US Patent Issued to Google on Dec. 9 for "Call stack profiling with hardware-assisted call path signature generation" (California Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,542, issued on Dec. 9, was assigned to Google LLC (Mountain View, Calif.).

"Call stack profiling with hardware-assisted call path signature generation" was invented by Konstantin Serebrianyi (Palo Alto, Calif.), Xinliang David Li (Palo Alto, Calif.) and Alexey Alexandrov (Mountain View, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the disclosure relate to computing and maintaining stack call signatures with support for fast online stack unwinding. Instead of sampling and unwinding stack frames, a system maintains and updates a separate call path signature for each sampled frame. The call path signature encodes the contents of each...