found.");
                 return (null, null);
             }
+            _log.Info("Getting all videos");
             var allVideos = await Task.Run(async () => { try { return await YouTube.Default.GetAllVideosAsync(link).ConfigureAwait(false); } catch { return Enumerable.Empty<YouTubeVideo>(); } }).ConfigureAwait(false);
             var videos = allVideos.Where(v => v.AdaptiveKind == AdaptiveKind.Audio);
             var video = videos