Investigate Data Access

CodeXL User Guide

This pre-defined configuration helps investigate data locality and poor DTLB behavior.

Hardware Events: (the numeric hardware event codes are the codes the CPU uses to identify these events)

· [0C0] Retired Instructions

· [040] Data cache accesses

· [041] Data cache misses

· [042] Data cache refills from L2 or Northbridge

· [045] L1 DTLB miss and L2 DTLB hit

· [046] L1 DTLB and L2 DTLB misses

· [047] Misaligned accesses

The available views for profiles with this data are:

· All Data

· DTLB assessment

· DTLB report

· Data access assessment

· Data access report

· Misaligned access assessment