The cpu-usage tag has no wiki summary.
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2answers
35 views
Distributed computing project? [closed]
I've tried seti@home and folding. But are there any other good ones that might have better luck actually making a difference?
I don't want to contribute to a project that is going to use the results ...
1
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1answer
74 views
Program that logs the CPU usage in Windows 7
Is there any program that logs the CPU usage of all programs? I want to know, over a period of one month, which programs use the CPU more intensely.
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2answers
131 views
Strange cpuinfo, how many cores does these physical cpu has?
At the end of this post is my /proc/cpuinfo.
I know the Physical cpu number is 2
grep 'physical id' /proc/cpuinfo|sort|uniq|wc -l
2
But how many cores does each cpu have?
The 'cpu cores' shows ...
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0answers
130 views
Is Windows 7 throttling my CPU?
I am hoping someone with more experience in Windows 7 can help me out. I have written a php script that utilizes curl_multi to do some spidering. This script runs on an install of WAMP. I originally ...
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1answer
76 views
How is load average calculated on osx? It seems too high - and how do I analyze it?
An advanced question: I think my load averages are too high as compared to a linux system. I have around 0.40 1min with basically no cpu use (0-1%) and even if this is spread out over 4 cores it still ...
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1answer
85 views
identify which chrome tab is using up CPU in Linux?
In my Linux laptop, I sometimes have a bunch of tabs opened in Google Chrome, which I believe creates a new process per tab. I would like to be able to pinpoint the tab that is using up the CPU. Is ...
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2answers
94 views
My CPU doesn't seem to be worked beyond 20%
I have a i3 based system running Windows 7. I have noticed that even during intense activities like copying GBs of data the CPU doesn't exceed 25%. I have no malware.
Some questions based on that ...
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1answer
222 views
ffmpeg not using full CPU power
I have a Dell Precision 490 workstation, running Ubuntu 11.10, with two dual core Xeon 5160 CPUs (so 2 physical CPUs, with 2 cores each), which I am using to encode TV recordings (MPEG2) to H264 using ...
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1answer
213 views
Why is wpffontcache_v0400.exe hogging the CPU?
In the last few days I've noticed really poor performance on a virtual machine I'm using at work. It's running Windows Server 2003 SP 2. When I check Task Manager, the process wpffontcache_v0400.exe ...
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1answer
176 views
How can I reduce high CPU usage from DPC's with USB Serial Ports
I have an app that communicates with up to 50 devices over serial ports. The communication takes place in threads, and the threads are throttled so that only a certain number are active at once. ...
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0answers
162 views
Synergy stopped working after a week on Windows7, high CPU usage and no connection
Used synergy 1.3.1 & 1.3.4 since 2007 without a hitch. Upgraded to Windows 7, and synergy suddenly stopped connecting after a week. Now any version I try (1.3.1, 1.3.4, 1.3.8, 1.4.5) goes into ...
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0answers
97 views
Msmpeng.exe is Making Me Tear My Hair Off!
msmpeng.exe causes CPU spikes that happen every 15 mins or so, and it has finally got to me. As far as I can remember, I started facing this after installing MS Security Essentials on my Windows 7 ...
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1answer
39 views
“svhost(netsvc)” is using about 40-80% CPU when the system starts
My CPU usage is constantly at 40% (maximum 95%) most of the time when I start my PC. It continues to work at this rate for about 15-25 minutes.
I checked the performance monitor and found out that ...
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2answers
330 views
taskhost.exe uses a lot of CPU and does not quit
The executable taskhost.exe is running twice and one process takes more than 50% of CPU. It increases the fan noise and slows the computer down. When i end the process with task manager the computer ...
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2answers
76 views
Why the startup of a new application causes system stuttering
All modern operating system are supports multitasking. So, each running app would get a certain amount of time slice from cpu for their operation(depending on their demand).
The questions is, if the ...
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1answer
131 views
Record CPU usage then create Excel line chart with “Series” Column
I need to create a line chart to display the cpu usage of each process over time. How do I create the chart with time as the X axis, %CPU as the Y axis, then use the command name to indicate which ...
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1answer
88 views
Windows XP - Explorer CPU spike and freeze
System: Windows XP SP3, Intel i3
Issue: Windows Explorer process spikes my CPU usage to 50% and freezes. Only resolution is to kill the process in the Task Manager and restart manually.
