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Applying Transformations to Profile Aggregates

For more precise control over the nodes that are displayed in the profiler, Palette provides a set of transforms that can be applied.

Transforms can be applied by right clicking a node or by using the predefined keyboard shortcuts. Multiple transformations are applied in the order they are created. The transform sequence is stored as a stack allowing you to pop or push operations as needed.

Here's a list of all available transforms along with their hotkeys:

  • Merge function m
  • Merge node only M
  • Focus on function f
  • Focus on subtree only F
  • Collapse function c
  • Collapse recursion r
  • Collapse direct recursion R
  • Drop samples with this function d

Merge function​

Merge function removes all appearances of the selected node from the profile and merges its self time to its parent. Useful for removing unhelpful functions from the profile.

Merge function diagram

Merge node only​

Merge node only removes only the currently selected node from the profile and merges itself time to its parent.

Merge node only diagram

Focus on function​

Focus on function removes all of the ancestor call nodes that do not contain the selected node and focuses on a set of subtrees.

Focus on function diagram

Focus on subtree only​

Focus on subtree only removes all of the ancestor call nodes of the selected node.

Focus on subtree only diagram

Collapse function​

Collapse function takes the entire subtree of the selected node and collapses it into a single node. Useful for collapsing large subtrees that are not relevant. For example, collapsing library code like React.

Collapse function diagram

Collapse recursion​

Collapse recursion takes the entire recursive subtree of the selected node and collapses it into a single node.

Collapse recursion diagram

Collapse direct recursion​

Collapse direct recursion takes the direct recursive subtree of the selected node and collapses it into a single node.

Collapse direct recursion diagram

Drop samples with this function​

Drop samples with this function removes all appearances of the selected node from the profile and drops all of its samples.

Note that if the total time of the parent node becomes 0, the parent node will automatically be removed from the profile.

Drop samples with this function diagram

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