Comment 20 for bug 1798165
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#20 |
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73416ba
(Get the code!)
Created attachment 141641
Logs and screenshot
Great news! Looks like the memory leak is no longer happening or is very, very slow (see later). I played Forsaken Castle demo for 10 minutes, a game I became skilled thanks to this bug, and the amount of pages started at 100 objects and finished at 100 objects. The attached file has dmesg, /proc/slabinfo and a screenshot.
Comparing to the previous situation, where 12 minutes playing allocated 110 MB, it's perfect. I'm not sure if it's placebo effect, but looked like the game was running faster too, 125-130 FPS instead of 100-120 FPS.
Later I started Dota 2 (INTEL_DEBUG=nohiz used due to the hang and crash bug) and the i915_request object count rose to 650, when I closed it reduced to 350. I restarted X session and there is no sign of i915_request on slabtop, /proc/slabinfo has:
i915_request 350 450 640 25 4 : tunables 0 0 0 : slabdata 18 18 0
The values seem pretty small but it did not reduce restarting X, not sure how relevant this is.
This patch looks great.