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Stack view column headers and the Maximum Stack Depth by Thread chart

At the top of the Stack view is a chart that lists best candidate for stack optimization for each thread.

Figure 36. Maximum Stack Depth by Thread chart

Maximum Stack Depth by Thread chart

Beside each bar is the name of the process that called the function, then the thread, then finally the function itself. This function exists in the call path with the highest stack depth for the thread, and, out of all the functions that exist in this call path, it used the most bytes.

Clicking on one of the bars bar filters the stack view to feature only functions that contributed to the peak stack for that thread. Click the Show All button to return the Stack view to its default state.

Here is a list of all of the column headers available in the Stack view:


The number of bytes used by the stack in this function. A question mark appears next to the total here if the function's stack usage is unknown. Try turning on Call stack unwinding in the Capture Options dialog box for best results in this view.


The total size of the function, in bytes.

Function Name

The name of the function, as specified in the source code.


This column reports the location of the function, listing both the file name and line of the declaration.


The Stack view depends on successful call stack unwinding. For more information on setting the Call Stack Unwinding option, see Capture options.


All data in the Stack view is dependent on the filtering selection in the Timeline view. If you have used the caliper controls to filter data in the Timeline view, the data in the Stack view reflects this selection.

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