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drm/amdgpu: expose more memory stats in fdinfo

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This will be used for performance investigations.

Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Marek Olšák 2023-01-30 01:52:40 -05:00 committed by Alex Deucher
parent 28f7e89718
commit d6530c33a9
5 changed files with 76 additions and 28 deletions
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24
drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c
View File

@ -60,12 +60,13 @@ void amdgpu_show_fdinfo(struct seq_file *m, struct file *f)
struct amdgpu_fpriv *fpriv = file->driver_priv;
struct amdgpu_vm *vm = &fpriv->vm;
uint64_t vram_mem = 0, gtt_mem = 0, cpu_mem = 0;
struct amdgpu_mem_stats stats;
ktime_t usage[AMDGPU_HW_IP_NUM];
uint32_t bus, dev, fn, domain;
unsigned int hw_ip;
int ret;
memset(&stats, 0, sizeof(stats));
bus = adev->pdev->bus->number;
domain = pci_domain_nr(adev->pdev->bus);
dev = PCI_SLOT(adev->pdev->devfn);
@ -75,7 +76,7 @@ void amdgpu_show_fdinfo(struct seq_file *m, struct file *f)
if (ret)
return;
amdgpu_vm_get_memory(vm, &vram_mem, &gtt_mem, &cpu_mem);
amdgpu_vm_get_memory(vm, &stats);
amdgpu_bo_unreserve(vm->root.bo);
amdgpu_ctx_mgr_usage(&fpriv->ctx_mgr, usage);
@ -90,9 +91,22 @@ void amdgpu_show_fdinfo(struct seq_file *m, struct file *f)
seq_printf(m, "drm-driver:\t%s\n", file->minor->dev->driver->name);
seq_printf(m, "drm-pdev:\t%04x:%02x:%02x.%d\n", domain, bus, dev, fn);
seq_printf(m, "drm-client-id:\t%Lu\n", vm->immediate.fence_context);
seq_printf(m, "drm-memory-vram:\t%llu KiB\n", vram_mem/1024UL);
seq_printf(m, "drm-memory-gtt: \t%llu KiB\n", gtt_mem/1024UL);
seq_printf(m, "drm-memory-cpu: \t%llu KiB\n", cpu_mem/1024UL);
seq_printf(m, "drm-memory-vram:\t%llu KiB\n", stats.vram/1024UL);
seq_printf(m, "drm-memory-gtt: \t%llu KiB\n", stats.gtt/1024UL);
seq_printf(m, "drm-memory-cpu: \t%llu KiB\n", stats.cpu/1024UL);
seq_printf(m, "amd-memory-visible-vram:\t%llu KiB\n",
stats.visible_vram/1024UL);
seq_printf(m, "amd-evicted-vram:\t%llu KiB\n",
stats.evicted_vram/1024UL);
seq_printf(m, "amd-evicted-visible-vram:\t%llu KiB\n",
stats.evicted_visible_vram/1024UL);
seq_printf(m, "amd-requested-vram:\t%llu KiB\n",
stats.requested_vram/1024UL);
seq_printf(m, "amd-requested-visible-vram:\t%llu KiB\n",
stats.requested_visible_vram/1024UL);
seq_printf(m, "amd-requested-gtt:\t%llu KiB\n",
stats.requested_gtt/1024UL);
for (hw_ip = 0; hw_ip < AMDGPU_HW_IP_NUM; ++hw_ip) {
if (!usage[hw_ip])
continue;

27
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
View File

@ -1265,24 +1265,41 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
trace_amdgpu_bo_move(abo, new_mem->mem_type, old_mem->mem_type);
}
void amdgpu_bo_get_memory(struct amdgpu_bo *bo, uint64_t *vram_mem,
uint64_t *gtt_mem, uint64_t *cpu_mem)
void amdgpu_bo_get_memory(struct amdgpu_bo *bo,
struct amdgpu_mem_stats *stats)
{
unsigned int domain;
uint64_t size = amdgpu_bo_size(bo);
domain = amdgpu_mem_type_to_domain(bo->tbo.resource->mem_type);
switch (domain) {
case AMDGPU_GEM_DOMAIN_VRAM:
*vram_mem += amdgpu_bo_size(bo);
stats->vram += size;
if (amdgpu_bo_in_cpu_visible_vram(bo))
stats->visible_vram += size;
break;
case AMDGPU_GEM_DOMAIN_GTT:
*gtt_mem += amdgpu_bo_size(bo);
stats->gtt += size;
break;
case AMDGPU_GEM_DOMAIN_CPU:
default:
*cpu_mem += amdgpu_bo_size(bo);
stats->cpu += size;
break;
}
if (bo->preferred_domains & AMDGPU_GEM_DOMAIN_VRAM) {
stats->requested_vram += size;
if (bo->flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED)
stats->requested_visible_vram += size;
if (domain != AMDGPU_GEM_DOMAIN_VRAM) {
stats->evicted_vram += size;
if (bo->flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED)
stats->evicted_visible_vram += size;
}
} else if (bo->preferred_domains & AMDGPU_GEM_DOMAIN_GTT) {
stats->requested_gtt += size;
}
}
/**

