vtune ERROR: PMU resources currently being used by another profiling tool or...
When I ran Hardware Event-based Sampling Analysis 0, it showed the ERROR:Collection failedCollection failed. The data cannot be displayed.PMU resource(s) currently being used by another profiling tool...
View ArticleMeasuring ILP on the presence of busy waiting
Hello there.I've an parallel application that uses busy waiting for synchronization. The parallel region is a loop and I've unrolled this loop a few times on the hope to reduce synchronization...
View ArticleVTune : How To Collect Context Switches
I want to collect the context switches of a program. How do I operation?
View ArticleDoes LD_PRELOAD influence the work of VTune(amplxe-gui)
I used amplxe-gui to test a program that need set LD_PRELOAD, but VTune didn't give me the reasonable results. It showed the elapsed time which faster than the true elapsed time. And for another...
View ArticleRemote probing on Windows/Linux
Hi, I wish to probe both Windows and Linux targets remotely using Windows based machine to run the GUI.1. How is the remote connection done to windows targets? Is that ssh based like the Linux? 2....
View ArticleSource code absent
I'm trying to follow the VTune tutorial provided by Intel, but I'm running into some differences that I can't figure out. I created a project and selected my executable, a.out, as my application. When...
View ArticleContext Switches which obtained by VTune is much fewer than the true Context...
I used Hardware Event-based Sampling Analysis 0 Analysis or Advanced Hotspots Analysis to collect the total Context Switches of a program, but the number of Context Switches that I got was much fewer...
View ArticleHelp using Vtune for hardware performance counter monitoring
Hi All,I am new to Vtune, I have few basic questions to get me started using it, please help me out.I am working on a XEON E5345 processor and I want to few monitor hardware performance events (like L1...
View ArticleCan I use intel vtune to find the traces of CPI or IPC of application
Hello,I am looking to find the traces of IPC or CPI of the applications. For example at 1k instructions the IPC is this, at 2k instructions the IPC is this, so on and so forth. I can also work with the...
View ArticleVTune with VMware/Windows
Hi,Does anyone has any experience with running VTune in a virtualized environment ? I have OSX and I am running Windows 8 under VMware Fusion with Intel Parallel Studio XE 2013 installed on it. VMware...
View Articlevtss.sys causing bugchecks!
Several times now, when doing "General Exploration", I hit a nice IRQL_NOT_LESS_OR_EQUAL bugcheck. Windbg tells me that it was a read operation at IRQL 2, "Probably caused by : vtss.sys ( vtss+10a89...
View ArticleUOPS_ISSUED.ANY & UOPS_RETIRED.ANY
<p>Hi All,</p><p>UOPS_ISSUED.ANY rate/sec is more that UOPS_RETIRED.ANY rate/sec. Is that always correct?</p><p>In one test that I am observing that retired UOPs...
View ArticleUOPS_ISSUED & UOPS_RETIRED
Hi All, UOPS_ISSUED.ANY rate/sec is more than UOPS_RETIRED.ANY rate/sec. Is that always correct? In one test I am observing that retired UOPs is more than issued UOPs. Just want to understand in what...
View ArticlePrevent VTune from clearing CR4.PCE?
As of RedHat 6.4, the default setting for the kernel is to set the CR4.PCE bit, which enables user-mode code to execute the RDPMC instruction. This allows access to the core hardware performance...
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Installation error -- VTune XE 2011 Update 10
While installing a Vtune XE 2011 (Update 10) on my Windows 8, I am getting the following error during the installation : "An error occured during the installation of assembly component {xxxxxxx Some...
View ArticleHuge kmp_* overhead
I'm checking out my code's "CPU Usage Histogram" and I have a fairly significant overhead in the function kmp_launch_thread. Is there any way to reduce this time? I have tried varying KMP_AFFINITY with...
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How to MIC bandwidth using Vtune amplifier
Hi,I have profiled my application using vtune amplifier XE 2013. I want to find bandwidth of my application. It is given in this link...
View ArticleBuying Intel VTune 2014
Intel VTune 2013 can be bought for $899, but I don't see a separate buying option for Intel VTune 2014; cheapest bundle I can find is $1699. So it is still possible to buy Intel VTune for $899?
View ArticleFinding hotspot within a #define statement
We are using a #define statement, which would produce sometimes up to 100 lines of code.Vtune just treats it as one line, but I would love to find hotspots within the detailed lines produced.Is there...
View ArticleERROR: IsPinLoadingCompleted
vtune_amplifier_xe_2013_update3, when i attach to a process on Linux, vtune report error and the target process exit too. [admin@s007202.cm6 rpm]$ amplxe-cl -collect hotspots -duration 60 -result-dir...
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