Access to Current CPU Load Amount?

Hi!
I need to setup a quick application for some critical timing I am trying to achieve. Windows is really quite poor at achieving this. What I really need is a real-time system, but I have what I have and I need to do what I need to do with it today.
There needs to be critical timing between two digital IO ports (in the msecs) once a switch is thrown. If the CPU load is below 2%, I have no problems obtaining the timing I desire. If Windows is butting in trying to do something in the background, my timing goes to poo.
Is there anyway to monitor the CPU load (w/o actually creating too much CPU load by monitoring it) so that my digital IO timing code does not fire until the CPU load is below some threshold?
Thanks!
-nic

Hi nic
i guess there is a .NET function which can monitor what you need. i also think there is an example code for it on the ni side, but i don´t remember the location.
i found the location. I think this can help you
http://zone.ni.com/devzone/cda/epd/p/id/5405
Mike
Message Edited by MikeS81 on 01-25-2008 10:18 AM

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XServer CPU Leds on front are don't indicated current cpu load

Hello Everyone
As you know on front side of XServer four led lines one per CPU(logical), After last firmware upgrade half year ago they splashing only when Xserver restarted but when working Cpu load don't show, Only shine one blue bug led per avery line and don't shine small of load.
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High CPU load with Library Cache Pin wit event.

Oracle8i Enterprise Edition Release 8.1.6.0.0, 64 bit - Production
HP-UX B.11.00 U 9000/800 605309363 unlimited-user license
Currently CPU load is 100% with very less sessions in the database.
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If i query v$latchholder i am not getting any rows..and in v$lacth_children
SQL> select SID,EVENT,WAIT_TIME,SECONDS_IN_WAIT,STATE from v$session_wait where EVENT='library cache pin';
       SID EVENT                                     WAIT_TIME SECONDS_IN_WAIT STATE
         8 library cache pin                                 0             863 WAITING
        90 library cache pin                                 0            3093 WAITING
        89 library cache pin                                 0            2566 WAITING
        57 library cache pin                                 0           27384 WAITING
        54 library cache pin                                 0           21029 WAITING
        53 library cache pin                                 0            7840 WAITING
        50 library cache pin                                 0            2620 WAITING
        47 library cache pin                                 0            6031 WAITING
        46 library cache pin                                 0            1241 WAITING
        41 library cache pin                                 0           15637 WAITING
       145 library cache pin                                 0             910 WAITING
       133 library cache pin                                 0            5124 WAITING
       111 library cache pin                                 0           15077 WAITING
        98 library cache pin                                 0            6563 WAITING
        94 library cache pin                                 0            2088 WAITING
        93 library cache pin                                 0            4592 WAITING
        92 library cache pin                                 0           14705 WAITING
        91 library cache pin                                 0           14798 WAITING
        36 library cache pin                                 0            1533 WAITING
        33 library cache pin                                 0            1491 WAITING
        28 library cache pin                                 0           13970 WAITING
        25 library cache pin                                 0            7630 WAITING
        11 library cache pin                                 0           12169 WAITING
        12 library cache pin                                 0            2352 WAITING
        14 library cache pin                                 0           19748 WAITING
SQL> select addr,name from v$latch where name='library cache';
ADDR             NAME
C00000006971D460 library cache
SQL> select latch#,name from v$latch_children where name='library cache';
    LATCH# NAME
       105 library cache
       105 library cache
       105 library cache
       105 library cache
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-Yasser

bump
No-one?
The problem seems to have 'resolved itself' over the weekend incidentally (although I don't believe anything truly resolves itself in this manner - something must have changed).

TouchPad driver: relatively high CPU load and loads of registry accesses

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11:45:38.8752991    SynTPEnh.exe    3544    RegCreateKey    HKU\S-1-XXX\Software\Synaptics\SynTPEnh\UltraNavPS2    SUCCESS    Desired Access: Maximum Allowed, Granted Access: All Access
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Message Edited by Izmi on 01-17-2009 02:58 AM

Same here, but usually around 10% CPU, Win7 64bit on T431s

Fan RPM (rounds per minute) based on CPU load

I did some small testings regarding when the fan's are starting. I'm experiencing the following:
When running 3 times: yes > /dev/null the fans start to spin up after 1 minute full CPU load. They keep running till i kill those 3 processes. After 10 minutes full load the notebook is getting less hot because the fans are running at a good speed.
What they should do is write a component in osx that will measure the temperature and based on that information let the fans run...
With the current system the load is increasing all the time because you use it.. if the fans would start when its getting hotter the increasing temperature would stop and the case temp would be stable.
Therefor i dont think bringing in your laptop will help. I think they should be able to fix the problem thru software. Just like the whine issue... just the wrong amount of voltage are send thru the cpu.
The problem is... apple doesnt confirm this.. i hope OSX 1.4.7 will have such a tooling within it.
What do you think?

