[Intel-gfx] Shared memory management

Michal Mocny mmocny at google.com
Thu Mar 1 17:41:53 CET 2012


I am trying to measure video memory usage as per Ben Widawsky's
instructions from a while back:

mount debugfs
cat /sys/kernel/debug/dri/0/i915_gem_gtt

However, the numbers are difficult to read/draw conclusions from.  Can I
get some insight into the meaning of the various column values?
 Specifically, if I would like to measure the actual current physical
memory usage, should any of the values be ignored?

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