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Audio and video stutters

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Jan 5th, 2022
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  1. _________________________________________________________________________________________________________
  2. CONCLUSION
  3. _________________________________________________________________________________________________________
  4. Your system appears to be having trouble handling real-time audio and other tasks. You are likely to experience buffer underruns appearing as drop outs, clicks or pops. One or more ISR routines that belong to a driver running in your system appear to be executing for too long. One problem may be related to power management, disable CPU throttling settings in Control Panel and BIOS setup. Check for BIOS updates.
  5. LatencyMon has been analyzing your system for 3:18:57 (h:mm:ss) on all processors.
  6.  
  7.  
  8. _________________________________________________________________________________________________________
  9. SYSTEM INFORMATION
  10. _________________________________________________________________________________________________________
  11. Computer name:
  12. OS version: Windows 10, 10.0, version 2009, build: 19042 (x64)
  13. Hardware: B550M AORUS PRO-P, Gigabyte Technology Co., Ltd.
  14. BIOS: F14e
  15. CPU: AuthenticAMD AMD Ryzen 7 5800X 8-Core Processor
  16. Logical processors: 16
  17. Processor groups: 1
  18. Processor group size: 16
  19. RAM: 16289 MB total
  20.  
  21.  
  22. _________________________________________________________________________________________________________
  23. CPU SPEED
  24. _________________________________________________________________________________________________________
  25. Reported CPU speed (WMI): 3801 MHz
  26. Reported CPU speed (registry): 3793 MHz
  27.  
  28. Note: reported execution times may be calculated based on a fixed reported CPU speed. Disable variable speed settings like Intel Speed Step and AMD Cool N Quiet in the BIOS setup for more accurate results.
  29.  
  30.  
  31. _________________________________________________________________________________________________________
  32. MEASURED INTERRUPT TO USER PROCESS LATENCIES
  33. _________________________________________________________________________________________________________
  34. The interrupt to process latency reflects the measured interval that a usermode process needed to respond to a hardware request from the moment the interrupt service routine started execution. This includes the scheduling and execution of a DPC routine, the signaling of an event and the waking up of a usermode thread from an idle wait state in response to that event.
  35.  
  36. Highest measured interrupt to process latency (µs): 7597,30
  37. Average measured interrupt to process latency (µs): 3,413336
  38.  
  39. Highest measured interrupt to DPC latency (µs): 7592,50
  40. Average measured interrupt to DPC latency (µs): 1,326872
  41.  
  42.  
  43. _________________________________________________________________________________________________________
  44. REPORTED ISRs
  45. _________________________________________________________________________________________________________
  46. Interrupt service routines are routines installed by the OS and device drivers that execute in response to a hardware interrupt signal.
  47.  
  48. Highest ISR routine execution time (µs): 7610,739784
  49. Driver with highest ISR routine execution time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
  50.  
  51. Highest reported total ISR routine time (%): 0,064142
  52. Driver with highest ISR total time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
  53.  
  54. Total time spent in ISRs (%) 0,069254
  55.  
  56. ISR count (execution time <250 µs): 11103855
  57. ISR count (execution time 250-500 µs): 0
  58. ISR count (execution time 500-1000 µs): 1
  59. ISR count (execution time 1000-2000 µs): 2
  60. ISR count (execution time 2000-4000 µs): 0
  61. ISR count (execution time >=4000 µs): 0
  62.  
  63.  
  64. _________________________________________________________________________________________________________
  65. REPORTED DPCs
  66. _________________________________________________________________________________________________________
  67. DPC routines are part of the interrupt servicing dispatch mechanism and disable the possibility for a process to utilize the CPU while it is interrupted until the DPC has finished execution.
  68.  
  69. Highest DPC routine execution time (µs): 941,724756
  70. Driver with highest DPC routine execution time: nvlddmkm.sys - NVIDIA Windows Kernel Mode Driver, Version 497.29 , NVIDIA Corporation
  71.  
  72. Highest reported total DPC routine time (%): 0,023332
  73. Driver with highest DPC total execution time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
  74.  
  75. Total time spent in DPCs (%) 0,069279
  76.  
