diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4867-drm-amdgpu-Add-support-for-logging-process-info-in-a.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4867-drm-amdgpu-Add-support-for-logging-process-info-in-a.patch | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4867-drm-amdgpu-Add-support-for-logging-process-info-in-a.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4867-drm-amdgpu-Add-support-for-logging-process-info-in-a.patch new file mode 100644 index 00000000..3220fa98 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4867-drm-amdgpu-Add-support-for-logging-process-info-in-a.patch @@ -0,0 +1,110 @@ +From 322b5ce1ba16bec1517cdf3800fd36c5ec075b7c Mon Sep 17 00:00:00 2001 +From: Andrey Grodzovsky <andrey.grodzovsky@amd.com> +Date: Thu, 28 Jun 2018 22:51:32 -0400 +Subject: [PATCH 4867/5725] drm/amdgpu: Add support for logging process info in + amdgpu_vm. + +Add process and thread names and pids and a function to extract +this info from relevant amdgpu_vm. + +v2: Add documentation and fix identation. + +v3: Add getter and setter functions for amdgpu_task_info. + +Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> +Acked-by: Jim Qu <Jim.Qu@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 39 ++++++++++++++++++++++++++++++++++ + drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 16 ++++++++++++++ + 2 files changed, 55 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +index b1586a7..8b5dada 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +@@ -3010,3 +3010,42 @@ int amdgpu_vm_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) + + return 0; + } ++ ++/** ++ * amdgpu_vm_get_task_info - Extracts task info for a PASID. ++ * ++ * @dev: drm device pointer ++ * @pasid: PASID identifier for VM ++ * @task_info: task_info to fill. ++ */ ++void amdgpu_vm_get_task_info(struct amdgpu_device *adev, unsigned int pasid, ++ struct amdgpu_task_info *task_info) ++{ ++ struct amdgpu_vm *vm; ++ ++ spin_lock(&adev->vm_manager.pasid_lock); ++ ++ vm = idr_find(&adev->vm_manager.pasid_idr, pasid); ++ if (vm) ++ *task_info = vm->task_info; ++ ++ spin_unlock(&adev->vm_manager.pasid_lock); ++} ++ ++/** ++ * amdgpu_vm_set_task_info - Sets VMs task info. ++ * ++ * @vm: vm for which to set the info ++ */ ++void amdgpu_vm_set_task_info(struct amdgpu_vm *vm) ++{ ++ if (!vm->task_info.pid) { ++ vm->task_info.pid = current->pid; ++ get_task_comm(vm->task_info.task_name, current); ++ ++ if (current->group_leader->mm == current->mm) { ++ vm->task_info.tgid = current->group_leader->pid; ++ get_task_comm(vm->task_info.process_name, current->group_leader); ++ } ++ } ++} +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +index 7a4c967..9f70db6 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +@@ -167,6 +167,14 @@ struct amdgpu_vm_pt { + #define AMDGPU_VM_FAULT_PASID(fault) ((u64)(fault) >> 48) + #define AMDGPU_VM_FAULT_ADDR(fault) ((u64)(fault) & 0xfffffffff000ULL) + ++ ++struct amdgpu_task_info { ++ char process_name[TASK_COMM_LEN]; ++ char task_name[TASK_COMM_LEN]; ++ pid_t pid; ++ pid_t tgid; ++}; ++ + struct amdgpu_vm { + /* tree of virtual addresses mapped */ + struct rb_root_cached va; +@@ -218,6 +226,9 @@ struct amdgpu_vm { + + /* Valid while the PD is reserved or fenced */ + uint64_t pd_phys_addr; ++ ++ /* Some basic info about the task */ ++ struct amdgpu_task_info task_info; + }; + + struct amdgpu_vm_manager { +@@ -323,4 +334,9 @@ bool amdgpu_vm_need_pipeline_sync(struct amdgpu_ring *ring, + struct amdgpu_job *job); + void amdgpu_vm_check_compute_bug(struct amdgpu_device *adev); + ++void amdgpu_vm_get_task_info(struct amdgpu_device *adev, unsigned int pasid, ++ struct amdgpu_task_info *task_info); ++ ++void amdgpu_vm_set_task_info(struct amdgpu_vm *vm); ++ + #endif +-- +2.7.4 + |