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How to measure L1 and L2 cache hit rate with analyzing memory objects?
Hello, everyone:I am a new user of Intel Vtune. I want to measure the L1 and L2 cache hit rate on intel Xeon E5-2698 v4 (Broadwell-EP) with the Data Linear Address Profiling.So I'm trying to generate a...
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Wrong number of logical processors detected by VTune in a Skylake Xeon
I am running VTune 2018 (build 525261) on CentOS 7.4 with kernel 3.10.0-693. The processor is a 2-way Intel Xeon Gold 6128 (2 sockets, 6 cores per socket, hyper-threading enabled for a total of 24...
View Article"Memory access" analysis cause the computer to hang
Debian 9.2.3 x86_64 and OpenSuse 4.2.3 x86_64. My processor is i5-4690. I use Intel® Parallel Studio XE Cluster Edition for Linux 2018 update 1 and 2017 update 5 (for Students). My project is built...
View ArticleProfiling only DLLs with VTune
We use the Intel VTune Amplifier XE 2013 product. So far I cannot quite figure how to profile only a DLL I am interested in. Our product is a plug-in like entity that runs in the address space of a...
View ArticleColon separated symbol search paths
Do the symbol search paths entries support multiple directories separated by colons?If not, is there a way to add many symbol search directories? For example through csv or some other means.Thank you
View Articlevcs/collectunits1/sal/src/linux/sal.c:831 sal_munmap: Assertion 'result == 0'...
When I made use of vtune to do profiling, following error is seen, the profiling stopped. vcs/collectunits1/sal/src/linux/sal.c:831 sal_munmap: Assertion 'result == 0' failed. The tool I used is: Intel...
View ArticleQuestion about "avnalyze memory object"
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View Articlethread execution speed jitter
Hi,I am developing a computationally intensive application on a Dell R730 server with 2 Xeon E5 cpus (24 cores in total) running on Linux Debian 64 bits Jessie. My application is structured as follows:...
View ArticleCannot go to source file
Hi!When I click "View Source", instead of the source code Amplifier shows me the Assembly and indicates that source file is undefined. I created a tiny example, which reproduces the...
View ArticleCan I use VTune on Linux command line and view the report on my Windows Machine?
Unfortunately, there is no way for me to use a GUI on our school's network so my hope is that I can still use the tool on the command line but then use whatever report data it generates locally on my...
View ArticleBlue Screen - SYSTEM_SERVICE_EXCEPTION after clicking "New Analysis" in...
Hello,I downloaded Intel System Studio today (system_studio_2018.0.040_windows_target_online) and installed it. I am using the latest Visual Studio Enterprise 2017 Preview - Version 15.7.0 Preview 1.0....
View ArticleRAW sampling data
Hi, I find the the fine-grained sampling from Vtune with 1 sample/ms is especially useful for my work. However, i need the raw data about hardware performance counters. How can i get it? I read through...
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VTune Mac - unable to add Application
Hi,I'm Venkata. I work for Intel Corporation in the AI group. This is my first time using VTune. I'm having trouble initializing the project and also with the error message at the top that says...
View Articlevtune 2018 crashed when collecting locksandwaits for golang benchmark http,...
pkg: golang.org/x/benchmarks goos: linux goarch: amd64 Collection and Platform Info ---------------------------- Parameter r001lw ------------------------...
View ArticleCan't run a lot of analysis on supported CPU
I'm trying to run the "Memory Access" analysis but i'm getting the following error "This analysis type is not applicable to the current machine microarchitecture." Reading the docs here...
View ArticleRecipe: Inefficient TCP/IP Synchronization
Hi All.We would like to share the https://software.intel.com/en-us/vtune-amplifier-cookbook-inefficient-tc... recipe for our VTune Amplifier Performance Analysis Cookbook.This recipe shows how to...
View ArticleFrontend Bound and Branch Mispredicts will overlap?
Hi all, If a program has many branches, and speculation is very bad. Will it show big percentage both in Frontend Bound and Branch Mispredicts?Because I found Frontend will count unused slots to RAT...
View ArticleUsing VTune2018 for Xeon Phi knight Corner
Hello ,everyone. I recently used the VTune 2018 for Xeon Phi 5110p (KNC) but I found some differences in the new version. In analysis target tab, I can not find the Intel Xeon Phi coprocessor (native)...
View ArticleVTune SGX Hotspots doesn't show enclave perf data
Hi,I'm working on an SGX project, I'm trying to perf-analyze it using VTune with no much success - I'm not getting perf analysis for the enclave dll.My system:1. SGX SDK v1.9.106.43403 2. SGX PSW...
View ArticleMax CPU testing with VTune
Hi, I am desiring to maximize the CPU using VTune similar to how PTUGen used to work to maximize the stress on the system.Intel, do you have any scripts for VTune which create maximum stress on the CPU...
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