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Jan 7th, 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 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 9:48:33 (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): 1896,90
  37. Average measured interrupt to process latency (µs): 3,269444
  38.  
  39. Highest measured interrupt to DPC latency (µs): 1894,80
  40. Average measured interrupt to DPC latency (µs): 1,267274
  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): 266,390720
  49. Driver with highest ISR routine execution time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
  50.  
  51. Highest reported total ISR routine time (%): 0,060936
  52. Driver with highest ISR total time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
  53.  
  54. Total time spent in ISRs (%) 0,065334
  55.  
  56. ISR count (execution time <250 µs): 27430016
  57. ISR count (execution time 250-500 µs): 0
  58. ISR count (execution time 500-1000 µs): 5
  59. ISR count (execution time 1000-2000 µs): 0
  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): 2270,943317
  70. Driver with highest DPC routine execution time: storport.sys - Microsoft Storage Port Driver, Microsoft Corporation
  71.  
  72. Highest reported total DPC routine time (%): 0,018423
  73. Driver with highest DPC total execution time: nvlddmkm.sys - NVIDIA Windows Kernel Mode Driver, Version 497.29 , NVIDIA Corporation
  74.  
  75. Total time spent in DPCs (%) 0,062751
  76.  
  77. DPC count (execution time <250 µs): 65286270
  78. DPC count (execution time 250-500 µs): 0
  79. DPC count (execution time 500-10000 µs): 110
  80. DPC count (execution time 1000-2000 µs): 0
  81. DPC count (execution time 2000-4000 µs): 1
  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: msmpeng.exe
  93.  
  94. Total number of hard pagefaults 340384
  95. Hard pagefault count of hardest hit process: 53419
  96. Number of processes hit: 223
  97.  
  98.  
  99. _________________________________________________________________________________________________________
  100. PER CPU DATA
  101. _________________________________________________________________________________________________________
  102. CPU 0 Interrupt cycle time (s): 1041,479675
  103. CPU 0 ISR highest execution time (µs): 266,390720
  104. CPU 0 ISR total execution time (s): 368,418687
  105. CPU 0 ISR count: 25914680
  106. CPU 0 DPC highest execution time (µs): 2270,943317
  107. CPU 0 DPC total execution time (s): 327,600772
  108. CPU 0 DPC count: 59453627
  109. _________________________________________________________________________________________________________
  110. CPU 1 Interrupt cycle time (s): 64,291240
  111. CPU 1 ISR highest execution time (µs): 49,651463
  112. CPU 1 ISR total execution time (s): 0,112917
  113. CPU 1 ISR count: 104117
  114. CPU 1 DPC highest execution time (µs): 156,217770
  115. CPU 1 DPC total execution time (s): 1,268307
  116. CPU 1 DPC count: 132815
  117. _________________________________________________________________________________________________________
  118. CPU 2 Interrupt cycle time (s): 148,268408
  119. CPU 2 ISR highest execution time (µs): 16,330082
  120. CPU 2 ISR total execution time (s): 0,011213
  121. CPU 2 ISR count: 3241
  122. CPU 2 DPC highest execution time (µs): 326,862114
  123. CPU 2 DPC total execution time (s): 14,878718
  124. CPU 2 DPC count: 2180338
  125. _________________________________________________________________________________________________________
  126. CPU 3 Interrupt cycle time (s): 112,818799
  127. CPU 3 ISR highest execution time (µs): 7,193251
  128. CPU 3 ISR total execution time (s): 0,000368
  129. CPU 3 ISR count: 94
  130. CPU 3 DPC highest execution time (µs): 272,702346
  131. CPU 3 DPC total execution time (s): 1,979753
  132. CPU 3 DPC count: 721720
  133. _________________________________________________________________________________________________________
  134. CPU 4 Interrupt cycle time (s): 61,138026
  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): 212,090693
  139. CPU 4 DPC total execution time (s): 0,283148
  140. CPU 4 DPC count: 137608
  141. _________________________________________________________________________________________________________
  142. CPU 5 Interrupt cycle time (s): 41,790376
  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): 48,599525
  147. CPU 5 DPC total execution time (s): 0,004982
  148. CPU 5 DPC count: 2163
  149. _________________________________________________________________________________________________________
  150. CPU 6 Interrupt cycle time (s): 48,918268
  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): 69,327709
  155. CPU 6 DPC total execution time (s): 0,086754
  156. CPU 6 DPC count: 26776
  157. _________________________________________________________________________________________________________
  158. CPU 7 Interrupt cycle time (s): 37,646922
  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): 190,310572
  163. CPU 7 DPC total execution time (s): 0,003685
  164. CPU 7 DPC count: 1262
  165. _________________________________________________________________________________________________________
  166. CPU 8 Interrupt cycle time (s): 69,433993
  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): 189,639336
  171. CPU 8 DPC total execution time (s): 0,921323
  172. CPU 8 DPC count: 340432
  173. _________________________________________________________________________________________________________
  174. CPU 9 Interrupt cycle time (s): 43,306729
  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): 63,126285
  179. CPU 9 DPC total execution time (s): 0,007935
  180. CPU 9 DPC count: 3357
  181. _________________________________________________________________________________________________________
  182. CPU 10 Interrupt cycle time (s): 52,371903
  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): 190,040074
  187. CPU 10 DPC total execution time (s): 0,144090
  188. CPU 10 DPC count: 57541
  189. _________________________________________________________________________________________________________
  190. CPU 11 Interrupt cycle time (s): 40,905416
  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): 85,597680
  195. CPU 11 DPC total execution time (s): 0,026026
  196. CPU 11 DPC count: 12366
  197. _________________________________________________________________________________________________________
  198. CPU 12 Interrupt cycle time (s): 129,185333
  199. CPU 12 ISR highest execution time (µs): 151,068284
  200. CPU 12 ISR total execution time (s): 0,493845
  201. CPU 12 ISR count: 1112316
  202. CPU 12 DPC highest execution time (µs): 279,084102
  203. CPU 12 DPC total execution time (s): 4,103998
  204. CPU 12 DPC count: 1248151
  205. _________________________________________________________________________________________________________
  206. CPU 13 Interrupt cycle time (s): 110,739189
  207. CPU 13 ISR highest execution time (µs): 25,306617
  208. CPU 13 ISR total execution time (s): 0,052296
  209. CPU 13 ISR count: 98642
  210. CPU 13 DPC highest execution time (µs): 280,687055
  211. CPU 13 DPC total execution time (s): 2,971939
  212. CPU 13 DPC count: 899542
  213. _________________________________________________________________________________________________________
  214. CPU 14 Interrupt cycle time (s): 50,585304
  215. CPU 14 ISR highest execution time (µs): 13,945689
  216. CPU 14 ISR total execution time (s): 0,025771
  217. CPU 14 ISR count: 80003
  218. CPU 14 DPC highest execution time (µs): 195,039283
  219. CPU 14 DPC total execution time (s): 0,137581
  220. CPU 14 DPC count: 37333
  221. _________________________________________________________________________________________________________
  222. CPU 15 Interrupt cycle time (s): 50,112041
  223. CPU 15 ISR highest execution time (µs): 92,650672
  224. CPU 15 ISR total execution time (s): 0,035253
  225. CPU 15 ISR count: 116928
  226. CPU 15 DPC highest execution time (µs): 183,978909
  227. CPU 15 DPC total execution time (s): 0,138528
  228. CPU 15 DPC count: 31350
  229. _________________________________________________________________________________________________________
  230.  
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