CPU_CLK_UNHALTED.THREAD事件中的CLOCK是时钟周期还是机器周期呢?@Peter Wang
我是一个新手。在收集内存访问事件时有一些疑惑，现有如下几个问题想请假大家。1.对于CPU_CLK_UNHALTED.THREAD事件中的CLOCK指的是时钟周期还是机器周期？2.如果CPU_CLK_UNHALTED.THREAD指的是机器周期数的话，而且从教科书上知道执行一条指令所花费的机器周期数至少应该是1，那通过CPU_CLK_UNHALTED.THREAD /...
View Articlecannot load data file for Python trace
HiI'm following the instructions to profile a long-running Python process. It used to work a few weeks ago but today I keep getting the error below. I can see that the pytrace file actually exists and...
View ArticleInstallation failed on linux
HiI am trying to install vtune but installation is getting failed and here is the output from end in the log file....1460650111 - : env_set_string_internal: key "ChklicIntel64" with value...
View Articleamplxe-gui XPCOMGlueLoad error
I want to use vtune.But I get following information while I start vtune with amplxe-gui. wj@mcc21:~$ amplxe-gui XPCOMGlueLoad error for file...
View ArticleHelp using Vtune for analyzing JAVA applications
Hi All,I am trying to use Intel VTUNE 2016 v2 for analyzing a simple java program using the general exploration mode. The Java program is as follows:-public class SimpleEx { public static void...
View ArticleClik here to view.
Black summary screen in VTune
Hi,For the last weeks, I've encountered a black summary screen with Intel VTune, both standalone and Visual Studio plugin. It worked fine before both upgraded to VTune 2016 Update 2 and Visual Studio...
View ArticleClik here to view.
Your version of the Intel Graphics Driver is obsolete and needs to be updated...
Hello folks,I got the error message "Your version of the Intel Graphics Driver is obsolete and needs to be updated before collection" after selecting Overview under "Analyze Processor Graphics hardware...
View ArticleControl flow graph?
I'm using an eval copy of VTune Amplifier XE 2016 on Linux. I've found that it can organize a function's assembly code according to numbered basic blocks.Is there any way I can easily get a graphical...
View Articlepurchasing Intel Vtune
HiI am using Intel Vtune and i want to convince my employer to buy it for our profiling activities. However i am confused about something.I wish to use Vtune Amplifier XE for profiling my local and...
View ArticleCommand line syntax for xeon phi
I am attempting to collect vtune data on a xeon phi for a native binary (mic0/tmp/a.out) I am unable to decipher the vtune command line. Something like amplxe-cl -collect general-exploration -target...
View Article2017 Beta feature: ring buffer collection
Ever wanted to collection data for the last x seconds/minutes of your application's execution so that you didn't have tons of data to sift through?! Well, now you can do exactly that with the VTune...
View ArticleLibrary APIs are failing with remote vtune
Hi, I am new to "Intel Vtune Amplifier" tool usage and started with "Intel Vtune Amplifier 2013" to analyse sample application programs with Linux.I am trying to run sample application program remotely...
View ArticleMethod/function invocation trace logging
I want to analysis a large open-sourced java framework with Vtune Amplifier. In particular, I want to log the method invocation sequences during its execution. Each output entry should contains "method...
View Articleapplication parameters
Hi !I'm a beginner with vtune amplifier xe, i wont to use this tool to profile my code but i don't know how to put my parameters in the field application parameters window.Normally to run my...
View Articlevectorization usage 0?
I collected VTune general exploration on Intel Xeon Phi - KNC. I expected to see data in the column for vectorization usage. Instead this column is zero. My program includes a call to mkl - dgemm...
View Articlepax vtsspp and sep drivers, what they do
Linux build of the drivers givessep3_15, vtsspp, and PAX drivers.I'm familiar with SEP. Is PAX something like "Power Analysis X" or something related to sampling power counters? What is VTSSPP an...
View Articlev2016.2 Ubuntu 14.04 how to build sep kernel driver
Hi,Quoting sepdk/src/README.txt before asking my question ------------------------------------------------------------------------------------------------ 4. Other Linux Distributions or KernelsFor...
View Articleamplxe-gui segmentation fault on startup
Hi,I have installed "Intel(R) VTune(TM) Amplifier XE 2016 Update 2" on my Linux host.The executable "amplxe-gui" is crashing on startup . Pasted below the stack trace of the core dump. Please let me...
View Articlenamed license usage on multiple target machines
I seem to be unable to find the proper search terms to get my answer so I'll ask it directly.In my shop I want to run amplxe-gui to collect data on many different target machines (say 100 different...
View Article