Hi everyone,
The Chapter Performance Monitors Extension in Arm ARM gives a definition "Speculatively executed", which says:
An instruction or operation that is counted by an event when it MIGHT be Speculative.
Sorry but I think this description is somehow ambiguous.
Form a u-architecture perspective, what information can I get from the *_SPEC events?
For instance, does INST_SPEC event just count all issued instructons?
Thanks in advance.