_________________________________________________________________________________________________________ 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 0:52:27 (h:mm:ss) on all processors. _________________________________________________________________________________________________________ SYSTEM INFORMATION _________________________________________________________________________________________________________ Computer name: ÂßÕÎÒÊÀ-ÏÊ OS version: Windows 7 , 6.1, build: 7600 (x64) Hardware: Dell System XPS L702X, Dell Inc. , 0XN71K CPU: GenuineIntel Intel(R) Core(TM) i7-2670QM CPU @ 2.20GHz Logical processors: 8 Processor groups: 1 RAM: 6038 MB total _________________________________________________________________________________________________________ CPU SPEED _________________________________________________________________________________________________________ Reported CPU speed: 2195,0 MHz Measured CPU speed: 1317,0 MHz (approx.) 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): 4685,058893 Average measured interrupt to process latency (µs): 24,228162 Highest measured interrupt to DPC latency (µs): 3353,668066 Average measured interrupt to DPC latency (µs): 2,743720 _________________________________________________________________________________________________________ MEASURED SMI, IPI AND CPU STALLS _________________________________________________________________________________________________________ The SMI, IPI and CPU stalls value represents the highest measured interval that a CPU did not respond while having its maskable interrupts disabled. Highest measured SMI or CPU stall (µs) 18,659998 _________________________________________________________________________________________________________ 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): 635,739408 Driver with highest ISR routine execution time: hal.dll - Hardware Abstraction Layer DLL, Microsoft Corporation Highest reported total ISR routine time (%): 0,066597 Driver with highest ISR total time: i8042prt.sys - Äðàéâåð ïîðòà i8042, Microsoft Corporation Total time spent in ISRs (%) 0,144117 ISR count (execution time <250 µs): 5328506 ISR count (execution time 250-500 µs): 0 ISR count (execution time 500-999 µs): 3 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): 3631,513440 Driver with highest DPC routine execution time: ndis.sys - Äðàéâåð NDIS 6.20, Microsoft Corporation Highest reported total DPC routine time (%): 0,102821 Driver with highest DPC total execution time: ndis.sys - Äðàéâåð NDIS 6.20, Microsoft Corporation Total time spent in DPCs (%) 0,395823 DPC count (execution time <250 µs): 19167563 DPC count (execution time 250-500 µs): 0 DPC count (execution time 500-999 µs): 21175 DPC count (execution time 1000-1999 µs): 261 DPC count (execution time 2000-3999 µs): 37 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: svchost.exe Total number of hard pagefaults 7447 Hard pagefault count of hardest hit process: 2882 Highest hard pagefault resolution time (µs): 628093,136674 Total time spent in hard pagefaults (%): 0,451238 Number of processes hit: 26 _________________________________________________________________________________________________________ PER CPU DATA _________________________________________________________________________________________________________ CPU 0 Interrupt cycle time (s): 245,536573 CPU 0 ISR highest execution time (µs): 635,739408 CPU 0 ISR total execution time (s): 36,294158 CPU 0 ISR count: 5328509 CPU 0 DPC highest execution time (µs): 3631,513440 CPU 0 DPC total execution time (s): 95,303531 CPU 0 DPC count: 18581100 _________________________________________________________________________________________________________ CPU 1 Interrupt cycle time (s): 100,353346 CPU 1 ISR highest execution time (µs): 0,0 CPU 1 ISR total execution time (s): 0,0 CPU 1 ISR count: 0 CPU 1 DPC highest execution time (µs): 500,562642 CPU 1 DPC total execution time (s): 0,283358 CPU 1 DPC count: 45309 _________________________________________________________________________________________________________ CPU 2 Interrupt cycle time (s): 44,865892 CPU 2 ISR highest execution time (µs): 0,0 CPU 2 ISR total execution time (s): 0,0 CPU 2 ISR count: 0 CPU 2 DPC highest execution time (µs): 348,562187 CPU 2 DPC total execution time (s): 0,901718 CPU 2 DPC count: 143469 _________________________________________________________________________________________________________ CPU 3 Interrupt cycle time (s): 118,134923 CPU 3 ISR highest execution time (µs): 0,0 CPU 3 ISR total execution time (s): 0,0 CPU 3 ISR count: 0 CPU 3 DPC highest execution time (µs): 437,108428 CPU 3 DPC total execution time (s): 0,225629 CPU 3 DPC count: 35776 _________________________________________________________________________________________________________ CPU 4 Interrupt cycle time (s): 84,788298 CPU 4 ISR highest execution time (µs): 0,0 CPU 4 ISR total execution time (s): 0,0 CPU 4 ISR count: 0 CPU 4 DPC highest execution time (µs): 484,410934 CPU 4 DPC total execution time (s): 0,597051 CPU 4 DPC count: 85284 _________________________________________________________________________________________________________ CPU 5 Interrupt cycle time (s): 89,825569 CPU 5 ISR highest execution time (µs): 0,0 CPU 5 ISR total execution time (s): 0,0 CPU 5 ISR count: 0 CPU 5 DPC highest execution time (µs): 466,00410 CPU 5 DPC total execution time (s): 0,232182 CPU 5 DPC count: 35460 _________________________________________________________________________________________________________ CPU 6 Interrupt cycle time (s): 96,121949 CPU 6 ISR highest execution time (µs): 0,0 CPU 6 ISR total execution time (s): 0,0 CPU 6 ISR count: 0 CPU 6 DPC highest execution time (µs): 427,411390 CPU 6 DPC total execution time (s): 1,159209 CPU 6 DPC count: 138711 _________________________________________________________________________________________________________ CPU 7 Interrupt cycle time (s): 84,375099 CPU 7 ISR highest execution time (µs): 0,0 CPU 7 ISR total execution time (s): 0,0 CPU 7 ISR count: 0 CPU 7 DPC highest execution time (µs): 470,594533 CPU 7 DPC total execution time (s): 0,980630 CPU 7 DPC count: 123927 _________________________________________________________________________________________________________