Disk and netwok usage per process
Hi all I tried for a lot of time to get the network and disk usage per process. Resource monitor in windows 7 appear to get these values (netwok and hard drive) , probably it make use of kernel log...
View ArticleETW PID accuracy when coming from a kernel provider such as NDIS
I'm not sure that this is the absolutely correct forum to post this but hoping it's close. I've been playing around with Event Tracing for Windows events, the networking events, NDIS-PacketCapture and...
View ArticleHow to display data from custom events?
Hi there, I don't seem to find any way to display the custom payload in the generic events view. Previous versions of WPT displayed the custom data in tooltip in the graph and columns of the summary...
View ArticleQuestion about Windows Assessment and Deployment Kit
hi, I'm testing Windows 8 computer performance with Windows Assessment and Deployment Kit (ADK). I noticed I can test out the start up Desktop applications details about CPU usage, delay time, etc on...
View ArticleETW retrieving cpu usage
hi experts,I wonder how xperfview retrieving CSWITCH windows kernel events and generate the cpuusage. Until now, I can only retrieving the properties from CSWITCH events. What can i do next? how to use...
View ArticleCustom Events in Lifetime Graphs possible?
According to this question, WPA makes it possible to view custom events (ones that my own framework will generate) in a Generic Events graph. My question is, will it also be possible to show the custom...
View ArticlePer Core Usage
I used tracelog to get the CPU Usage. But the CPU usage number it shows in WPA is overall usage and not Per core usage. Is there anyway I can get the per core usage from the ETL file. The plot for CPU...
View ArticleWPR Issue Consumer Preview
When running the Windows Performance Recorder, in the Windows 8 Performance Toolkit Consumer Preview, today I received the following error message: The number of event providers does not match with...
View ArticleWindows 8 beta wireless slow with native drivers
I am running Windows 8 beta. I was running with the native drivers for Windows 8 beta. I found that my wireless access to 802.11n wireless networks dropped to less than 1 MB per sec. It had been at...
View ArticleHDMI input port using WIN API
HI, I trying to detect HDMI input port of system, but not able to find any API for detection HDMI input port and device attached through this port. I have tried CCD API but didn't get any inforamtion...
View ArticleWPRGUI.EXE fails to start!
I'm trying to troubleshoot some boot performance issue using the Release Preview of the Windows 8 WPT. The Target system has Windows 7 Sp1 and .net4 however when I run WPRGUI.EXE it fails to appear. Is...
View ArticleWPR is a black box - How can I select which data/providers I want to trace?
Currently the WPR(UI) is a huge black box. Where can I specify which providers I want to trace. By default it traces too much things I don't want when I select on of the profiles. This results in...
View ArticleDifferences in CPU usage measured via Perfmon vs. xperf/ETW CPU sampling
Hoping someone out there can help me with this, been looking around but can't seem to find any specific answer for how the \Processor(_Total)\% Processor Time counter is calculated and why it might...
View ArticleXperf does not display full stack - or maybe I am doing something wrong
Hello, I am new in using XPerf. I tried to see the performance problem spot by Xperf for a bad program like this: int func() { FILE * f = fopen("lala.txt", "w+"); int c = 10; while(1) {...
View Articlewindows performance recorder user interface doesn't appear
I installed ADK, and the windows performance recorder user interface worked well. But after I used command line to trace events, the WPR user interface didn't work any more. When I click the icon of...
View ArticlePdhGetFormattedCounterValue() returns PDH_CALC_NEGATIVE_DENOMINATOR error
Our application is getting PDH_CALC_NEGATIVE_DENOMINATOR from PdhGetFormattedCounterValue(). The counter path is "\\PhysicalDisk(0 C:)\Disk Reads/sec". The followings are my findings related to this...
View ArticleCan WPT capture the DDI information of D3D11?
It's able to capture the start and end of D3D9 DDIs like DecodeBeginFrame, DecodeEndFrame, DecodeExecute. But when i used it to capture the start and end of D3D11 DDIs , I did not see the equivalent...
View ArticleUsing Perflib 2.0 in C++ - examples and help
Hello, I am trying to write a program in C++ that uses performance counters with PERFLIB 2.0. I wrote a simple xml manifest which contains 3 counters - a counter, an average base and an average timer....
View ArticleDisplay ETW messages as graphs in wpa\xperf
Hi I have some ETW message logging turned on in my kernel mode driver. I can view it as data in Xperf by going to the "generate summary table". While this works most of the time, I would also like to...
View ArticleFinding a performance counters' counter type
When I use perfmon in order to collect counters, how can I find what the counter's type is? For example if I have the counter: \Hyper-V Hypervisor Logical Processor(HP LP 0)\%Total Run Time How do I...
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