My completely unscientific experiences with my own MBP seems to support this, and I do believe that it begun happening after the last SMC update. I also believe that heat does in fact have an effect on the fans, but it is additive and that is why you mostly experience the fan activity generated by the CPU load.
I can hear my fans quite clearly on low RPM because of a strange, plastic whirring sound (oddly enough, they become more quiet on higher RPMs).

How to Show Real CPU load, and not just Average Load on Server Performance or CPU metrics

Hi There,
we are currently using application insights for one of our customers, and they have raised the question with me, regarding CPU spikes. Is there anyway to show these when viewing the server performance or within the CPU metrics?
The reason for the question is that for our particular application the average CPU load is 4%, however when viewing task manager real time, I can see spikes go anywhere from 20-60% for a second or two.
Also do you know if the ability to grant user access to the likes of our customers so they can see the results so I don't have to send screen shots etc. on request.
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Best Regards
Antony

Here is a good blog that shows how can you see CPU metric with Application Insights.
http://blogs.msdn.com/b/visualstudioalm/archive/2014/12/11/updated-application-insights-status-monitor-to-support-12-and-later-application-insights-sdk.aspx
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Mihail Smacinih

Security error accessing url (Unable to load WSDL)

Hi folks.
I have a Flex project that use a WCF webservice. In my localhost everything is allright, but I want to upload my flex project to a web host (http://www.dorj.ir) and upload my WCF webservice to a server that has a valid IP...
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Security error accessing url
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</cross-domain-policy>
But I have the same error, yet...!
what should I do?!

Have you seen this blog
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How do you spread CPU load over more cores?

Hi
I recently bought a macbook pro quadcore i7 because my 2007 macbook couldn't cope with the demands of Logic when using it rewired with Ableton Live, and had lots of CPU overload messages.
I am really disappointed that having spent so much money to overcome this problem, it has only slightly improved the amount of overload messages. I read the article below about how to spread CPU power over the cores, now I have 8. I still can't figure out though how to control which channels are using which core and spreading the CPU load to cores 5-8 which don't seem to be being used. Any ideas?
Can I rewire from ableton to different cores?
In my project, the 2nd core keeps overloading whilst the others are down. Is it to do with aux channels, master channels, buses etc?
Or should I upload my memory to 8GB RAM?
Thanks
Steve
Here's the article:
About core activity
Logic breaks tasks down into threads that can be assigned to a single core for execution. It's not possible to split a single thread across multiple cores, although a single core may run multiple threads at the same time. This is one reason that you may sometimes see uneven load distributions across the available cores on your computer. If one thread is very processor-intensive, the core running that thread may show much more activity than the cores running less demanding tasks. This is the main reason that you may get "Core Audio Overload" warning messages even though some of the cores on your system may not show significant activity.
To monitor Logic as it uses the cores on your system, double-click the CPU meter in the Transport area.
A window displays a meter for each core.
The same concept applies to channel strips as well. Each channel strip—and all plug-ins it contains—is processed by one core. If you are using many processor-intensive plug-ins on a single channel strip, the core running it may show heavier activity. This is especially true if you are working at high sample rates (88.2 kHz or higher).
Redistributing core loads
If you find that a single core has much higher activity, use these strategies to redistribute the load.
In the example below, there is a single Software Instrument channel strip with plug-ins routed directly to Output 1-2. The channel strip for Output 1-2 has a large number of plug-ins.
In this example there is activity on two cores: the left core is handling the Software Instrument while the next core processes the Output 1-2 channel strip. You can use routing capabilities in Logic to distribute the load to more cores without changing the sound, as in the next image.
The resulting signal chain is Inst 1 > Aux 1 > Aux 2 > Out 1-2, as shown in this table:
Channel strip
Input
Output
Inst 1
Bus 1
Aux 1
Bus 1
Bus 2
Aux 2
Bus 2
Out 1-2
Also, the first four plug-ins have moved from Output 1-2 to Aux 1 and the remaining four plug-ins to Aux 2.
After adjusting the volumes to the respective channel strips appropriately, the result sounds identical, but now the load is distributed among four cores instead of two. You can use this concept to redistribute plug-ins from Audio channel strips, Software Instruments, Auxes, and Outputs (as in this example).
In the image above, there is still a very heavy load on a single core, even though it's using the routing described above. Notice the Inst 1 channel strip is selected. When a Software Instrument track is selected in the Arrange window, Logic enters "Live Input Mode". In this mode, Logic turns on every plug-in in the channel strip's signal path so the channel strip can be played live from a MIDI controller. All of this must be handled by a single thread and therefore just one core. It's a good idea to keep a track that uses an Audio channel strip selected in the Arrange window, unless you're actively playing or recording to a Software Instrument.

