Managing Timeline View

Group the data by program units

Use the Timeline grouping menu to select a grouping level:

A grouping level depends on the analysis type. Selected grouping affects the metrics provided in the Timeline pane. If some of the metrics are not supported for the selected grouping, this data does not show up in the Timeline view and the legend is updated accordingly.

Sort the data

Right-click the list of threads/cores/CPUs (depending on the analysis type) and select the required type of sorting from the Sort By content menu option:

Re-order the rows

Select the row you need, hold and drag it to the required position. Press SHIFT to select multiple adjacent rows. Press CTRL to select multiple disjointed rows.

Filter data

Select the required program unit(s), right-click and choose from the context menu to filter in or filter out the data in the view by the selected items. To go back to the default view, select the Remove All Filters option.

Select particular ranges/objects for analysis

Drag and drop to select a time range for analysis (default). Press SHIFT and drag a rectangle to select objects (context switches, tasks, frames, and others) on the timeline. You may interchange the default behavior via the context menu option Use Shift for Object Selection. To add new objects to a selection or de-select already selected objects, press CTRL.

Zoom in and focus on a particular graph section

1. Drag and drop to select the range of interest.

2. Right-click and select Zoom In on Selection from the context menu.

To restore the timeline to the previous state, right-click and select Undo Previous Zoom Selection. To restore the timeline to the entire time interval (for example, after multiple zooming operations), right-click and select Reset Zoom from the context menu or click the Reset Zoom button on the timeline toolbar.

Zoom in/Zoom out the timeline

Click the Zoom In/ Zoom Out buttons on the timeline toolbar.

Change the height of the row

Right-click and select the Change Band Height option from the Timeline context menu and select the required mode:

Change the measurement units on the time scale

Right-click, select the Show Time Scale As context menu option, and choose from the following values:

• Elapsed Time (default)

• OS Timestamp

• CPU Timestamp

Open the source view

Double-click the required transition/wait. The Intel® VTune™ Amplifier opens the Source or, if symbol information is not available, Assembly pane and highlights the corresponding waiting/signaling call site.

Synchronize the selection with other panes

Select a thread/module of your interest. VTune Amplifier automatically highlights the program units (for example, functions) corresponding to the selected item in the Bottom-up and Top-down Tree panes.