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LatencyMonStatsDELLXPS8950

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Aug 22nd, 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 0:31:39 (h:mm:ss) on all processors.
  6.  
  7.  
  8. _________________________________________________________________________________________________________
  9. SYSTEM INFORMATION
  10. _________________________________________________________________________________________________________
  11. Computer name:
  12. OS version: Windows 11, 10.0, version 2009, build: 22000 (x64)
  13. Hardware: XPS 8950, Dell Inc.
  14. BIOS: 1.5.0
  15. CPU: GenuineIntel 12th Gen Intel(R) Core(TM) i7-12700K
  16. Logical processors: 20
  17. Processor groups: 1
  18. Processor group size: 20
  19. RAM: 32492 MB total
  20.  
  21.  
  22. _________________________________________________________________________________________________________
  23. CPU SPEED
  24. _________________________________________________________________________________________________________
  25. Reported CPU speed (WMI): 360 MHz
  26. Reported CPU speed (registry): 3610 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): 741.90
  37. Average measured interrupt to process latency (µs): 9.604457
  38.  
  39. Highest measured interrupt to DPC latency (µs): 683.0
  40. Average measured interrupt to DPC latency (µs): 2.590770
  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): 277.218837
  49. Driver with highest ISR routine execution time: HDAudBus.sys - High Definition Audio Bus Driver, Microsoft Corporation
  50.  
  51. Highest reported total ISR routine time (%): 0.001535
  52. Driver with highest ISR total time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation
  53.  
  54. Total time spent in ISRs (%) 0.002640
  55.  
  56. ISR count (execution time <250 µs): 607353
  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): 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): 4500.742936
  70. Driver with highest DPC routine execution time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation
  71.  
  72. Highest reported total DPC routine time (%): 0.034702
  73. Driver with highest DPC total execution time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation
  74.  
  75. Total time spent in DPCs (%) 0.051712
  76.  
  77. DPC count (execution time <250 µs): 1171709
  78. DPC count (execution time 250-500 µs): 0
  79. DPC count (execution time 500-10000 µs): 24
  80. DPC count (execution time 1000-2000 µs): 0
  81. DPC count (execution time 2000-4000 µs): 3
  82. DPC count (execution time >=4000 µs): 2
  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: chrome.exe
  93.  
  94. Total number of hard pagefaults 1614
  95. Hard pagefault count of hardest hit process: 255
  96. Number of processes hit: 50
  97.  
  98.  
  99. _________________________________________________________________________________________________________
  100. PER CPU DATA
  101. _________________________________________________________________________________________________________
  102. CPU 0 Interrupt cycle time (s): 6.195072
  103. CPU 0 ISR highest execution time (µs): 109.239335
  104. CPU 0 ISR total execution time (s): 0.024588
  105. CPU 0 ISR count: 11756
  106. CPU 0 DPC highest execution time (µs): 4500.742936
  107. CPU 0 DPC total execution time (s): 0.123440
  108. CPU 0 DPC count: 18895
  109. _________________________________________________________________________________________________________
  110. CPU 1 Interrupt cycle time (s): 5.374494
  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): 500.735734
  115. CPU 1 DPC total execution time (s): 0.053403
  116. CPU 1 DPC count: 5791
  117. _________________________________________________________________________________________________________
  118. CPU 2 Interrupt cycle time (s): 4.839617
  119. CPU 2 ISR highest execution time (µs): 5.926870
  120. CPU 2 ISR total execution time (s): 0.000257
  121. CPU 2 ISR count: 51
  122. CPU 2 DPC highest execution time (µs): 566.457618
  123. CPU 2 DPC total execution time (s): 0.114056
  124. CPU 2 DPC count: 10956
  125. _________________________________________________________________________________________________________
  126. CPU 3 Interrupt cycle time (s): 5.264824
  127. CPU 3 ISR highest execution time (µs): 102.856510
  128. CPU 3 ISR total execution time (s): 0.001819
  129. CPU 3 ISR count: 619
  130. CPU 3 DPC highest execution time (µs): 131.191690
  131. CPU 3 DPC total execution time (s): 0.018439
  132. CPU 3 DPC count: 1164
  133. _________________________________________________________________________________________________________
  134. CPU 4 Interrupt cycle time (s): 5.487554
  135. CPU 4 ISR highest execution time (µs): 53.691967
  136. CPU 4 ISR total execution time (s): 0.061360
  137. CPU 4 ISR count: 26606
  138. CPU 4 DPC highest execution time (µs): 180.834903
  139. CPU 4 DPC total execution time (s): 0.089598
  140. CPU 4 DPC count: 26979
  141. _________________________________________________________________________________________________________
  142. CPU 5 Interrupt cycle time (s): 5.72110
  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): 215.480886
  147. CPU 5 DPC total execution time (s): 0.016130
  148. CPU 5 DPC count: 1690
  149. _________________________________________________________________________________________________________
  150. CPU 6 Interrupt cycle time (s): 5.123925
