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If TTM eviction and restore happens, it may takes very long time if retry, the longest time is 5 minutes during my test. There is chance packet is submited to queue while eviction, we have to increase the Wait4PacketConsumption timeout. The queue will continue to execute after eviction and restore. If we upmap the memory from GPU while queue is evicted, this will cause VM fault. Change to unmap memory after queue is destroyed. Change-Id: I1b44e2274ea7b83398b2e3293578dad6947cb5af Signed-off-by: Philip Yang <Philip.Yang@amd.com>
1. Note on building kfdtest To build this kfdtest application, the following libraries should be already installed on the building machine: libdrm libdrm_amdgpu libhsakmt If libhsakmt is not installed, but the headers and libraries are present locally, you can specify its directory by export LIBHSAKMT_PATH=/*your local libhsakmt folder*/ With that, the headers and libraries are searched under LIBHSAKMT_PATH/include and LIBHSAKMT_PATH/lib respectively. 2. How to run kfdtest Just run "./run_kfdtest.sh" under the building output folder. You may need to specify library path through: export LD_LIBRARY_PATH=/*your library path containing libhsakmt*/ Note: you can use "run_kfdtest.sh -h" to see more options.