User Guide

Contents

Call Stack Mode

Use the
Call Stack Mode
filter bar menu to choose how to show system functions in the stack.
By default, the
Intel® VTune™
Profiler
uses the
User function + 1
mode and filters out all system functions except for those directly called from user functions.
To view system functions (for example, kernel stacks) in the user function stacks, select the
User/system functions
call stack mode :
To locate the call of the kernel function in the assembly code, double click the function in the
Call Stack
pane.
For more accurate kernel stack analysis on Linux targets, use the
CONFIG_FRAME_POINTER=y
option for kernel configuration.

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.