  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): 571.587812
  155. CPU 6 DPC total execution time (s): 0.069295
  156. CPU 6 DPC count: 7091
  157. _________________________________________________________________________________________________________
  158. CPU 7 Interrupt cycle time (s): 5.296653
  159. CPU 7 ISR highest execution time (µs): 110.629363
  160. CPU 7 ISR total execution time (s): 0.001054
  161. CPU 7 ISR count: 663
  162. CPU 7 DPC highest execution time (µs): 122.154571
  163. CPU 7 DPC total execution time (s): 0.021337
  164. CPU 7 DPC count: 1065
  165. _________________________________________________________________________________________________________
  166. CPU 8 Interrupt cycle time (s): 26.619517
  167. CPU 8 ISR highest execution time (µs): 222.116898
  168. CPU 8 ISR total execution time (s): 0.490087
  169. CPU 8 ISR count: 318565
  170. CPU 8 DPC highest execution time (µs): 2950.278116
  171. CPU 8 DPC total execution time (s): 8.460792
  172. CPU 8 DPC count: 454770
  173. _________________________________________________________________________________________________________
  174. CPU 9 Interrupt cycle time (s): 14.654584
  175. CPU 9 ISR highest execution time (µs): 9.746260
  176. CPU 9 ISR total execution time (s): 0.000385
  177. CPU 9 ISR count: 53
  178. CPU 9 DPC highest execution time (µs): 398.484211
  179. CPU 9 DPC total execution time (s): 1.418521
  180. CPU 9 DPC count: 114766
  181. _________________________________________________________________________________________________________
  182. CPU 10 Interrupt cycle time (s): 4.655447
  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): 131.092521
  187. CPU 10 DPC total execution time (s): 0.020993
  188. CPU 10 DPC count: 2738
  189. _________________________________________________________________________________________________________
  190. CPU 11 Interrupt cycle time (s): 5.007087
  191. CPU 11 ISR highest execution time (µs): 112.099169
  192. CPU 11 ISR total execution time (s): 0.001126
  193. CPU 11 ISR count: 641
  194. CPU 11 DPC highest execution time (µs): 141.447645
  195. CPU 11 DPC total execution time (s): 0.025668
  196. CPU 11 DPC count: 1345
  197. _________________________________________________________________________________________________________
  198. CPU 12 Interrupt cycle time (s): 23.795161
  199. CPU 12 ISR highest execution time (µs): 143.758449
  200. CPU 12 ISR total execution time (s): 0.354782
  201. CPU 12 ISR count: 223269
  202. CPU 12 DPC highest execution time (µs): 316.932410
  203. CPU 12 DPC total execution time (s): 6.401214
  204. CPU 12 DPC count: 375748
  205. _________________________________________________________________________________________________________
  206. CPU 13 Interrupt cycle time (s): 14.609592
  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): 212.859280
  211. CPU 13 DPC total execution time (s): 1.305209
  212. CPU 13 DPC count: 105975
  213. _________________________________________________________________________________________________________
  214. CPU 14 Interrupt cycle time (s): 4.589651
  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): 154.129086
  219. CPU 14 DPC total execution time (s): 0.027829
  220. CPU 14 DPC count: 3559
  221. _________________________________________________________________________________________________________
  222. CPU 15 Interrupt cycle time (s): 5.171693
  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): 123.450416
  227. CPU 15 DPC total execution time (s): 0.003196
  228. CPU 15 DPC count: 326
  229. _________________________________________________________________________________________________________
  230. CPU 16 Interrupt cycle time (s): 16.657218
  231. CPU 16 ISR highest execution time (µs): 277.218837
  232. CPU 16 ISR total execution time (s): 0.065522
  233. CPU 16 ISR count: 24450
  234. CPU 16 DPC highest execution time (µs): 213.615512
  235. CPU 16 DPC total execution time (s): 1.286262
  236. CPU 16 DPC count: 29031
  237. _________________________________________________________________________________________________________
  238. CPU 17 Interrupt cycle time (s): 10.703911
  239. CPU 17 ISR highest execution time (µs): 0.0
  240. CPU 17 ISR total execution time (s): 0.0
  241. CPU 17 ISR count: 0
  242. CPU 17 DPC highest execution time (µs): 653.319668
  243. CPU 17 DPC total execution time (s): 0.146267
  244. CPU 17 DPC count: 6730
  245. _________________________________________________________________________________________________________
  246. CPU 18 Interrupt cycle time (s): 4.426966
  247. CPU 18 ISR highest execution time (µs): 0.0
  248. CPU 18 ISR total execution time (s): 0.0
  249. CPU 18 ISR count: 0
  250. CPU 18 DPC highest execution time (µs): 195.997784
  251. CPU 18 DPC total execution time (s): 0.023261
  252. CPU 18 DPC count: 1768
  253. _________________________________________________________________________________________________________
  254. CPU 19 Interrupt cycle time (s): 5.287358
  255. CPU 19 ISR highest execution time (µs): 14.649861
  256. CPU 19 ISR total execution time (s): 0.001753
  257. CPU 19 ISR count: 681
  258. CPU 19 DPC highest execution time (µs): 4426.967867
  259. CPU 19 DPC total execution time (s): 0.018119
  260. CPU 19 DPC count: 1351
  261. _________________________________________________________________________________________________________
  262.  
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