Memory part 7: Memory performance tools
Posted Nov 17, 2007 21:39 UTC (Sat) by
anton (guest, #25547)
In reply to:
Memory part 7: Memory performance tools by Ponto
Parent article:
Memory part 7: Memory performance tools
I would write a small program that does cache ping-pong, and then look
at which events are counted. For the "AMD64" events I would especially
look at DATA_CACHE_REFILLS_FROM_SYSTEM and DATA_CACHE_LINES_EVICTED
with various combinations of cache states for the Unit Mask options.
PIPELINE_RESTART_DUE_TO_PROBE_HIT, DCACHE_MISS_LOCKED_INSTRUCTIONS,
SYSTEM_READ_RESPONSES, CACHE_BLOCK_COMMANDS,
PROBE_RESPONSES_AND_UPSTREAM_REQUESTS and
HYPERTRANSPORT_LINK*_BANDWIDTH are probably also relevant.
(
Log in to post comments)