Linked Questions
10 questions linked to/from How do I get to the root cause of high Deferred Procedure Calls?
59
votes
5
answers
27k
views
What is the proper way of debugging a slow Windows installation?
You know the drill - you've been asked to check why your cousin's computer is running slow.
I was right there yesterday. Being a Mac user since 2007 I haven't really dug deep in Windows internals in ...
- 693
7
votes
3
answers
31k
views
Windows 7 System process reading/writing like crazy
I have a problem that my windows 7 computer sometimes starts accessing the disk like crazy for maybe 10 minutes at a time. The process in question is the "system" process. I have disabled superfetch ...
- 329
2
votes
3
answers
22k
views
Why does my CPU Usage reach 100% too often?
I'm using a dual-core processor and often see my CPU usage reaches 100%. I realize this may happen if I'm running too much applications, so when I know the computer starts to run slowly, I start to ...
- 323
7
votes
2
answers
9k
views
How do I analyze excessive Windows kernel mode CPU usage?
My Windows XP machine recently started to semi freeze on me every odd reboot after a few minutes of usage (different programs / no additional prg start at all).
Update: I have now managed to get a ...
- 2,296
1
vote
2
answers
4k
views
How to find out what application slows down the system (on Windows)?
Sometimes (~once-twice a day) I experience slowdowns (up to freezing for 5-10 seconds) and I don't know their cause. I tried looking into Process Explorer, but it shows only current rates and history ...
- 193
6
votes
1
answer
2k
views
Heavy CPU Usage for Interrupt
As a follow-up to the question
Why can't my computer speed up again after closing large applications?
… I used Process Explorer to check my PC.
I found that there's an average 30-40% of CPU being ...
- 2,771
1
vote
3
answers
4k
views
Computer freezes once in a while for a few seconds then goes back to normal while there is disk activity at the time of the freeze. Any idea why?
I tried to bring down most services, to try to get the disk out of sleep routines, to get it out of indexing of windows, but still no go. I suspect it's low level I/O related but can it be fixed? Or ...
- 2,596
3
votes
4
answers
1k
views
Audio distortion and DPC latency in Vista during network usage after several hours of uptime
I updated my Windows Vista Business machine (Dell Vostro 1500, 32-bit) to SP1 a few months back, along with updating several device drivers to the latest ones available from Dell. Since then, I've ...
- 1,708
0
votes
2
answers
2k
views
Why are Windows 7 keyboard and mouse events delayed?
I am running Windows 7 with Microsoft Security Essentials for virus protection.
Recently, the computer goes out to lunch for a couple seconds at a time, during which keyboard events and mouse clicks ...
- 7,968
1
vote
2
answers
2k
views
Are DPC latency issues improved with multiple cores?
DPC latency checker says
A device driver cannot process data
immediately in its interrupt routine.
It has to schedule a Deferred
Procedure Call (DPC) which basically
is a callback routine ...
- 7,581