PC sampling is a form of software profiling, where the threads of an application are periodically interrupted and the program counter that the threads are currently attempting to execute is saved out for profiling. David Yat Sin (5): drm/amdkfd/kfd_ioctl: add pc sampling support drm/amdkfd: add pc sampling support drm/amdkfd: enable pc sampling query drm/amdkfd: enable pc sampling create drm/amdkfd: Set debug trap bit when enabling PC Sampling James Zhu (19): drm/amdkfd: add pc sampling mutex drm/amdkfd: add trace_id return drm/amdkfd: check pcs_entry valid drm/amdkfd: enable pc sampling destroy drm/amdkfd: add interface to trigger pc sampling trap drm/amdkfd: trigger pc sampling trap for gfx v9 drm/amdkfd/gfx9: enable host trap drm/amdgpu: use trapID 4 for host trap drm/amdgpu: add sq host trap status check drm/amdkfd: trigger pc sampling trap for arcturus drm/amdkfd: trigger pc sampling trap for aldebaran drm/amdkfd: use bit operation set debug trap drm/amdkfd: add setting trap pc sampling flag drm/amdkfd: enable pc sampling stop drm/amdkfd: add queue remapping drm/amdkfd: enable pc sampling start drm/amdkfd: add pc sampling thread to trigger trap drm/amdkfd: add pc sampling release when process release drm/amdkfd: bump kfd ioctl minor version for pc sampling availability .../drm/amd/amdgpu/amdgpu_amdkfd_aldebaran.c | 11 + .../drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c | 14 +- .../gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c | 73 + .../gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.h | 7 + drivers/gpu/drm/amd/amdkfd/Makefile | 3 +- .../gpu/drm/amd/amdkfd/cwsr_trap_handler.h | 2106 +++++++++-------- .../drm/amd/amdkfd/cwsr_trap_handler_gfx9.asm | 29 +- drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 75 +- drivers/gpu/drm/amd/amdkfd/kfd_debug.c | 26 + drivers/gpu/drm/amd/amdkfd/kfd_debug.h | 3 + drivers/gpu/drm/amd/amdkfd/kfd_device.c | 14 + .../drm/amd/amdkfd/kfd_device_queue_manager.c | 11 + .../drm/amd/amdkfd/kfd_device_queue_manager.h | 5 + drivers/gpu/drm/amd/amdkfd/kfd_pc_sampling.c | 426 ++++ drivers/gpu/drm/amd/amdkfd/kfd_pc_sampling.h | 35 + drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 46 + drivers/gpu/drm/amd/amdkfd/kfd_process.c | 32 +- .../amd/include/asic_reg/gc/gc_9_0_offset.h | 2 + .../amd/include/asic_reg/gc/gc_9_0_sh_mask.h | 5 + .../gpu/drm/amd/include/kgd_kfd_interface.h | 7 + include/uapi/linux/kfd_ioctl.h | 64 +- 21 files changed, 1914 insertions(+), 1080 deletions(-) create mode 100644 drivers/gpu/drm/amd/amdkfd/kfd_pc_sampling.c create mode 100644 drivers/gpu/drm/amd/amdkfd/kfd_pc_sampling.h -- 2.25.1
