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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 DPC 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 0:09:42 (h:mm:ss) on all processors.
  6.  
  7.  
  8. _________________________________________________________________________________________________________
  9. SYSTEM INFORMATION
  10. _________________________________________________________________________________________________________
  11. Computer name: DESKTOP-814H2KM
  12. OS version: Windows 10, 10.0, version 2009, build: 19042 (x64)
  13. Hardware: MS-7C02, Micro-Star International Co., Ltd
  14. CPU: AuthenticAMD AMD Ryzen 7 3700X 8-Core Processor
  15. Logical processors: 16
  16. Processor groups: 1
  17. RAM: 16309 MB total
  18.  
  19.  
  20. _________________________________________________________________________________________________________
  21. CPU SPEED
  22. _________________________________________________________________________________________________________
  23. Reported CPU speed: 360 MHz
  24.  
  25. 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.
  26.  
  27.  
  28. _________________________________________________________________________________________________________
  29. MEASURED INTERRUPT TO USER PROCESS LATENCIES
  30. _________________________________________________________________________________________________________
  31. 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.
  32.  
  33. Highest measured interrupt to process latency (µs): 3351,60
  34. Average measured interrupt to process latency (µs): 9,041469
  35.  
  36. Highest measured interrupt to DPC latency (µs): 3348,70
  37. Average measured interrupt to DPC latency (µs): 5,379875
  38.  
  39.  
  40. _________________________________________________________________________________________________________
  41. REPORTED ISRs
  42. _________________________________________________________________________________________________________
  43. Interrupt service routines are routines installed by the OS and device drivers that execute in response to a hardware interrupt signal.
  44.  
  45. Highest ISR routine execution time (µs): 93,810
  46. Driver with highest ISR routine execution time: HDAudBus.sys - High Definition Audio Bus Driver, Microsoft Corporation
  47.  
  48. Highest reported total ISR routine time (%): 0,000471
  49. Driver with highest ISR total time: Wdf01000.sys - Kernelmodustreiber-Frameworklaufzeit, Microsoft Corporation
  50.  
  51. Total time spent in ISRs (%) 0,000936
  52.  
  53. ISR count (execution time <250 µs): 90446
  54. ISR count (execution time 250-500 µs): 0
  55. ISR count (execution time 500-1000 µs): 0
  56. ISR count (execution time 1000-2000 µs): 0
  57. ISR count (execution time 2000-4000 µs): 0
  58. ISR count (execution time >=4000 µs): 0
  59.  
  60.  
  61. _________________________________________________________________________________________________________
  62. REPORTED DPCs
  63. _________________________________________________________________________________________________________
  64. 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.
  65.  
  66. Highest DPC routine execution time (µs): 3867,530
  67. Driver with highest DPC routine execution time: nvlddmkm.sys - NVIDIA Windows Kernel Mode Driver, Version 466.77 , NVIDIA Corporation
  68.  
  69. Highest reported total DPC routine time (%): 0,061671
  70. Driver with highest DPC total execution time: nvlddmkm.sys - NVIDIA Windows Kernel Mode Driver, Version 466.77 , NVIDIA Corporation
  71.  
  72. Total time spent in DPCs (%) 0,103675
  73.  
  74. DPC count (execution time <250 µs): 875327
  75. DPC count (execution time 250-500 µs): 0
  76. DPC count (execution time 500-10000 µs): 29
  77. DPC count (execution time 1000-2000 µs): 16
  78. DPC count (execution time 2000-4000 µs): 982
  79. DPC count (execution time >=4000 µs): 0
  80.  
  81.  
  82. _________________________________________________________________________________________________________
  83. REPORTED HARD PAGEFAULTS
  84. _________________________________________________________________________________________________________
  85. 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.
  86.  
  87. 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.
  88.  
  89. Process with highest pagefault count: chrome.exe
  90.  
  91. Total number of hard pagefaults 2683
  92. Hard pagefault count of hardest hit process: 885
  93. Number of processes hit: 65
  94.  
  95.  
  96. _________________________________________________________________________________________________________
  97. PER CPU DATA
  98. _________________________________________________________________________________________________________
  99. CPU 0 Interrupt cycle time (s): 29,369334
  100. CPU 0 ISR highest execution time (µs): 93,810
  101. CPU 0 ISR total execution time (s): 0,056529
  102. CPU 0 ISR count: 32207
  103. CPU 0 DPC highest execution time (µs): 3867,530
  104. CPU 0 DPC total execution time (s): 9,011881
  105. CPU 0 DPC count: 713352
  106. _________________________________________________________________________________________________________
  107. CPU 1 Interrupt cycle time (s): 1,551010
  108. CPU 1 ISR highest execution time (µs): 11,860
  109. CPU 1 ISR total execution time (s): 0,010263
  110. CPU 1 ISR count: 13773
  111. CPU 1 DPC highest execution time (µs): 82,320
  112. CPU 1 DPC total execution time (s): 0,165064
  113. CPU 1 DPC count: 16717
  114. _________________________________________________________________________________________________________
  115. CPU 2 Interrupt cycle time (s): 1,021697
  116. CPU 2 ISR highest execution time (µs): 3,640
  117. CPU 2 ISR total execution time (s): 0,000210
