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| author | Mihir Bhogilal Patel <Mihir.Patel@amd.com> | 2020-10-08 15:46:38 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-10-15 12:23:24 -0400 |
| commit | ff72bc40317079b775a7a6d2ba94297b04b795e4 (patch) | |
| tree | 2342e55ca6de6895f0a9b11d297b14ac6b1b6916 /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | |
| parent | ded08454e56b70186bff74374d31f57a90cb497f (diff) | |
| download | lwn-ff72bc40317079b775a7a6d2ba94297b04b795e4.tar.gz lwn-ff72bc40317079b775a7a6d2ba94297b04b795e4.zip | |
drm/amdgpu: Add debugfs entry for printing VM info
Create new debugfs entry to print memory info using VM buffer
objects.
V2: Added Common function for printing BO info.
Dump more VM lists for evicted, moved, relocated, invalidated.
Removed dumping VM mapped BOs.
V3: Fixed coding style comments, renamed print API and variables.
V4: Fixed coding style comments.
Signed-off-by: Mihir Bhogilal Patel <Mihir.Patel@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 2b65e83c808b..461fcde19c8a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -3392,3 +3392,86 @@ error_unref: return false; } + +#if defined(CONFIG_DEBUG_FS) +/** + * amdgpu_debugfs_vm_bo_info - print BO info for the VM + * + * @vm: Requested VM for printing BO info + * @m: debugfs file + * + * Print BO information in debugfs file for the VM + */ +void amdgpu_debugfs_vm_bo_info(struct amdgpu_vm *vm, struct seq_file *m) +{ + struct amdgpu_bo_va *bo_va, *tmp; + u64 total_idle = 0; + u64 total_evicted = 0; + u64 total_relocated = 0; + u64 total_moved = 0; + u64 total_invalidated = 0; + unsigned int total_idle_objs = 0; + unsigned int total_evicted_objs = 0; + unsigned int total_relocated_objs = 0; + unsigned int total_moved_objs = 0; + unsigned int total_invalidated_objs = 0; + unsigned int id = 0; + + seq_puts(m, "\tIdle BOs:\n"); + list_for_each_entry_safe(bo_va, tmp, &vm->idle, base.vm_status) { + if (!bo_va->base.bo) + continue; + total_idle += amdgpu_bo_print_info(id++, bo_va->base.bo, m); + } + total_idle_objs = id; + id = 0; + + seq_puts(m, "\tEvicted BOs:\n"); + list_for_each_entry_safe(bo_va, tmp, &vm->evicted, base.vm_status) { + if (!bo_va->base.bo) + continue; + total_evicted += amdgpu_bo_print_info(id++, bo_va->base.bo, m); + } + total_evicted_objs = id; + id = 0; + + seq_puts(m, "\tRelocated BOs:\n"); + list_for_each_entry_safe(bo_va, tmp, &vm->relocated, base.vm_status) { + if (!bo_va->base.bo) + continue; + total_relocated += amdgpu_bo_print_info(id++, bo_va->base.bo, m); + } + total_relocated_objs = id; + id = 0; + + seq_puts(m, "\tMoved BOs:\n"); + list_for_each_entry_safe(bo_va, tmp, &vm->moved, base.vm_status) { + if (!bo_va->base.bo) + continue; + total_moved += amdgpu_bo_print_info(id++, bo_va->base.bo, m); + } + total_moved_objs = id; + id = 0; + + seq_puts(m, "\tInvalidated BOs:\n"); + spin_lock(&vm->invalidated_lock); + list_for_each_entry_safe(bo_va, tmp, &vm->invalidated, base.vm_status) { + if (!bo_va->base.bo) + continue; + total_invalidated += amdgpu_bo_print_info(id++, bo_va->base.bo, m); + } + spin_unlock(&vm->invalidated_lock); + total_invalidated_objs = id; + + seq_printf(m, "\tTotal idle size: %12lld\tobjs:\t%d\n", total_idle, + total_idle_objs); + seq_printf(m, "\tTotal evicted size: %12lld\tobjs:\t%d\n", total_evicted, + total_evicted_objs); + seq_printf(m, "\tTotal relocated size: %12lld\tobjs:\t%d\n", total_relocated, + total_relocated_objs); + seq_printf(m, "\tTotal moved size: %12lld\tobjs:\t%d\n", total_moved, + total_moved_objs); + seq_printf(m, "\tTotal invalidated size: %12lld\tobjs:\t%d\n", total_invalidated, + total_invalidated_objs); +} +#endif |