...
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1answer
145 views
Intel Core i3-2310M or Intel Core i5-2435M 2.4GHz [closed]
I'm a web developer/photographer, so Visual Studio and Photoshop may be the heaviest programs I use. I currently have a 2.47 GHz Intel Core 2 Quad Q6600 desktop and need a laptop which I hope will ...
1
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1answer
76 views
Why does top report more than the theoretical maximum CPU usage of a machine?
I would like to know why I have a process being able to report a usage line like:
PID COMMAND %CPU
248 Xcode 983.5
… in top on a quad core CPU?
I understand it's wrong, but how come? I'm ...
1
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1answer
235 views
opendirectoryd consumes 40% of CPU
I have a MacBook Pro with Lion 10.7.2, 2.26 GHz CPU and 2GB DDR3 RAM.
If I call
top -o cpu
the /usr/libexec/opendirectoryd process consumes more than 40% of CPU.
$ ps aux | grep opend ...
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1answer
120 views
How to prevent my Windows 7 to hang when running intense calculations on all cores?
When i am using all my 4 cores, its really slow to open any folders or even right click on desktop, or open any programs, and so on.
Is there any way to prevent my Windows 7 from using 100% of my CPU ...
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2answers
215 views
What does “thread” mean as related to CPUs? [closed]
Possible Duplicate:
What are threads, and what do they do in the processor?
I know a process can have multiple threads, on my Windows 7 machine each process has over 10 threads in avg.
...
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1answer
89 views
How Do I Investigate a CPU Usage Spike Without Being Present?
I have a server that's mysteriously using up a lot of CPU late at night, when it shouldn't be under heavy load. This causes some database calls to time out, and I've set up some alerts in PerfMon to ...
2
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3answers
158 views
How do I troubleshoot high CPU usage?
My CPU usage is very high by default. As soon as I starts a program it touches the maximum. After some time it becomes normal. I have a doubt that my disk is infected. So I tried to install ...
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0answers
79 views
Linux: X11 is using up 50% of one of my CPUs and lagging terribly
I have been running my Ubuntu Linux Machine recently on powerful hardware (much more powerful
than my last machine at any rate) and I have noticed that after some time all of a sudden X11 starts
to ...
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0answers
201 views
Is it normal for WmiPrvSE.exe to consume 10% CPU non-stop?
Resource Monitor shows Average CPU for WmiPrvSE.exe is 10%. Is that normal? This is just a 64-bit Vista laptop with an Intel P7550 (Core 2 Duo @ 2.26GHz) and 4G RAM. It's not running anything special ...
3
votes
1answer
136 views
Why does my System Process use 50% of CPU time?
The System process running on my Windows 7 installation uses almost 50% of CPU arbitrarily. I monitor the process with Process Explorer from Sysinternals.
Click the images to enlarge them...
...
4
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3answers
218 views
How to get I/O usage by process in Unix? [closed]
Possible Duplicate:
Linux: Is there something similar to "top" for I/O?
I am trying to do some CPU intensive operation on a Linux machine and it is showing very high load.
I want ...
2
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1answer
255 views
OS X Lion: What is uninstalld?
Every now and then, since I installed Lion on my Mac, I have noticed that a process called uninstalld has been running and using a lot of CPU time.
Does anyone know what it does? I haven't tried to ...
2
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1answer
79 views
CPU usage and frequency as a tray icon
I'd like to display a CPU usage / frequency graph like the Resource Monitor does:
in a tray icon like Process Explorer does:
In particular, I'd like to see that blue line indicating the ...
4
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2answers
157 views
CPU usage goes up while computer enters into screensaver/screen goes dark
Computer/Laptop: Lenovo T500
When I leave my PC, it turns off the display after X minutes. That's fine.
However, since I use "Proccess Explorer" (SysInternals) there is a bit of a history in my ...
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0answers
133 views
Best TomatoUSB conntrack/netfilter settings?
What is the best settings performance wise? I keep getting the problem to where CPU utilization tops 100% most of the time. Should timeout values generally be higher than lower?
Also, does CPU ...
1
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1answer
53 views
Game crash causes computer to perform poorly
I started FIFA11 just as any other day. But now the FPS was very low. I saw on the desktop gadget that all 4 cores on my i5 were at 100%. I tried to play nonetheless but it was unbearably slow. So i ...
