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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 0:52:04 (h:mm:ss) on all processors.
  6.  
  7.  
  8. _________________________________________________________________________________________________________
  9. SYSTEM INFORMATION
  10. _________________________________________________________________________________________________________
  11. Computer name: DESKTOP-DEIMOS
  12. OS version: Windows 10, 10.0, version 2009, build: 19042 (x64)
  13. Hardware: System Product Name, System manufacturer
  14. CPU: GenuineIntel Intel(R) Core(TM) i7-8700K CPU @ 3.70GHz
  15. Logical processors: 12
  16. Processor groups: 1
  17. RAM: 16317 MB total
  18.  
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  20. _________________________________________________________________________________________________________
  21. CPU SPEED
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  23. Reported CPU speed: 3696 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.
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  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): 11919,10
  34. Average measured interrupt to process latency (µs): 6,694778
  35.  
  36. Highest measured interrupt to DPC latency (µs): 11915,80
  37. Average measured interrupt to DPC latency (µs): 4,596245
  38.  
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  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): 14038,137987
  46. Driver with highest ISR routine execution time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
  47.  
  48. Highest reported total ISR routine time (%): 0,143264
  49. Driver with highest ISR total time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
  50.  
  51. Total time spent in ISRs (%) 0,144137
  52.  
  53. ISR count (execution time <250 µs): 1272962
  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): 1
  57. ISR count (execution time 2000-4000 µs): 7105
  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): 14060,289502
  67. Driver with highest DPC routine execution time: nvlddmkm.sys - NVIDIA Windows Kernel Mode Driver, Version 456.71 , NVIDIA Corporation
  68.  
  69. Highest reported total DPC routine time (%): 0,069781
  70. Driver with highest DPC total execution time: nvlddmkm.sys - NVIDIA Windows Kernel Mode Driver, Version 456.71 , NVIDIA Corporation
  71.  
  72. Total time spent in DPCs (%) 0,154454
  73.  
  74. DPC count (execution time <250 µs): 4683997
  75. DPC count (execution time 250-500 µs): 0
  76. DPC count (execution time 500-10000 µs): 1409
  77. DPC count (execution time 1000-2000 µs): 1993
  78. DPC count (execution time 2000-4000 µs): 6391
  79. DPC count (execution time >=4000 µs): 2481
  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: firefox.exe
  90.  
  91. Total number of hard pagefaults 10174
  92. Hard pagefault count of hardest hit process: 8627
  93. Number of processes hit: 37
  94.  
  95.  
  96. _________________________________________________________________________________________________________
  97. PER CPU DATA
  98. _________________________________________________________________________________________________________
  99. CPU 0 Interrupt cycle time (s): 164,595603
  100. CPU 0 ISR highest execution time (µs): 14038,137987
  101. CPU 0 ISR total execution time (s): 53,320363
  102. CPU 0 ISR count: 1099553
  103. CPU 0 DPC highest execution time (µs): 14060,289502
  104. CPU 0 DPC total execution time (s): 53,777273
  105. CPU 0 DPC count: 3775320
  106. _________________________________________________________________________________________________________
  107. CPU 1 Interrupt cycle time (s): 27,614932
  108. CPU 1 ISR highest execution time (µs): 8080,164502
  109. CPU 1 ISR total execution time (s): 0,659681
  110. CPU 1 ISR count: 73557
  111. CPU 1 DPC highest execution time (µs): 11079,911255
  112. CPU 1 DPC total execution time (s): 3,128706
  113. CPU 1 DPC count: 90032
  114. _________________________________________________________________________________________________________
  115. CPU 2 Interrupt cycle time (s): 15,915888
  116. CPU 2 ISR highest execution time (µs): 0,0
  117. CPU 2 ISR total execution time (s): 0,0
  118. CPU 2 ISR count: 0
  119. CPU 2 DPC highest execution time (µs): 6561,871212
  120. CPU 2 DPC total execution time (s): 0,585642
  121. CPU 2 DPC count: 661577
  122. _________________________________________________________________________________________________________
  123. CPU 3 Interrupt cycle time (s): 10,898201
  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): 1419,605519
  128. CPU 3 DPC total execution time (s): 0,014527
  129. CPU 3 DPC count: 6310
  130. _________________________________________________________________________________________________________
  131. CPU 4 Interrupt cycle time (s): 13,597795
  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): 2644,262446
  136. CPU 4 DPC total execution time (s): 0,088749
  137. CPU 4 DPC count: 48051
  138. _________________________________________________________________________________________________________
  139. CPU 5 Interrupt cycle time (s): 11,287861
  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): 3322,949675
  144. CPU 5 DPC total execution time (s): 0,019051
  145. CPU 5 DPC count: 5684
  146. _________________________________________________________________________________________________________
  147. CPU 6 Interrupt cycle time (s): 13,006375
  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): 491,543831
  152. CPU 6 DPC total execution time (s): 0,078696
  153. CPU 6 DPC count: 36556
  154. _________________________________________________________________________________________________________
  155. CPU 7 Interrupt cycle time (s): 11,433350
  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): 1919,522727
  160. CPU 7 DPC total execution time (s): 0,012130
  161. CPU 7 DPC count: 4973
  162. _________________________________________________________________________________________________________
  163. CPU 8 Interrupt cycle time (s): 12,577212
  164. CPU 8 ISR highest execution time (µs): 5012,823052
  165. CPU 8 ISR total execution time (s): 0,015405
  166. CPU 8 ISR count: 9456
  167. CPU 8 DPC highest execution time (µs): 4836,446970
  168. CPU 8 DPC total execution time (s): 0,077660
  169. CPU 8 DPC count: 27002
  170. _________________________________________________________________________________________________________
  171. CPU 9 Interrupt cycle time (s): 11,833941
  172. CPU 9 ISR highest execution time (µs): 10,437229
  173. CPU 9 ISR total execution time (s): 0,043656
  174. CPU 9 ISR count: 100695
  175. CPU 9 DPC highest execution time (µs): 2868,521645
  176. CPU 9 DPC total execution time (s): 0,022381
  177. CPU 9 DPC count: 8453
  178. _________________________________________________________________________________________________________
  179. CPU 10 Interrupt cycle time (s): 12,046986
  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): 1251,758658
  184. CPU 10 DPC total execution time (s): 0,077315
  185. CPU 10 DPC count: 25013
  186. _________________________________________________________________________________________________________
  187. CPU 11 Interrupt cycle time (s): 10,593454
  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): 45,155844
  192. CPU 11 DPC total execution time (s): 0,024619
  193. CPU 11 DPC count: 7300
  194. _________________________________________________________________________________________________________
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