intel vtune yukai hong department of mathematics national taiwan university july 24, 2008

Intel VTune

Yukai Hong

Department of MathematicsNational Taiwan University

July 24, 2008

Installation of Intel VTune

Step 1

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Step 2

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Intel VTune Yukai Hong

Step 3

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Step 4

Get the serial number from Intel website with free registration.

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Step 5

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Step 6

Enforcing installing since the Linux version does not support.

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Step 7

Read the documentations.

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Step 8

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Step 9

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Step 10

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Step 11

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Step 12

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Step 13

Change the authority of global folders for all user.

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Starting of Intel VTune

vtl: text modevtlec: graphic mode


Usage of Intel VTune

Set the personal workspace.



Select Call Graph option to analyze program with analytic graph.



Select Linux executable option to analyze compiled file.



Select compiled or executable file to launch and analyze.



After launching, double click Call Graph Results.



The red part appears.

If you launch more than one file, it has more than one label.



The red part shows the all the details for each function.



The red part shows the called (tree) graph of all functions.



The red part shows the information on launching the file.



Your launch file name and others are standard library.



You can see all detailed information for each function.



Include details

(1) calls

(2) average self time per call

(3) self time

(4) total time

(5) self wait time

(6) total wait time

(7) class

(8) module path

(9) full name



Include details

(10) source file

(11) % in function

(12) average total time per call

(13) callers

(14) callees

(15) address



Select one of functions for more detailed information.



(1) The first part shows which function call it.

In this case, it means function A calls function B1.

(2) The second part shows which function are called by it.

In this case, it means function B1 calls C1, C2 and C3.



Click each element on graph can show more detailed information.



Highlight option can show only special terms on graph.


Thanks


intel vtune yukai hong department of mathematics national taiwan university july 24, 2008

Documents

intel website

intel vtune vtl

graph option

launch file

calls function b1

executable file

compiled file

self wait time