Use the Call Stack Mode filter bar menu to choose how to show system functions in the stack.

By default, the Intel® VTune™ Amplifier 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.

Note

For more accurate kernel stack analysis on Linux targets, use the CONFIG_FRAME_POINTER=y option for kernel configuration.

有关编译器优化的更完整信息,请参阅优化通知
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