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.

Date of Patent:
Aug. 16, 2016

Filed:

Aug. 29, 2014
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Prasanna Jayaraman, Bangalore, IN;

Charles F. Marino, Round Rock, TX (US);

Srinivas B. Purushotham, Bangalore, IN;

Srinivasan Ramani, Cary, NC (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 21/40 (2006.01); H03K 21/02 (2006.01);
U.S. Cl.
CPC ...
H03K 21/023 (2013.01); H03K 21/40 (2013.01);
Abstract

A method of configuring a prescaling circuit in a performance counter circuit for a computer processing system can include receiving a first number of signaled events at a prescaling circuit configured to generate event counts for a performance counter circuit. The method can include generating event counts at a current event-count rate for the first number of signaled events and determining a detected event-count rate for the signaled events based on a rate at which the first number of signaled events are received at the prescaling circuit. The method can include determining that the detected event-count rate is greater than the current event-count rate. The method can include increasing the current event-count rate in response to determining that the detected event-count rate is greater than the current event-count rate.


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