1
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1answer
91 views
Peeking inside Firefox - what's maxing out CPU (OSX)
I am having a Firefox with plenty of add-ons installed. Sometimes Firefox stucks with high CPU usage on the pages having no Flash. I'd like to solve what's causing this with more professional manner ...
3
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2answers
215 views
Force specific CPU core usage in programs on Windows 7
Is there any way to force a program to run on cpu1 rather than cpu0 given that I know that there are at least two cores?
I'm compiling C++ with code::blocks on Windows 7 x64
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1answer
221 views
Windows 7 , CPU usage hikes up to 100%
I am having this issue of lag in Windows 7 Professional, the CPU usage is 100%, even if I am only watching video on GOM player, nothing else is open, but the usage is 100%, or if I open Firefox/Chrome ...
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77 views
Firefox Consumes A Lot Of RAM After Security Update
All was okay before 3.6.18 but after security update it started eating a lot of RAM and spiking frequent high CPU usage. Here are screenshots:
Currently have running Internet Explorer 8.0, Chrome ...
3
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2answers
95 views
Windows 7 CPU usage after update
After windows 7 updated and restarted it shows 98-100% CPU usage in task manager. But, it doesn't show any heavy process or thread using it. Are they hidden processes that the task manager doesn't ...
5
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4answers
310 views
100% Finder CPU usage
Randomly, I wasn't doing anything specific — my system starts getting sluggish. I check the activity viewer — wow, Finder is at 150% CPU!
This is what I have tried so far:
Trashing ...
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0answers
83 views
What is the biggest bottleneck for a web server? [closed]
I am the lead engineer for a startup, and because of that, I am in charge of managing the servers. When building/purchasing servers for the site, It would be good to know what the biggest bottleneck ...
0
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1answer
287 views
Tracking down System CPU usage
My System process (Not system idle process) is using 5-10% CPU constantly.
Using Sysinternals process explorer, I've identified the offending thread as having an ID of 8 and the following stack ...
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3answers
117 views
I need a tool like Task Manager that shows top applications that are taking CPU
I need a light weight tool (somehow like Task Manager) or desktop gadget that shows top applications that are taking CPU. Task Manager is not so good because it lists ALL applications, and that is a ...
6
votes
1answer
339 views
Determine which Opera tab uses 100% CPU?
Sometimes a tab gets stuck at using all CPU time it can get. I know theres a way to check which one for Chrome or Firefox -- is there a native method and/or extension to do this in Opera? Checking ...
3
votes
1answer
254 views
Windows hangs on clicking/copying large MKV file
I have a 2.9GB MKV file, unzipped from a .RAR archive, that causes explorer.exe to take up 100% CPU when I select it by single clicking. Also, when I attempt to copy and paste it, the copy dialog ...
4
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5answers
180 views
CPU permanently at 65%
Windows XP, SP3, Intel Core 2 Duo
Here are the symptoms:
Since a couple of days is my System task permanently at about 35%
When I want to Turn Off the computer then the Explorer needs to be force ...
5
votes
3answers
520 views
Why is my CPU usage broken in Process Explorer?
On my system (Windows 7), it seems that Process Explorer is reporting the wrong CPU usage:
When Firefox is running, I constantly get 30%+
When I kill Firefox, I still get about the same CPU usage
...
6
votes
1answer
424 views
How to decrease the CPU usage when running Virtual Box?
I am facing an issue with 100% CPU usage under my system when running VirtualBox. Here are some further details:
My System Information:
CPU 1 name: Intel(R) Pentium(R) Dual CPU T2310 @ ...
4
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3answers
2k views
Why does Firefox cause high-CPU-usage “spikes” every few seconds?
When I start Firefox, I have no problems for a while, but after a couple of days, CPU spikes start to occur. During a spike, Firefox freezes and then stops. Spikes occur every seven to ten seconds, ...
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0answers
235 views
Difference between KDE CPU Monitor widget and top output
I'm running Kubuntu 11.04 and have a top screen and a display of the CPU Monitor desktop widget. There is a difference between CPU usage as per the widget and CPU usage as per top. For example I've ...
2
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3answers
112 views
Why do installers use so much CPU time?
I've noticed when installing large pieces of software on Windows (Visual Studio, SQL Server, Office, and things of that nature) the installer tends to hang for large periods of time at or near 100% ...
