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:
Jun. 01, 2021

Filed:

Mar. 25, 2019
Applicant:

Alibaba Group Holding Limited, Grand Cayman, KY;

Inventors:

Jian Chen, San Mateo, CA (US);

Li Zhao, San Mateo, CA (US);

Ying Zhang, San Mateo, CA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 13/20 (2006.01); G06F 9/455 (2018.01); G06F 13/42 (2006.01);
U.S. Cl.
CPC ...
G06F 13/20 (2013.01); G06F 9/45558 (2013.01); G06F 13/4221 (2013.01); G06F 2213/0024 (2013.01);
Abstract

The present disclosure provides a system for monitoring I/O traffic. The system includes a memory storing information, a device, and a translation lookaside buffer (TLB). The device is configured to send a request for accessing information from the memory. The TLB includes a counter register file having counter registers, and entries having corresponding counter ID fields. The TLB is configured to receive a source identifier of the device and a virtual address associated with the request from the device, select an entry of the entries using the source identifier and the virtual address, select a counter register from the counter registers in accordance with information stored in the counter ID field of the selected entry, and update a value of the selected counter register in accordance with data transferred in association with the request.


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