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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. Also 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 0:12:33 (h:mm:ss) on all processors.
  6.  
  7.  
  8. _________________________________________________________________________________________________________
  9. SYSTEM INFORMATION
  10. _________________________________________________________________________________________________________
  11. Computer name: ARNEWEISE
  12. OS version: Windows 11, 10.0, version 2009, build: 22621 (x64)
  13. Hardware:
  14. BIOS: 0613
  15. CPU: AuthenticAMD AMD Ryzen 7 7700X 8-Core Processor
  16. Logical processors: 16
  17. Processor groups: 1
  18. Processor group size: 16
  19. RAM: 31892 MB total
  20.  
  21.  
  22. _________________________________________________________________________________________________________
  23. CPU SPEED
  24. _________________________________________________________________________________________________________
  25. Reported CPU speed (WMI): 4501 MHz
  26. Reported CPU speed (registry): 4491 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): 2649,0
  37. Average measured interrupt to process latency (µs): 7,152336
  38.  
  39. Highest measured interrupt to DPC latency (µs): 2645,60
  40. Average measured interrupt to DPC latency (µs): 1,809979
  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): 1200,601202
  49. Driver with highest ISR routine execution time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
  50.  
  51. Highest reported total ISR routine time (%): 0,029817
  52. Driver with highest ISR total time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
  53.  
  54. Total time spent in ISRs (%) 0,030691
  55.  
  56. ISR count (execution time <250 µs): 234623
  57. ISR count (execution time 250-500 µs): 0
  58. ISR count (execution time 500-1000 µs): 2
  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): 3538,787575
  70. Driver with highest DPC routine execution time: nvlddmkm.sys - NVIDIA Windows Kernel Mode Driver, Version 527.56 , NVIDIA Corporation
  71.  
  72. Highest reported total DPC routine time (%): 0,012827
  73. Driver with highest DPC total execution time: nvlddmkm.sys - NVIDIA Windows Kernel Mode Driver, Version 527.56 , NVIDIA Corporation
  74.  
  75. Total time spent in DPCs (%) 0,034466
  76.  
  77. DPC count (execution time <250 µs): 544609
  78. DPC count (execution time 250-500 µs): 0
  79. DPC count (execution time 500-10000 µs): 536
  80. DPC count (execution time 1000-2000 µs): 5
  81. DPC count (execution time 2000-4000 µs): 3
  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: firefox.exe
  93.  
  94. Total number of hard pagefaults 384
  95. Hard pagefault count of hardest hit process: 231
  96. Number of processes hit: 20
  97.  
  98.  
  99. _________________________________________________________________________________________________________
  100. PER CPU DATA
  101. _________________________________________________________________________________________________________
  102. CPU 0 Interrupt cycle time (s): 20,25650
  103. CPU 0 ISR highest execution time (µs): 1200,601202
  104. CPU 0 ISR total execution time (s): 3,701374
  105. CPU 0 ISR count: 234627
  106. CPU 0 DPC highest execution time (µs): 3538,787575
  107. CPU 0 DPC total execution time (s): 3,699351
  108. CPU 0 DPC count: 483292
  109. _________________________________________________________________________________________________________
  110. CPU 1 Interrupt cycle time (s): 4,110155
  111. CPU 1 ISR highest execution time (µs): 0,0
  112. CPU 1 ISR total execution time (s): 0,0
  113. CPU 1 ISR count: 0
  114. CPU 1 DPC highest execution time (µs): 27,565130
  115. CPU 1 DPC total execution time (s): 0,000480
  116. CPU 1 DPC count: 135
  117. _________________________________________________________________________________________________________
  118. CPU 2 Interrupt cycle time (s): 6,472482
  119. CPU 2 ISR highest execution time (µs): 0,0
  120. CPU 2 ISR total execution time (s): 0,0
  121. CPU 2 ISR count: 0
  122. CPU 2 DPC highest execution time (µs): 75,801603
  123. CPU 2 DPC total execution time (s): 0,050492
  124. CPU 2 DPC count: 11551
  125. _________________________________________________________________________________________________________
  126. CPU 3 Interrupt cycle time (s): 4,365391
  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): 123,136273
