公开(公告)号：US20170269984A1

公开(公告)日：2017-09-21

申请号：US15075011

申请日：2016-03-18

Applicant: QUALCOMM INCORPORATED

Inventor： ANANTHA IDAPALAPATI ,  AJAYKUMAR SHANKARGOUDA PATIL ,  SUBODH SINGH ,  RAMSWAROOP SOMANI ,  GOPI KRISHNA NEDANURI ,  PAWAN CHHABRA ,  SARBARTHA BANERJEE ,  VICTOR WONG

IPC: G06F11/07 ,  G06F13/24 ,  G06F11/14 ,  G06F13/28

CPC classification number: G06F11/0757 ,  G06F11/0721 ,  G06F11/1441 ,  G06F13/24 ,  G06F13/28

Abstract: Systems and methods are disclosed for improved processor hang detection. An exemplary method comprises setting a timer with a hang threshold value for each of a plurality of processors of a system on a chip (SoC). The hang threshold value represents a time in microseconds. The method further comprising receiving a first heartbeat signal from each of the plurality of processors with detection logic hardware of a hang controller coupled to the plurality of processors and to the timer. The timer is reset for each of the plurality of processors if a second heartbeat signal is received from the corresponding one of the plurality of processors before the timer expires. Alternatively, a hang event notification is generated if the second heartbeat signal is not received from the corresponding one of the plurality of processors before the timer expires.