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authorMarek Olšák <[email protected]>2015-07-04 14:10:21 +0200
committerMarek Olšák <[email protected]>2015-08-26 19:25:18 +0200
commit525921ed51176255474c73adacfc6801a7bf2783 (patch)
tree2695524d4f9d915a8c5bce90590a2086aebc3d74 /src/gallium/drivers/radeonsi/si_shader.h
parent0fc21ecfc0891d239f20bf7724e51bc75503570c (diff)
gallium/ddebug: new pipe for hang detection and driver state dumping (v2)
v2: lots of improvements This is like identity or trace, but simpler. It doesn't wrap most states. Run with: GALLIUM_DDEBUG=1000 [executable] where "executable" is the app and "1000" is in miliseconds, meaning that the context will be considered hung if a fence fails to signal in 1000 ms. If that happens, all shaders, context states, bound resources, draw parameters, and driver debug information (if any) will be dumped into: /home/$username/dd_dumps/$processname_$pid_$index. Note that the context is flushed after every draw/clear/copy/blit operation and then waited for to find the exact call that hangs. You can also do: GALLIUM_DDEBUG=always to do the dumping after every draw/clear/copy/blit operation without flushing and waiting. Examples of driver states that can be dumped are: - Hardware status registers saying which hw block is busy (hung). - Disassembled shaders in a human-readable form. - The last submitted command buffer in a human-readable form. v2: drop pipe-loader changes, drop SConscript rename dd.h -> dd_pipe.h Acked-by: Christian König <[email protected]> Acked-by: Alex Deucher <[email protected]>
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