  118. CPU 2 ISR count: 219
  119. CPU 2 DPC highest execution time (µs): 183,160
  120. CPU 2 DPC total execution time (s): 0,031310
  121. CPU 2 DPC count: 6693
  122. _________________________________________________________________________________________________________
  123. CPU 3 Interrupt cycle time (s): 0,814020
  124. CPU 3 ISR highest execution time (µs): 0,0
  125. CPU 3 ISR total execution time (s): 0,0
  126. CPU 3 ISR count: 0
  127. CPU 3 DPC highest execution time (µs): 62,980
  128. CPU 3 DPC total execution time (s): 0,012928
  129. CPU 3 DPC count: 2534
  130. _________________________________________________________________________________________________________
  131. CPU 4 Interrupt cycle time (s): 1,226292
  132. CPU 4 ISR highest execution time (µs): 0,0
  133. CPU 4 ISR total execution time (s): 0,0
  134. CPU 4 ISR count: 0
  135. CPU 4 DPC highest execution time (µs): 144,550
  136. CPU 4 DPC total execution time (s): 0,046482
  137. CPU 4 DPC count: 40835
  138. _________________________________________________________________________________________________________
  139. CPU 5 Interrupt cycle time (s): 0,817172
  140. CPU 5 ISR highest execution time (µs): 0,0
  141. CPU 5 ISR total execution time (s): 0,0
  142. CPU 5 ISR count: 0
  143. CPU 5 DPC highest execution time (µs): 91,830
  144. CPU 5 DPC total execution time (s): 0,002396
  145. CPU 5 DPC count: 635
  146. _________________________________________________________________________________________________________
  147. CPU 6 Interrupt cycle time (s): 0,744619
  148. CPU 6 ISR highest execution time (µs): 0,0
  149. CPU 6 ISR total execution time (s): 0,0
  150. CPU 6 ISR count: 0
  151. CPU 6 DPC highest execution time (µs): 45,530
  152. CPU 6 DPC total execution time (s): 0,003816
  153. CPU 6 DPC count: 3184
  154. _________________________________________________________________________________________________________
  155. CPU 7 Interrupt cycle time (s): 0,685425
  156. CPU 7 ISR highest execution time (µs): 0,0
  157. CPU 7 ISR total execution time (s): 0,0
  158. CPU 7 ISR count: 0
  159. CPU 7 DPC highest execution time (µs): 29,910
  160. CPU 7 DPC total execution time (s): 0,000768
  161. CPU 7 DPC count: 229
  162. _________________________________________________________________________________________________________
  163. CPU 8 Interrupt cycle time (s): 0,590999
  164. CPU 8 ISR highest execution time (µs): 0,0
  165. CPU 8 ISR total execution time (s): 0,0
  166. CPU 8 ISR count: 0
  167. CPU 8 DPC highest execution time (µs): 74,720
  168. CPU 8 DPC total execution time (s): 0,001439
  169. CPU 8 DPC count: 469
  170. _________________________________________________________________________________________________________
  171. CPU 9 Interrupt cycle time (s): 0,620307
  172. CPU 9 ISR highest execution time (µs): 0,0
  173. CPU 9 ISR total execution time (s): 0,0
  174. CPU 9 ISR count: 0
  175. CPU 9 DPC highest execution time (µs): 71,190
  176. CPU 9 DPC total execution time (s): 0,002058
  177. CPU 9 DPC count: 438
  178. _________________________________________________________________________________________________________
  179. CPU 10 Interrupt cycle time (s): 0,799558
  180. CPU 10 ISR highest execution time (µs): 0,0
  181. CPU 10 ISR total execution time (s): 0,0
  182. CPU 10 ISR count: 0
  183. CPU 10 DPC highest execution time (µs): 76,130
  184. CPU 10 DPC total execution time (s): 0,008766
  185. CPU 10 DPC count: 2781
  186. _________________________________________________________________________________________________________
  187. CPU 11 Interrupt cycle time (s): 0,643522
  188. CPU 11 ISR highest execution time (µs): 0,0
  189. CPU 11 ISR total execution time (s): 0,0
  190. CPU 11 ISR count: 0
  191. CPU 11 DPC highest execution time (µs): 43,360
  192. CPU 11 DPC total execution time (s): 0,000753
  193. CPU 11 DPC count: 280
  194. _________________________________________________________________________________________________________
  195. CPU 12 Interrupt cycle time (s): 1,410043
  196. CPU 12 ISR highest execution time (µs): 4,310
  197. CPU 12 ISR total execution time (s): 0,018126
  198. CPU 12 ISR count: 40031
  199. CPU 12 DPC highest execution time (µs): 87,360
  200. CPU 12 DPC total execution time (s): 0,088729
  201. CPU 12 DPC count: 19792
  202. _________________________________________________________________________________________________________
  203. CPU 13 Interrupt cycle time (s): 4,148272
  204. CPU 13 ISR highest execution time (µs): 1,830
  205. CPU 13 ISR total execution time (s): 0,001328
  206. CPU 13 ISR count: 2717
  207. CPU 13 DPC highest execution time (µs): 182,450
  208. CPU 13 DPC total execution time (s): 0,267412
  209. CPU 13 DPC count: 65589
  210. _________________________________________________________________________________________________________
  211. CPU 14 Interrupt cycle time (s): 0,750952
  212. CPU 14 ISR highest execution time (µs): 1,140
  213. CPU 14 ISR total execution time (s): 0,000341
  214. CPU 14 ISR count: 613
  215. CPU 14 DPC highest execution time (µs): 87,070
  216. CPU 14 DPC total execution time (s): 0,012899
  217. CPU 14 DPC count: 2163
  218. _________________________________________________________________________________________________________
  219. CPU 15 Interrupt cycle time (s): 0,741003
  220. CPU 15 ISR highest execution time (µs): 4,780
  221. CPU 15 ISR total execution time (s): 0,000457
  222. CPU 15 ISR count: 886
  223. CPU 15 DPC highest execution time (µs): 47,230
  224. CPU 15 DPC total execution time (s): 0,003976
  225. CPU 15 DPC count: 663
  226. _________________________________________________________________________________________________________
  227.  
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