Use VTuneAPI in your code to profile without launching VTune(TM) Analyzer
Tips and technical notes for VTune(TM) Performance Analyzer Author: Peter Wang (Intel) Type: Technical Notes |
10/15/2009
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Where are my threads?
VTune, Threading, Affinity, Scheduling Threads, Sample Over Time Author: Levent (Intel) Type: Technical Notes |
09/30/2009
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To make sure that all functions show up in call graph
Problem : During generation of call graph, Instrumentation Level to “All functions” is specified (function in the function list is checked), but the function does not show up in the call graph functi ... Author: Corey Alsamariae (Intel) Type: Technical Notes |
09/09/2009
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Firewall setting prevents RDC connection
Solving the problem for connecting to Linux* RDC Author: Peter Wang (Intel) Type: Technical Notes |
06/07/2009
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How Do I Call Graph my Microsoft* Windows* Service?
Special steps needed to correctly call graph Windows Services Author: Geoffrey Burling (Intel) Type: Technical Notes |
03/13/2009
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Why is the number of threads unexpected after running sampling data collection?
Help the user to understand sampling results Author: MrAnderson (Intel),Peter Wang (Intel) Type: Technical Notes |
02/24/2009
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Using VTune™ Peformance Analyzer for Intel® Atom™ Processor on Windows* XP
The Intel® VTune™ Performance Analyzer 9.1 in it's latest update release now fully supports performance analysis including event based sampling for the Intel® Atom™ Processor running Microsoft Windows*. Author: Robert MuellerAlbrecht (Intel) Type: Technical Notes |
12/14/2008
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Why are different results generated from TBS and EBS in the VTune™ Performance Analyzer?
This article explained inconsistant results from TBS and EBS Author: Peter Wang (Intel) Type: Technical Notes |
12/09/2008
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High Clocks Per Instruction Retired when vectorizing the loop.
Sometimes when we vectorize a loop, we get a high Clocks Per Instruction Retired (CPI) value. This happens when there is high bus utilization and the bus gets saturated. Type: Technical Notes |
11/18/2008
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Performance Tools for Software Developers - What is new in VTune™ analyzer 9.1?
Windows*
Support for profiling runtime generated and interpreted code (JIT Profiling API Support).
Support for VTune™ Performance Analyzer Reader/Writer API (TBRW) This API enables you to rea ... Type: Technical Notes |
09/19/2008
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Intel® VTune™ Performance Analyzer for Windows* - Non-halted Clockticks and Clockticks
Solution:The sampling interrupt is only generated when the "Sample After" number of Clockticks events occurs, and the Non-halted Clockticks event does not count clocks when the CPU is executing a Ha ... Type: Technical Notes |
09/19/2008
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Intel® VTune™ Performance Analyzer for Windows* - Warning Message box:Line number information is not available for this module.
Symptom(s):Warning Message box:Line number information is not available for this module. Only Disassembly mode will be available.
Solution:The line information was not found. Make sure you build you ... Type: Technical Notes |
09/19/2008
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Intel® VTune™ Performance Analyzer for Windows* - The Source only and Mixed buttons are disabled
Symptom(s):The Source only and Mixed buttons are disabled
Cause:The VTune™ Performance Analyzer could not locate the source file, or line number information is not available. Source view can o ... Type: Technical Notes |
09/19/2008
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Intel® VTune™ Performance Analyzer for Windows* - The summary pane does not list my functions.
Symptom(s):The summary pane does not list my functions.
Cause:The symbol information was not found.
Solution:Make sure you compile your project with line number information or, at least symbol infor ... Type: Technical Notes |
09/19/2008
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Intel® VTune™ Performance Analyzer for Windows* - Event Columns Are Empty
Symptom(s):The event columns are empty.
Cause:This may happen because the module or source file do not match the activity result.
Solution:Insure that the binary file was built with the revision of ... Type: Technical Notes |
09/19/2008
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Intel® VTune™ Performance Analyzer for Windows* - Getting Started and help
Solution:All information about the Intel® VTune™ Analyzer is contained in the online help. The context-sensitive online help can be activated in several ways:
Click the right-mouse button to in ... Type: Technical Notes |
09/19/2008
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Intel® VTune™ Performance Analyzer for Windows* - No Samples in Expected Module
Symptom(s):
When viewing collected sampling data, some modules are not represented by samples.
Solution:When the Intel® VTune™ Performance Analyzer cannot identify to which module a particular ... Type: Technical Notes |
09/19/2008
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Intel® VTune™ Performance Analyzer for Windows* - How to specify name and location for the project file
Solution:At project creation, you can specify the project name and path. After project creation, to change the project name, right click on the project name in the Project Navigator and select "Renam ... Type: Technical Notes |
09/19/2008
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Intel® VTune™ Performance Analyzer for Windows* - How to provide the name of pdb file
Solution:Config. /Options / Directories and then change the "Show directories for" on the top to: Symbol files. Double click on the path and change it.
[image]
... Type: Technical Notes |
09/19/2008
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Intel® VTune™ Performance Analyzer for Windows* - How to Setup a Linux* Box with SAMBA*
Solution:
There is no BKM (Best Known Method) to setup a Linux* box with SAMBA* because networks, network security, and server setups vary so widely there isn't a default to start with. Is the code ... Type: Technical Notes |
09/19/2008
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Intel® VTune™ Performance Analyzer for Windows* - Differences Between TBS and EBS Sampling
Solution:
TBS sampling uses the system clock while EBS sampling uses special sampling registers within the processor.
EBS sampling has a lower overhead than TBS sampling but is affected by the HLT ... Type: Technical Notes |
09/19/2008
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Intel® VTune™ Performance Analyzer for Windows* - How to get call graph information for executables produced by Microsoft Visual
Solution:In order to get call graph information for executables produced by Microsoft Visual Basic 6.0, you need to define the environment variable LINK=/fixed:no, before building the application. P ... Type: Technical Notes |
09/19/2008
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Intel® VTune™ Performance Analyzer for Windows* - How to check for base relocations
Solution:There are two ways to check for the base relocations in the .exe or .dll files:
Using the Windows* Quick Info:Right-click the file and choose Quick Info. Look at the Characteristics field in ... Type: Technical Notes |
09/19/2008
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Intel® VTune™ Performance Analyzer for Windows* - Produce Symbols for the Optimized Version of the Code
Solution:
Make sure to modify the settings for the release version of the project - the one with optimizations turned on.
In Visual C: Project, Settings,
Settings For should be the release version, ... Type: Technical Notes |
09/19/2008
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Intel® VTune™ Performance Analyzer for Windows* - Error Message: LIBVSAMP Error: ( 100 ) Failed to open device /dev/vtune_d.
The user account that is attempting to start '
vtserver' must belong to the '
vtune' group (unless a different group was specified during installation). Ensure that the user belongs to this group by ... Type: Technical Notes |
09/19/2008
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