25
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
View File

@ -126,6 +126,27 @@ struct amdgpu_bo_vm {
struct amdgpu_vm_bo_base entries[];
};
struct amdgpu_mem_stats {
/* current VRAM usage, includes visible VRAM */
uint64_t vram;
/* current visible VRAM usage */
uint64_t visible_vram;
/* current GTT usage */
uint64_t gtt;
/* current system memory usage */
uint64_t cpu;
/* sum of evicted buffers, includes visible VRAM */
uint64_t evicted_vram;
/* sum of evicted buffers due to CPU access */
uint64_t evicted_visible_vram;
/* how much userspace asked for, includes vis.VRAM */
uint64_t requested_vram;
/* how much userspace asked for */
uint64_t requested_visible_vram;
/* how much userspace asked for */
uint64_t requested_gtt;
};
static inline struct amdgpu_bo *ttm_to_amdgpu_bo(struct ttm_buffer_object *tbo)
{
return container_of(tbo, struct amdgpu_bo, tbo);
@ -325,8 +346,8 @@ int amdgpu_bo_sync_wait_resv(struct amdgpu_device *adev, struct dma_resv *resv,
int amdgpu_bo_sync_wait(struct amdgpu_bo *bo, void *owner, bool intr);
u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo);
u64 amdgpu_bo_gpu_offset_no_check(struct amdgpu_bo *bo);
void amdgpu_bo_get_memory(struct amdgpu_bo *bo, uint64_t *vram_mem,
uint64_t *gtt_mem, uint64_t *cpu_mem);
void amdgpu_bo_get_memory(struct amdgpu_bo *bo,
struct amdgpu_mem_stats *stats);
void amdgpu_bo_add_to_shadow_list(struct amdgpu_bo_vm *vmbo);
int amdgpu_bo_restore_shadow(struct amdgpu_bo *shadow,
struct dma_fence **fence);

23
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
View File

@ -920,8 +920,8 @@ int amdgpu_vm_update_range(struct amdgpu_device *adev, struct amdgpu_vm *vm,
return r;
}
void amdgpu_vm_get_memory(struct amdgpu_vm *vm, uint64_t *vram_mem,
uint64_t *gtt_mem, uint64_t *cpu_mem)
void amdgpu_vm_get_memory(struct amdgpu_vm *vm,
struct amdgpu_mem_stats *stats)
{
struct amdgpu_bo_va *bo_va, *tmp;
@ -929,41 +929,36 @@ void amdgpu_vm_get_memory(struct amdgpu_vm *vm, uint64_t *vram_mem,
list_for_each_entry_safe(bo_va, tmp, &vm->idle, base.vm_status) {
if (!bo_va->base.bo)
continue;
amdgpu_bo_get_memory(bo_va->base.bo, vram_mem,
gtt_mem, cpu_mem);
amdgpu_bo_get_memory(bo_va->base.bo, stats);
}
list_for_each_entry_safe(bo_va, tmp, &vm->evicted, base.vm_status) {
if (!bo_va->base.bo)
continue;
amdgpu_bo_get_memory(bo_va->base.bo, vram_mem,
gtt_mem, cpu_mem);
amdgpu_bo_get_memory(bo_va->base.bo, stats);
}
list_for_each_entry_safe(bo_va, tmp, &vm->relocated, base.vm_status) {
if (!bo_va->base.bo)
continue;
amdgpu_bo_get_memory(bo_va->base.bo, vram_mem,
gtt_mem, cpu_mem);
amdgpu_bo_get_memory(bo_va->base.bo, stats);
}
list_for_each_entry_safe(bo_va, tmp, &vm->moved, base.vm_status) {
if (!bo_va->base.bo)
continue;
amdgpu_bo_get_memory(bo_va->base.bo, vram_mem,
gtt_mem, cpu_mem);
amdgpu_bo_get_memory(bo_va->base.bo, stats);
}
list_for_each_entry_safe(bo_va, tmp, &vm->invalidated, base.vm_status) {
if (!bo_va->base.bo)
continue;
amdgpu_bo_get_memory(bo_va->base.bo, vram_mem,
gtt_mem, cpu_mem);
amdgpu_bo_get_memory(bo_va->base.bo, stats);
}
list_for_each_entry_safe(bo_va, tmp, &vm->done, base.vm_status) {
if (!bo_va->base.bo)
continue;
amdgpu_bo_get_memory(bo_va->base.bo, vram_mem,
gtt_mem, cpu_mem);
amdgpu_bo_get_memory(bo_va->base.bo, stats);
}
spin_unlock(&vm->status_lock);
}
/**
* amdgpu_vm_bo_update - update all BO mappings in the vm page table
*

5
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
View File

@ -40,6 +40,7 @@ struct amdgpu_bo_va;
struct amdgpu_job;
struct amdgpu_bo_list_entry;
struct amdgpu_bo_vm;
struct amdgpu_mem_stats;
/*
* GPUVM handling
@ -457,8 +458,8 @@ void amdgpu_vm_set_task_info(struct amdgpu_vm *vm);
void amdgpu_vm_move_to_lru_tail(struct amdgpu_device *adev,
struct amdgpu_vm *vm);
void amdgpu_vm_get_memory(struct amdgpu_vm *vm, uint64_t *vram_mem,
uint64_t *gtt_mem, uint64_t *cpu_mem);
void amdgpu_vm_get_memory(struct amdgpu_vm *vm,
struct amdgpu_mem_stats *stats);
int amdgpu_vm_pt_clear(struct amdgpu_device *adev, struct amdgpu_vm *vm,
struct amdgpu_bo_vm *vmbo, bool immediate);