Use tasks in Attach-to-Process mode?
Hi,I have recently tried the VTune tasks API and am quite happy with it, but I don't understand why it is restricted to the launch-process mode. For my work it would absolutely make sense to use it...
View Articletop down tree shows memory address instead of source code
I run my program and collect hotspots.When I open the vtune gui and click on the top-down tree toggle and click to see the a file I can only see the assembly language and not my Fortran source...
View ArticleBranching, instruction-miss and prefetcher event counters
Hi, would somebody be able to tell me which event counters I should add to a custom analysis for the following:1) How successful the prefetcher is2) L1 Instruction cache misses3) Pipeline stalls...
View ArticleWhat do "near branches", "macro branches" and "taken speculatively" refer to?
I am looking at the list of branch events for Ivy Bridge and when finding their descriptions I come across the following terms:"near branches""macro branches""taken speculative" What are the first two...
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Amplifier hangs on application start
Amplifier hangs on application start. See screenshot.It is at the very beginning of SolidWorks 2015 application start.I tested all kind of analysis (hotspots, adv hotspots, locks & waits). I use...
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Need Help!!! Total CPU Time Utilization Mismatch in Vtune Report
Hi, Please find the V-Tune Report as a attachment.i am confused with this Report. Let me confirm my understanding from you guys. Please reply.V-Tune showing me that cmdLoader_c() this functions is...
View ArticleVTune™ Amplifier XE remote collection using Windows* Host
Hi, I'm tying to use VTune™ Amplifier XE 2015 (on Windows7) to analyze my program running on linux remotely. And I follewed steps here: https://software.intel.com/en-us/node/506493. But I get some...
View ArticleGeneral Exploration
Hello,I am using Intel Vtune Amplifier XE 2013 on my windows 8 laptop powered by,Intel 4th gen-i5 with 6GB RAM.I run matrix multiplication in VTune tool,by both the method,1.Normal Matrix...
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How to measure FLOPS using vTunes?
I have a problem understanding some of the counters reported by vTunes XE 2013 in order to calculate FLOPS according to this Intel article. Using the vTunes counters I get approximately 3 times as high...
View ArticleVTune reports Haswell server as unsupported architecture
We are able to perform basic sampling under Windows 2012 on an E5-2699 v3 Haswell server. When we try to set up a General Exploration analysis it displays the window for a fraction of a second where it...
View Articlevtuen assert failed
Hi all, I used vtune to attach to target pid, and I used same user, but got error:amplxe: Collection started. To stop the collection, either press CTRL-C or enter from another console window:...
View ArticleProblem when importing files to result folder
Hi,I'm trying to import the trace files collected using SEP tool in vtune.I use the below commandC:\Users\pyn>amplxe-cl -import ToS_720p_29.97ps_H264_4000kbps_NOAUD_4min_R3.tb6...
View ArticleCan't find CLI_install folder
As part of the release note, release_notes_amplifier_linux.pdf, on page 7, it says:"Copy the CLI_install folder (found at the top level in the extracted product install package) to the remote...
View ArticleProcess name not getting diaplayed
Hi,I'm observing the vtune data being displayed as pid0x0 instead of the process name in some 5 sample , imported from the .tb6 file.Any idea how to find out the name of the process corresponding to...
View ArticleVTune causes unknown NMIs and sometimes seg faults
We're running VTune on a 256 core SGI Linux machine. In the syslog, we get the following messages when I start VTune: Kernel : vtss_cmd_start[cpu98]: starting vtss++ collectionKernel:...
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NVD3DUM Eating CPU Cycles
I've been doing a little profiling work on my games engine and have noticed that an inordinate amount of time can be spent inside the NVD3DUM.DLL module, and VTune reports up to 50% of my CPU workload...
View Article_PS vs ordinary event in VTune
Hello My question is exclusively about how VTune work with precise events. The difference between those two types in general is clear.So, while VTune allows to collect both types of events (e.g....
View Articleamplxe: Error: Permission error mapping pages
Hello,I'm a new user of Vtune. I installed as root vtune_amplifier_xe_2015 on a suse 11 linux node.I try to collect informations about hotspots for an MPI application and I get the following error...
View ArticleGetting elapsed time per function on parallel aplication
Hi,I'm only able to get CPU time, but I need elapsed / wallclock time on each function. The applications is parallelized using OpenMP.It will be perfect if it can be obtained through command line...
View ArticleList of all functions are not visible in VTune
Hi,I am executing performance analysis of C++ image processing code through VTune of Parallel Studio XE 2015 Composer Edition on Windows 7 and Intel Core i5 2400 processor platform, but could not able...
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