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CONCLUSION
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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  0:06:18  (h:mm:ss) on all processors.


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SYSTEM INFORMATION
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Computer name:                                        N-PC
OS version:                                           Windows 7 Service Pack 1, 6.1, build: 7601 (x64)
Hardware:                                             ASRock, Z77 Pro4
CPU:                                                  GenuineIntel Intel(R) Core(TM) i5-3570K CPU @ 3.40GHz
Logical processors:                                   4
Processor groups:                                     1
RAM:                                                  8087 MB total


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CPU SPEED
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Reported CPU speed:                                   3400,0 MHz
Measured CPU speed:                                   113,0 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.

WARNING: the CPU speed that was measured is only a fraction of the CPU speed reported. Your CPUs may be throttled back due to variable speed settings and thermal issues. It is suggested that you run a utility which reports your actual CPU frequency and temperature.



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MEASURED INTERRUPT TO USER PROCESS LATENCIES
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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):   18679,733405
Average measured interrupt to process latency (µs):   5,458519

Highest measured interrupt to DPC latency (µs):       18451,145799
Average measured interrupt to DPC latency (µs):       1,019063


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 REPORTED ISRs
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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):              83,116471
Driver with highest ISR routine execution time:       ataport.SYS - ATAPI Driver Extension, Microsoft Corporation

Highest reported total ISR routine time (%):          0,027611
Driver with highest ISR total time:                   hal.dll - Hardware Abstraction Layer DLL, Microsoft Corporation

Total time spent in ISRs (%)                          0,061360

ISR count (execution time <250 µs):                   478479
ISR count (execution time 250-500 µs):                0
ISR count (execution time 500-999 µs):                0
ISR count (execution time 1000-1999 µs):              0
ISR count (execution time 2000-3999 µs):              0
ISR count (execution time >=4000 µs):                 0


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REPORTED DPCs
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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):              1823,590
Driver with highest DPC routine execution time:       tcpip.sys - TCP/IP-ohjain, Microsoft Corporation

Highest reported total DPC routine time (%):          0,098076
Driver with highest DPC total execution time:         rspLLL64.sys - Resplendence Latency Monitoring and Auxiliary Kernel Library, Resplendence Software Projects Sp.

Total time spent in DPCs (%)                          0,345741

DPC count (execution time <250 µs):                   2549032
DPC count (execution time 250-500 µs):                0
DPC count (execution time 500-999 µs):                742
DPC count (execution time 1000-1999 µs):              40
DPC count (execution time 2000-3999 µs):              0
DPC count (execution time >=4000 µs):                 0


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 REPORTED HARD PAGEFAULTS
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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:                 firefox.exe

Total number of hard pagefaults                       135
Hard pagefault count of hardest hit process:          84
Highest hard pagefault resolution time (µs):          18691,048824
Total time spent in hard pagefaults (%):              0,006009
Number of processes hit:                              6


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 PER CPU DATA
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CPU 0 Interrupt cycle time (s):                       6,537158
CPU 0 ISR highest execution time (µs):                35,597647
CPU 0 ISR total execution time (s):                   0,572228
CPU 0 ISR count:                                      409376
CPU 0 DPC highest execution time (µs):                1823,590
CPU 0 DPC total execution time (s):                   2,709312
CPU 0 DPC count:                                      2132191
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CPU 1 Interrupt cycle time (s):                       8,210803
CPU 1 ISR highest execution time (µs):                83,116471
CPU 1 ISR total execution time (s):                   0,287322
CPU 1 ISR count:                                      56885
CPU 1 DPC highest execution time (µs):                1808,197647
CPU 1 DPC total execution time (s):                   1,436998
CPU 1 DPC count:                                      257434
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CPU 2 Interrupt cycle time (s):                       5,229029
CPU 2 ISR highest execution time (µs):                64,458235
CPU 2 ISR total execution time (s):                   0,050694
CPU 2 ISR count:                                      9174
CPU 2 DPC highest execution time (µs):                1395,105294
CPU 2 DPC total execution time (s):                   0,644636
CPU 2 DPC count:                                      86826
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CPU 3 Interrupt cycle time (s):                       5,345798
CPU 3 ISR highest execution time (µs):                51,910294
CPU 3 ISR total execution time (s):                   0,018226
CPU 3 ISR count:                                      3044
CPU 3 DPC highest execution time (µs):                1296,640
CPU 3 DPC total execution time (s):                   0,440621
CPU 3 DPC count:                                      73363
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