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Posted

Hi,

I would like to use HEARTBEAT feature in UVM to terminate the simulation in case any one of the block in not active or become dead or idle. I am not clear how to use it from user guide. Please help me to understand it. If possible, please share one example of heartbeat.

Posted

here are some examples (the developer tests)

http://uvm.git.sourceforge.net/git/gitweb.cgi?p=uvm/uvm;a=tree;f=tests/35objections/91heartbeat;h=64f960b506d9d6fc3323fdf677c96e24f6f07739;hb=refs/heads/UVM_1_1_d

basically the heartbeat raises an error if there is no "ping" from a set of objects(configurable) within a window. the window is defined by trigger events of an uvm_event used to configure the heartbeat. the set of objects is determined by the <hb>.add() calls. the notification of the "ping" (the "i-am-alive-message") is done via a uvm_callbacks_objection and raise/drop.

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