OS X Snow Leopard introduced Grand Central, where the OS will distribute the load better to more cores, however it takes time for software to adapt to these changes and make a rewrite of the codebase and test it out, Apple's included.

Problem... High CPU load with HDD. Please Help

Hello all,
Im stuck. Ive got a MSI KA790GX which has poor HDD access/transfer, low burst rate and very high CPU load.
As far as i know the Western Digital 640gb WD6401AALS Black should be a fast hard drive. Which according to reviews/HD Tune,
should be:-
Minimum 60mb/sec
Maximum 120mb/sec
Average 95mb/sec
Access 12ms
Burst 110mb/sec
CPU 5%
No matter what I try, i always get poor results...
My MSI KA790GX
Minimum 41mb/sec ~ 54mb/sec
Maximum 104mb/sec ~ 108mb/sec
Average 86mb/sec ~89mb/sec
Access 12ms
Burst 60mb/sec ~ 80mb/sec
CPU 26% ~ 44%!!!!!!!!
I could accept not getting the same high speed results as the review/reference, even if the burst rate sucked.
But one of the cores goes to 50%-60% load during hdd activity. Thats just crazy!!
I have tried...
IDE mode, AHCI, RAID Ready, RAID Single Disk
SATA Port 1, 2, 3, 4 + 5
Different SATA cables
Flashed bios, cleared bios, optimised defaults, failsafe defaults
Windows XP 32bit, Vista 32bit, Vista 64bit. fresh installs
MSI CD Drivers, MSI Web Drivers, AMD/ATI Web Drivers
... and combinations of.
I have also tested the WD640gb Black on another older PC, with Nvidia (55?) chipset and slower (1.9ghz x2) cpu.
Transfer rates were slightly better than my KA790GX but, Burst Rate = 115mb/sec and CPU usage = 13%.
I also tried a Seagate 1.5tb (ST31500341AS) on both PCs,
Nvidia chipset
Minimum 65mb/sec
Maximum 134mb/sec
Average 107mb/sec
Access 14ms
Burst 83mb/sec
CPU 7%
On my MSI KA790GX
Minimum 55mb/sec
Maximum 120mb/sec
Average 100mb/sec
Access 14ms
Burst 87mb/sec
CPU 33%!!!!
Could someone please please help, ive spent hours and hours on this. Its doin my head in.
I just hope its something stupid ive missed, cos i still not used my HD4850 from christmas :-(
Thanks.

