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First questions regarding low cpu time and code execution in timeline
I can see a low cpu time in some regions of the timeline [vtune cpu time low image][1].I know how to select the region and do "filter in by selection", so the "function / call stack" lines above are...
View ArticleFunction names not displayed in vtune result
Hello,I am using vtune from Parallel studio 2017 update 4, with visuals studio 2017 under Windows 7. When I am doing a basic hotspot analysis, the result do not show any function names, see belowTop...
View ArticleVTune won't work on host when KVM guest is started
I am running VTune Amplifier XE 2017 Update 1 on a Broadwell system (Intel(R) Xeon(R) CPU E5-2698 v4).I am able to collect hardware counters using:amplxe-cl -collect-with runsa -knob event-config=$(cat...
View Articlevtune - unexpected AUX VEC type 26
when i'm tring to colect data with vtuneamplxe: Error: [Instrumentation Engine]: Source/pin/injector_nonmac/auxvector.cpp: CopyAux: 291: unexpected AUX VEC type 26os: arch linuxkernel vs:...
View ArticleBSOD when using Advanced hotspots, VTune Amplifier 2017 Update 3
Hello. I'm profiling a c++ desktop application.After updating VTune from 2016 U4 to 2017 U3 and switching to Visual Studio 2017 every time I launch Advanced Hotspots Analysis after 4-5 seconds I get OS...
View ArticleCollection Failed when running XE2017 for C++ hotspots analysis
Failed to run the target in both GUI and command line.Errors I got:amplxe: Warning: Cannot stop posix timer: __NR_timer_settime() system call returned -1. amplxe: Warning: Cannot stop posix timer:...
View ArticleCannot enable advanced capabilities for Hardware Event-based Sampling:...
I'm trying to use vTune Amplifier XE 2017 Update 3 on RHEL 7.1 to collect advanced-hotspots with stack-and-callcount.The installation has been successful, and I've followed all the troubleshooting...
View ArticleRunning executable under VTune causes hang
Hi,I am running an executable under VTune (2017 Update 2 (build 499904)). When I run the executable outside of Vtune, it exits normally and returns to the prompt in Linux (uname -a output: Linux...
View ArticleError: Too many events are opened
my command line:amplxe-cl -collect memory-access -knob sampling-interval=100 -target-pid=50457Output messageamplxe: Warning: To profile kernel modules during the session, make sure they are available...
View ArticleFiltered Out... with no filtering?
I just took my first profile data with this tool. The advanced hotspots view has a timeline with all the threads. However, there are multiple gaps in the timeline of 100s of milliseconds each where...
View Article[Instrumentation Engine]: Source/pin/elfio/img_elf.cpp:...
Hello all,I'm trying to use VTune's software analysis modes (basic hotspots, concurrency, locks&waits) but it seems like an update somewhere in the toolchain triggers a fail since recently. Now all...
View ArticleIntel VTune Amplifier issues
I recently underwent training on the Intel VTune Amplifier tool and had been trying the lab exercises mentioned in the Getting Started document provided with the Linux samples provided in the training....
View ArticleVTune Amplifier XE 2017 (3.0.510739) on Linux no longer invoking child...
Hello,I recently started evaluating VTune internally, and I had some good successes initially. However, I was working with the VTune "scripting" team on trying to diagnose a Python issue with VTune,...
View Articlegetting to view source with results
OK - I collected data for my application. I can open results and see data without source - but I can not associate source with the information.Here is what I used to collect the VTune information in...
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Where is the = menu button
I wanted to try to refinalize my results after updating source directories. I clicked on the ? button in the gui to get directions. The directions say to select a particular icon on the gui menu....
View ArticlevTune axmple-cl memory-access hangs on
Hi.I use the vTune amplxe-cl -collect memory-access command to collect data.The vTune version is vtune_amplifier_xe_2016_update4.tar.gz , my linux version is CentOS7 , and my CPU is Core i3.When I use...
View Articlesome collections break with newest RHEL/CentOS 7.3 kernel?
We are running VTune 17.3 ("Intel(R) VTune(TM) Amplifier XE 2017 Update 3 (build 510739)") on our Xeon Phi 7250 systems with RHEL/CentOS 7.3.We are running VTune with perf_events support, rather than...
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how to get the option CPU specific analysis
HII am using Vtune for System Version 2017 update3, I notice from the help document that there is the option of CPU specific analysis on the Analysis Type Page, as shown in the attachment 1However, I...
View ArticleFailed to get a thread handle when attaching to the process due to OS error...
I run into the following problem when try to collect data:Collection failed 7/6/2017 3:28:51 PM Collection failed. The data cannot be displayed. Failed to get a thread handle when attaching to...
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Application Performance Snapshot 2018 Beta Update is available for download
Hello,VTune team wants to inform you that the new update is available for Application Performance Snapshot 2018 Beta for Linux on the web.The tool is a light weight and easy to use performance report...
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