  77. DPC count (execution time <250 µs): 23841733
  78. DPC count (execution time 250-500 µs): 0
  79. DPC count (execution time 500-10000 µs): 18
  80. DPC count (execution time 1000-2000 µs): 0
  81. DPC count (execution time 2000-4000 µs): 0
  82. DPC count (execution time >=4000 µs): 0
  83.  
  84.  
  85. _________________________________________________________________________________________________________
  86. REPORTED HARD PAGEFAULTS
  87. _________________________________________________________________________________________________________
  88. Hard pagefaults are events that get triggered by making use of virtual memory that is not resident in RAM but backed by a memory mapped file on disk. The process of resolving the hard pagefault requires reading in the memory from disk while the process is interrupted and blocked from execution.
  89.  
  90. NOTE: some processes were hit by hard pagefaults. If these were programs producing audio, they are likely to interrupt the audio stream resulting in dropouts, clicks and pops. Check the Processes tab to see which programs were hit.
  91.  
  92. Process with highest pagefault count: nvcontainer.exe
  93.  
  94. Total number of hard pagefaults 252287
  95. Hard pagefault count of hardest hit process: 70520
  96. Number of processes hit: 204
  97.  
  98.  
  99. _________________________________________________________________________________________________________
  100. PER CPU DATA
  101. _________________________________________________________________________________________________________
  102. CPU 0 Interrupt cycle time (s): 359,136332
  103. CPU 0 ISR highest execution time (µs): 7610,739784
  104. CPU 0 ISR total execution time (s): 131,934759
  105. CPU 0 ISR count: 10388618
  106. CPU 0 DPC highest execution time (µs): 941,724756
  107. CPU 0 DPC total execution time (s): 124,197572
  108. CPU 0 DPC count: 21952939
  109. _________________________________________________________________________________________________________
  110. CPU 1 Interrupt cycle time (s): 24,198480
  111. CPU 1 ISR highest execution time (µs): 21,539678
  112. CPU 1 ISR total execution time (s): 0,062546
  113. CPU 1 ISR count: 79141
  114. CPU 1 DPC highest execution time (µs): 209,656209
  115. CPU 1 DPC total execution time (s): 0,984035
  116. CPU 1 DPC count: 121383
  117. _________________________________________________________________________________________________________
  118. CPU 2 Interrupt cycle time (s): 50,844915
  119. CPU 2 ISR highest execution time (µs): 9,547588
  120. CPU 2 ISR total execution time (s): 0,001704
  121. CPU 2 ISR count: 536
  122. CPU 2 DPC highest execution time (µs): 339,174796
  123. CPU 2 DPC total execution time (s): 2,990649
  124. CPU 2 DPC count: 518710
  125. _________________________________________________________________________________________________________
  126. CPU 3 Interrupt cycle time (s): 40,538193
  127. CPU 3 ISR highest execution time (µs): 0,0
  128. CPU 3 ISR total execution time (s): 0,0
  129. CPU 3 ISR count: 0
  130. CPU 3 DPC highest execution time (µs): 196,491959
  131. CPU 3 DPC total execution time (s): 0,593116
  132. CPU 3 DPC count: 195811
  133. _________________________________________________________________________________________________________
  134. CPU 4 Interrupt cycle time (s): 21,088528
  135. CPU 4 ISR highest execution time (µs): 0,0
  136. CPU 4 ISR total execution time (s): 0,0
  137. CPU 4 ISR count: 0
  138. CPU 4 DPC highest execution time (µs): 201,561297
  139. CPU 4 DPC total execution time (s): 0,171176
  140. CPU 4 DPC count: 79328
  141. _________________________________________________________________________________________________________
  142. CPU 5 Interrupt cycle time (s): 12,791633
  143. CPU 5 ISR highest execution time (µs): 0,0
  144. CPU 5 ISR total execution time (s): 0,0
  145. CPU 5 ISR count: 0
  146. CPU 5 DPC highest execution time (µs): 55,502241
  147. CPU 5 DPC total execution time (s): 0,001996
  148. CPU 5 DPC count: 937
  149. _________________________________________________________________________________________________________
  150. CPU 6 Interrupt cycle time (s): 16,307748
  151. CPU 6 ISR highest execution time (µs): 0,0