Sm3K3R
Not sure how to check PIO/DMA mode on a SATA device. IDE devices show DMA enabled.
BIOS version 1.4 - 29 December 2008, and now version 1.51
Fredrik
I have Vista 64, but i did try XP32 and Vista32 and got similar poor results.
I tested HDD speed with, HD Tune 2.55 and HD Tune 3.50 trial.
No auto-start programs really, Windows clean installs + any drivers.
Quadrifoglio Verde
CPU @ default 2800mhz, All mem bios options to auto/defaults
Windows Experience Index, CPU Score = 5.3
AMD Overdrive
Integer Computation = 8220
Floating Point Computation = 5325
Memory speed = 1770
Cache Speed = 10790
System Performance = 7403
Bas
I used HDTune because I could reference to other results. Whats a better program to use?
Windows Experience Index, HDD Score = 5.9.
But I have no reference and cant be sure of cpu load.
Sepher
Bios defaults to C&C and C1E off so i have tried them. Also windows power settings, balanced/high performance.
UPDATE
Reinstalled Vista64 but loaded the AHCI driver from the disk config screen. This seems to have stopped the high cpu usage during disk activity.
HDTune with Windows Power settings @ High Performance,
Min = 52mb/sec
Max = 106mb/sec
Ave = 88mb/sec
Access = 12ms
Burst = 77mb/sec
CPU = 3.4%
HDTune with Windows Power settings @ Balanced
Min = 54mb/sec
Max = 104mb/sec
Ave = 87mb/sec
Access = 12ms
Burst = 65mb/sec
CPU = 12%
So now transfer speed is about 10% slower than reference. But burst speed is terrible.
I also used IBM Feature Tool to change the HDD AAM to 'performance mode' 254 as suggested elsewhere.
Long shot as the hdd performs ok with other hardware. same results.
Also MSI support asked me to try a newer bios, version 1.51. same results.
Anyone know what the AMD 7-Series Chipsets Disk Performance Utility does, and should i run it in Vista64?
Thanks for all the replies, hope i can sort this, not played any PC games since Quake 3 on my ti4600...

CPU load alert on Enterprise Manager

Hi,
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>How can I check if this is the real load on our CPU and how can I learn what really causes it?
might solution/answer be Operating System dependent?
How do I ask a question on the forums?
https://forums.oracle.com/message/9362002#9362002

Audition 2.0 CPU load with dual core CPU in multitrack

When I use AA2.0 Multitrack in real time, both CPU Cores are used for rendering the efects and I can reach an overall CPU load of amount 80-90%.
When I use the export meue for the Audio mixdown, the CPU load reaches only 50%, because only one core makes the whole work an the secon core makes nothing.
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Unfortunately normal - certainly for AA2.0, which was never really optimised properly. Really, 2.0 can only be regarded as a 'late beta' - an upgrade to 3.0.1 would be a good (and relatively cheap) move.

CF Line Debugging: CPU Load

I've enabled Eclipse Debuggin for my CF application. I managed this with the Line Debugging option within CF Admin, which works perfectly. The Problem is, that seconds after I activated the Line Debugger on my server, the CPU load goes to 100%. This slows down my server and the application.
I already tried to give more RAM to my CF Server, that wasn't helping.
Is there any solution to this problem?

Hello
>We changed our JVM versions, like you recommended but it didn't help very much.
Please note I suggested applying CF9 updater1 and mentioned that I was not sure what would happen JVM wise since updater1 normally uses JVM version 1.6.0_17 and you have applied 1.6.0_20. As reference to applying updater1:
http://www.adobe.com/cfusion/tdrc/index.cfm?product=coldfusion
says in part:
Adobe recommends that all ColdFusion 9 users apply this complimentary 9.0.1 update.
Having said all that I am curious did updater1 in-fact switch to JVM 1.6.0_17 or leave the one currently in use 1.6.0_20?
Anyway none of that helps you. So to be clear you have a JRun.EXE that is CPU bound when debug is on and time out messages. Some details on the time out message would perhaps assist. With JRun.EXE being busy I am interested to know if it is logging anything that might relate in ColdFusion9\runtime\logs\coldfusion-out.log ?
HTH, Carl.

100% CPU load but no clue in thread dump, EP. Win a bottle of champagne...

Hi,
We are suddenly facing 100% CPU load in our EP cluster (5 x 8-way Xeon multiprocessor machines). We have a serious performance problem that is burning a lot of our time and causes a lot of stress for over 3 weeks now.
We have taken tens of thread dumps from Application Nodes.
- In none of the thread dumps we see the Finalizer thread
running.
- From the garbage collector log we see that full garbage
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- We use the compacting garbage collector.
- In a lot of thread dumps we do not even see our own portal code in the stack traces of the threads!
- In Windows Task Manager we see the jlaunch.exe processes
consume all available CPU time.
- Portal users see a blank portal page when the CPU load hits 100%. When the load goes down again, things return to normal.
- There are no errors logged in any of the log files of the portal. We checked all of them. We expected a log full of errors somewhere but nothing even remotely interesting was found. Windows Event Viewer shows nothing either.
- The amount of sockets in CLOSE_WAIT status is < 10 on every machine in the cluster.
This forces me to conclude that something in the jlaunch.exe executable consumes the CPU time. This raises the following 3 questions:
- What does the mystifying jlaunch.exe do besides executing java.exe ?
- Why is the Java virtual machine launched by a custom executable like jlaunch (What is it that cannot be program med in Java) ? Can it be GZip compression ?
- If the problem is not caused by jlaunch.exe, then it must be caused by the JVM. What activity, invisible in thread dumps, is performed by the JVM that can cause the high CPU load ?
Our development- and support teams are desperate. All suggestions are welcome. The person that comes up with
the solution to our problem gets a nice bottle of champagne.
Regards,
Chris Twigt

