PC sampling is a form of software profiling, where the threads of an application are periodically interrupted and the program counter that the thread is 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: add pc sampling capability check James Zhu (19): drm/amdkfd: add pc sampling mutex drm/amdkfd: add trace_id return drm/amdkfd: check pcs_enrty 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 start drm/amdkfd: enable pc sampling stop drm/amdkfd: enable pc sampling work to trigger trap drm/amdkfd: add queue remapping 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 | 72 + .../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 | 44 + drivers/gpu/drm/amd/amdkfd/kfd_device.c | 17 + .../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 | 348 +++ drivers/gpu/drm/amd/amdkfd/kfd_pc_sampling.h | 36 + drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 43 + 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 | 6 + include/uapi/linux/kfd_ioctl.h | 60 +- 19 files changed, 1792 insertions(+), 1059 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
