A64FX

Architecture specific notes for Fujitsu A64FX (ARMv8)

Performance groups

Fujitsu A64FX Performance groups

Events

The input file for the events on Fujitsu A64FX (ARMv8) can be found here.

Counters

• Core-local counters
  • General-purpose counters

Core-local counters

General-purpose counters

The Fujitsu A64FX (ARMv8) microarchitecture provides 6 general-purpose counters consisting of a config and a counter register.

Counter name	Event name
PMC0	*
PMC1	*
PMC2	*
PMC3	*
PMC4	*
PMC5	*

Currently no options are available for Fujitsu A64FX (ARMv8). All handling is managed by perf_event. The code should work for all variants of the Fujitsu A64FX architecture but some events might not work like the TOFU events for the FX700 variant as it does not have the Tofu interconnect.