Invention Grant
- Patent Title: Periodic non-intrusive diagnosis of lockstep systems
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Application No.: US15410271Application Date: 2017-01-19
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Publication No.: US10331532B2Publication Date: 2019-06-25
- Inventor: Kapil Bansal , Kailash Digari , Rahul Gulati
- Applicant: QUALCOMM Incorporated
- Applicant Address: US CA San Diego
- Assignee: QUALCOMM Incorporated
- Current Assignee: QUALCOMM Incorporated
- Current Assignee Address: US CA San Diego
- Agency: Patterson & Sheridan, LLP
- Main IPC: G06F11/27
- IPC: G06F11/27 ; G06F11/273 ; G06F11/22 ; G06F11/16

Abstract:
Aspects disclosed herein relate to periodic non-intrusive diagnosis of lockstep systems. An exemplary method includes comparing execution of a program on a first processing system of the plurality of processing systems and execution of the program on a second processing system of the plurality of processing systems using a first comparator circuit, comparing the execution of the program on the first processing system and the execution of the program on the second processing system using a second comparator circuit, and running a diagnosis program on the second comparator circuit while the comparing using the first comparator circuit is ongoing.
Public/Granted literature
- US20180203778A1 PERIODIC NON-INTRUSIVE DIAGNOSIS OF LOCKSTEP SYSTEMS Public/Granted day:2018-07-19
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