stackwalk-mode

Choose between online and offline modes to analyze stacks during Survey analysis.

GUI Equivalent

Project Properties > Analysis Target > Survey Hotspots Analysis > Advanced > Stack unwinding mode

Syntax

--stackwalk-mode=<string>

Arguments

Argument

Description

online

Analyze stacks during collection.

offline

Analyze stacks after collection.

Default

offline

Actions Modified

collect=survey

Usage

Set to offline when Survey analysis overhead exceeds 1.1x and/or a large quantity of data is allocated on the stack, which is a common case for Fortran applications or applications with a large number of small, parallel, OpenMP* regions.

Usage can decrease collection overhead.

Example

Run a Survey analysis. Analyze stacks during collection.

advixe-cl --collect=survey --project-dir=./myAdvisorProj --stackwalk-mode=online -- ./bin/myTargetApplication
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