  152. CPU 6 ISR total execution time (s): 0,0
  153. CPU 6 ISR count: 0
  154. CPU 6 DPC highest execution time (µs): 54,189823
  155. CPU 6 DPC total execution time (s): 0,019522
  156. CPU 6 DPC count: 9740
  157. _________________________________________________________________________________________________________
  158. CPU 7 Interrupt cycle time (s): 11,268269
  159. CPU 7 ISR highest execution time (µs): 0,0
  160. CPU 7 ISR total execution time (s): 0,0
  161. CPU 7 ISR count: 0
  162. CPU 7 DPC highest execution time (µs): 45,924598
  163. CPU 7 DPC total execution time (s): 0,000837
  164. CPU 7 DPC count: 422
  165. _________________________________________________________________________________________________________
  166. CPU 8 Interrupt cycle time (s): 25,443530
  167. CPU 8 ISR highest execution time (µs): 0,0
  168. CPU 8 ISR total execution time (s): 0,0
  169. CPU 8 ISR count: 0
  170. CPU 8 DPC highest execution time (µs): 207,562352
  171. CPU 8 DPC total execution time (s): 0,530390
  172. CPU 8 DPC count: 198643
  173. _________________________________________________________________________________________________________
  174. CPU 9 Interrupt cycle time (s): 16,151412
  175. CPU 9 ISR highest execution time (µs): 0,0
  176. CPU 9 ISR total execution time (s): 0,0
  177. CPU 9 ISR count: 0
  178. CPU 9 DPC highest execution time (µs): 90,00580
  179. CPU 9 DPC total execution time (s): 0,011418
  180. CPU 9 DPC count: 3832
  181. _________________________________________________________________________________________________________
  182. CPU 10 Interrupt cycle time (s): 18,618395
  183. CPU 10 ISR highest execution time (µs): 0,0
  184. CPU 10 ISR total execution time (s): 0,0
  185. CPU 10 ISR count: 0
  186. CPU 10 DPC highest execution time (µs): 52,386501
  187. CPU 10 DPC total execution time (s): 0,067633
  188. CPU 10 DPC count: 27456
  189. _________________________________________________________________________________________________________
  190. CPU 11 Interrupt cycle time (s): 12,532421
  191. CPU 11 ISR highest execution time (µs): 0,0
  192. CPU 11 ISR total execution time (s): 0,0
  193. CPU 11 ISR count: 0
  194. CPU 11 DPC highest execution time (µs): 40,414448
  195. CPU 11 DPC total execution time (s): 0,002880
  196. CPU 11 DPC count: 1223
  197. _________________________________________________________________________________________________________
  198. CPU 12 Interrupt cycle time (s): 46,159681
  199. CPU 12 ISR highest execution time (µs): 30,476140
  200. CPU 12 ISR total execution time (s): 0,215618
  201. CPU 12 ISR count: 485755
  202. CPU 12 DPC highest execution time (µs): 194,608489
  203. CPU 12 DPC total execution time (s): 1,438876
  204. CPU 12 DPC count: 406459
  205. _________________________________________________________________________________________________________
  206. CPU 13 Interrupt cycle time (s): 36,938054
  207. CPU 13 ISR highest execution time (µs): 18,013182
  208. CPU 13 ISR total execution time (s): 0,022977
  209. CPU 13 ISR count: 44003
  210. CPU 13 DPC highest execution time (µs): 200,329027
  211. CPU 13 DPC total execution time (s): 1,152172
  212. CPU 13 DPC count: 291723
  213. _________________________________________________________________________________________________________
  214. CPU 14 Interrupt cycle time (s): 16,832907
  215. CPU 14 ISR highest execution time (µs): 7,65410
  216. CPU 14 ISR total execution time (s): 0,014081
  217. CPU 14 ISR count: 40967
  218. CPU 14 DPC highest execution time (µs): 192,214079
  219. CPU 14 DPC total execution time (s): 0,059339
  220. CPU 14 DPC count: 14479
  221. _________________________________________________________________________________________________________
  222. CPU 15 Interrupt cycle time (s): 17,403904
  223. CPU 15 ISR highest execution time (µs): 8,565779
  224. CPU 15 ISR total execution time (s): 0,019985
  225. CPU 15 ISR count: 64839
  226. CPU 15 DPC highest execution time (µs): 204,236225
  227. CPU 15 DPC total execution time (s): 0,097578
  228. CPU 15 DPC count: 18666
  229. _________________________________________________________________________________________________________
  230.  
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