Hi,
- What does the mystifying jlaunch.exe do besides executing java.exe ?
This is so that the startupframework can connect more easily and take control of the JVM in some situations
- Why is the Java virtual machine launched by a custom executable like jlaunch (What is it that cannot be program med in Java) ?
I assume when SAP release their JVM (in the next major release), that will be called directly.
- If the problem is not caused by jlaunch.exe, then it must be caused by the JVM. What activity, invisible in thread dumps, is performed by the JVM that can cause the high CPU load ?
Loads of thing, but there should be clues in the thread dumps. (the reason why your code is not in those thread dumps is that your code is only active during the processing of a particular request, unless you have a service, afterwards there are no trace of it as the thread which does the processing goes back to sleep)
I've experienced a similar situation with a an 6.40 portal, and it was then caused by the following:
1. User A comes logs in and sees that some cache timeout has occured , therefore it issues a SQL query which does a full table scan on a table of approx. 1 GB (on of the UME tables)
2. User B comes in just afterwards and also sees that the cache timeout has occured, and issues the same SQL query as User A
3. User C .... and so on untill the query from User A eventually finishes
So
1. Check database. Any big queries running ?
2. Check file activity, are there a lot of writing ?
3. Check network activity, especially to the state controller which is the weakest link
4. What about portal logs ? Any activity during the hang ?
Also, please provide one of the thread dumps for further analysis..
cheers
Dagfinn

How much traffic/cpu load must i expect with my 1TB imac disc for 1TB TC

hi
i want to buy 1TB TCapsule.
my concern is:
i have round 600MB occupied on my internal imac 24" 2,8 disc
and i work with huge image data day per day (200-800MB changing per day)
must i expect very high cpu load when backup/timemachine is running in background
constantly? is it advisable to buy this 1TB TC for my backup-timemachine-purpose?
i presume that the first initial backup would take very long via air? (550MB backup to TC)
maybe 1 week or so? or i could simply do this first backup via ethernet cable?
thanks!!
Message was edited by: purepeter
Message was edited by: purepeter

i have round 600MB occupied on my internal imac 24" 2,8 disc
and i work with huge image data day per day (200-800MB changing per day)
Did you mean 600 GB rather than 600 MB ?
must i expect very high cpu load when backup/timemachine is running in background
constantly? is it advisable to buy this 1TB TC for my backup-timemachine-purpose?
CPU load will not be that noticeable IMO. With daily churn rate of 200-800 MB you will be just fine. After 48 hrs TM will reconcile the hourly snapshots when creating its daily snapshot and only keep last revision of file(s). The 1 TB TC should work well for meeting your requirement(s).
i presume that the first initial backup would take very long via air? (550MB backup to TC)
maybe 1 week or so? or i could simply do this first backup via ethernet cable?
First TM backup/snapshot will always take a fair amount of time no matter. Again, you specified 550 MB which is a SMALL amount of data. If you meant 550 TB then that's a LOT of data and will take some time to backup up. Using say 7 MB/sec for WiFi then you can transfer 420 MB per min and thus in a perfect world the 550 GB will take 1310 minutes or some 22 hours. Using ethernet should reduce this transfer time considerable and will ultimately depend on the sustained TC's disk i/o rate.

CPU load growing slowly at exact pace

Hi all,
I'm experiencing a weird thing since migrating from 10.5 server to 10.6 server: The CPU load grows slowly but steadily after each restart. After two days the server gives bad response, resulting in beachballs coming and going on both the server and all clients with server home folders. After a restart everything is OK again, and the CPU load starts slowly to grow again, even at night when the load should be near zero. Have anyone experienced this? Any ideas?

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Access to Current CPU Load Amount?

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