  131. CPU 3 DPC total execution time (s): 0,279068
  132. CPU 3 DPC count: 28646
  133. _________________________________________________________________________________________________________
  134. CPU 4 Interrupt cycle time (s): 0,721654
  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): 42,515030
  139. CPU 4 DPC total execution time (s): 0,000832
  140. CPU 4 DPC count: 174
  141. _________________________________________________________________________________________________________
  142. CPU 5 Interrupt cycle time (s): 0,721597
  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): 39,448898
  147. CPU 5 DPC total execution time (s): 0,000329
  148. CPU 5 DPC count: 72
  149. _________________________________________________________________________________________________________
  150. CPU 6 Interrupt cycle time (s): 2,406740
  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): 51,342685
  155. CPU 6 DPC total execution time (s): 0,003468
  156. CPU 6 DPC count: 926
  157. _________________________________________________________________________________________________________
  158. CPU 7 Interrupt cycle time (s): 2,265134
  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): 49,509018
  163. CPU 7 DPC total execution time (s): 0,002824
  164. CPU 7 DPC count: 802
  165. _________________________________________________________________________________________________________
  166. CPU 8 Interrupt cycle time (s): 0,879247
  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): 55,951904
  171. CPU 8 DPC total execution time (s): 0,001393
  172. CPU 8 DPC count: 386
  173. _________________________________________________________________________________________________________
  174. CPU 9 Interrupt cycle time (s): 0,865474
  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): 50,931864
  179. CPU 9 DPC total execution time (s): 0,001144
  180. CPU 9 DPC count: 303
  181. _________________________________________________________________________________________________________
  182. CPU 10 Interrupt cycle time (s): 1,403664
  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): 55,821643
  187. CPU 10 DPC total execution time (s): 0,002171
  188. CPU 10 DPC count: 580
  189. _________________________________________________________________________________________________________
  190. CPU 11 Interrupt cycle time (s): 1,354613
  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): 50,721443
  195. CPU 11 DPC total execution time (s): 0,001899
  196. CPU 11 DPC count: 436
  197. _________________________________________________________________________________________________________
  198. CPU 12 Interrupt cycle time (s): 3,574313
  199. CPU 12 ISR highest execution time (µs): 0,0
  200. CPU 12 ISR total execution time (s): 0,0
  201. CPU 12 ISR count: 0
  202. CPU 12 DPC highest execution time (µs): 59,268537
  203. CPU 12 DPC total execution time (s): 0,008286
  204. CPU 12 DPC count: 1748
  205. _________________________________________________________________________________________________________
  206. CPU 13 Interrupt cycle time (s): 3,428004
  207. CPU 13 ISR highest execution time (µs): 0,0
  208. CPU 13 ISR total execution time (s): 0,0
  209. CPU 13 ISR count: 0
  210. CPU 13 DPC highest execution time (µs): 64,058116
  211. CPU 13 DPC total execution time (s): 0,007256
  212. CPU 13 DPC count: 1371
  213. _________________________________________________________________________________________________________
  214. CPU 14 Interrupt cycle time (s): 5,269829
  215. CPU 14 ISR highest execution time (µs): 0,0
  216. CPU 14 ISR total execution time (s): 0,0
  217. CPU 14 ISR count: 0
  218. CPU 14 DPC highest execution time (µs): 106,783567
  219. CPU 14 DPC total execution time (s): 0,047630
  220. CPU 14 DPC count: 7967
  221. _________________________________________________________________________________________________________
  222. CPU 15 Interrupt cycle time (s): 4,213965
  223. CPU 15 ISR highest execution time (µs): 0,0
  224. CPU 15 ISR total execution time (s): 0,0
  225. CPU 15 ISR count: 0
  226. CPU 15 DPC highest execution time (µs): 68,927856
  227. CPU 15 DPC total execution time (s): 0,05010
  228. CPU 15 DPC count: 6764
  229. _________________________________________________________________________________________________________
  230.  
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