Killer 1525 Latency (report inside)

CONCLUSION

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. At least one detected problem appears to be network related. In case you are using a WLAN adapter, try disabling it to get better results. One problem may be related to power management, disable CPU throttling settings in Control Panel and BIOS setup. Check for BIOS updates. LatencyMon has been analyzing your system for 0:57:00 (h:mm:ss) on all processors.

SYSTEM INFORMATION

Computer name: DESKTOP-MT2DUST OS version: Windows 8 , 6.2, build: 9200 (x64) Hardware: Alienware 15, Alienware CPU: GenuineIntel Intel(R) Core(TM) i7-4710HQ CPU @ 2.50GHz Logical processors: 8 Processor groups: 1 RAM: 16269 MB total

CPU SPEED

Reported CPU speed: 2499 MHz

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.

MEASURED INTERRUPT TO USER PROCESS LATENCIES

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.

Highest measured interrupt to process latency (µs): 1805.328609 Average measured interrupt to process latency (µs): 5.087439

Highest measured interrupt to DPC latency (µs): 1778.279417 Average measured interrupt to DPC latency (µs): 2.544958

REPORTED ISRs

Interrupt service routines are routines installed by the OS and device drivers that execute in response to a hardware interrupt signal.

Highest ISR routine execution time (µs): 397.196479 Driver with highest ISR routine execution time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation

Highest reported total ISR routine time (%): 0.073286 Driver with highest ISR total time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation

Total time spent in ISRs (%) 0.089062

ISR count (execution time <250 µs): 1318534 ISR count (execution time 250-500 µs): 0 ISR count (execution time 500-999 µs): 5 ISR count (execution time 1000-1999 µs): 0 ISR count (execution time 2000-3999 µs): 0 ISR count (execution time >=4000 µs): 0

REPORTED DPCs

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.

Highest DPC routine execution time (µs): 324947.384954 Driver with highest DPC routine execution time: ndis.sys - Network Driver Interface Specification (NDIS), Microsoft Corporation

Highest reported total DPC routine time (%): 0.078388 Driver with highest DPC total execution time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation

Total time spent in DPCs (%) 0.266118

DPC count (execution time <250 µs): 15673737 DPC count (execution time 250-500 µs): 0 DPC count (execution time 500-999 µs): 7222 DPC count (execution time 1000-1999 µs): 30 DPC count (execution time 2000-3999 µs): 0 DPC count (execution time >=4000 µs): 0

REPORTED HARD PAGEFAULTS

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.

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.

Process with highest pagefault count: qbittorrent.exe

Total number of hard pagefaults 102923 Hard pagefault count of hardest hit process: 47243 Highest hard pagefault resolution time (µs): 661869.796719 Total time spent in hard pagefaults (%): 0.635924 Number of processes hit: 45

PER CPU DATA

CPU 0 Interrupt cycle time (s): 149.584097 CPU 0 ISR highest execution time (µs): 397.196479 CPU 0 ISR total execution time (s): 23.423957 CPU 0 ISR count: 1278830 CPU 0 DPC highest execution time (µs): 324947.384954 CPU 0 DPC total execution time (s): 62.043284 CPU 0 DPC count: 14131108

CPU 1 Interrupt cycle time (s): 46.371902 CPU 1 ISR highest execution time (µs): 222.356943 CPU 1 ISR total execution time (s): 0.921965 CPU 1 ISR count: 37561 CPU 1 DPC highest execution time (µs): 1503.549420 CPU 1 DPC total execution time (s): 3.566346 CPU 1 DPC count: 282089

CPU 2 Interrupt cycle time (s): 46.498164 CPU 2 ISR highest execution time (µs): 126.659864 CPU 2 ISR total execution time (s): 0.023033 CPU 2 ISR count: 1754 CPU 2 DPC highest execution time (µs): 1903.173269 CPU 2 DPC total execution time (s): 1.462389 CPU 2 DPC count: 302425

CPU 3 Interrupt cycle time (s): 51.478688 CPU 3 ISR highest execution time (µs): 30.280912 CPU 3 ISR total execution time (s): 0.000535 CPU 3 ISR count: 183 CPU 3 DPC highest execution time (µs): 691.256903 CPU 3 DPC total execution time (s): 0.795290 CPU 3 DPC count: 100453

CPU 4 Interrupt cycle time (s): 46.027864 CPU 4 ISR highest execution time (µs): 14.635054 CPU 4 ISR total execution time (s): 0.000063 CPU 4 ISR count: 29 CPU 4 DPC highest execution time (µs): 821.805122 CPU 4 DPC total execution time (s): 1.450536 CPU 4 DPC count: 287832

CPU 5 Interrupt cycle time (s): 48.445165 CPU 5 ISR highest execution time (µs): 13.351741 CPU 5 ISR total execution time (s): 0.000137 CPU 5 ISR count: 92 CPU 5 DPC highest execution time (µs): 467.679072 CPU 5 DPC total execution time (s): 0.921017 CPU 5 DPC count: 134201

CPU 6 Interrupt cycle time (s): 43.98620 CPU 6 ISR highest execution time (µs): 4.099240 CPU 6 ISR total execution time (s): 0.000052 CPU 6 ISR count: 42 CPU 6 DPC highest execution time (µs): 322.345738 CPU 6 DPC total execution time (s): 1.315203 CPU 6 DPC count: 236686

CPU 7 Interrupt cycle time (s): 50.378174 CPU 7 ISR highest execution time (µs): 3.269308 CPU 7 ISR total execution time (s): 0.000046 CPU 7 ISR count: 48 CPU 7 DPC highest execution time (µs): 330.883954 CPU 7 DPC total execution time (s): 1.263466 CPU 7 DPC count: 206196

 

TLDR?

 

TL;DR can't do simple things like YouTube without audio drop outs and crackling.