The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 07, 2025
Filed:
Aug. 02, 2021
Arm Limited, Cambridge, GB;
Michael John Williams, Cambridge, GB;
Arm Limited, Cambridge, GB;
Abstract
A data processing apparatus and method having processing circuitry, and trace circuitry having a trace buffer; write pointer storage, and a call depth counter, wherein the trace circuitry generates trace data processing first event activities: modify the call depth counter in a first direction, store first trace data indicative of the first event, and modify the write pointer to point to a next location in the trace buffer; in response to a second event, when the call depth counter is not equal to a threshold call depth, to: modify the call depth counter direction and the write pointer to point to a previous location in the trace buffer; and in response to the second event, when the call depth counter is equal to the threshold call depth, to store second trace data indicative of the second event in the trace buffer at the current location.