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xenon_get_data

Note

This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information.

Gather all of the stack traces this request thread has captured by now

namespace HH;

function xenon_get_data(): varray<XenonSample>;

Does not clear the stored stacks.

Returns​

  • array - - an array of shapes with the following keys: 'time' - unixtime when the snapshot was taken 'stack' - stack trace formatted as debug_backtrace() 'phpStack' - an array of shapes with the following keys: 'function', 'file', 'line' 'ioWaitSample' - the snapshot occurred while request was in asio scheduler

It is possible for the output of this function to change in the future.