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-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_migrate.c53
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_migrate.h5
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c22
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_smi_events.h8
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_svm.c16
5 files changed, 83 insertions, 21 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
index e44376c2ecdc..eecb262270e2 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
@@ -33,6 +33,7 @@
#include "kfd_priv.h"
#include "kfd_svm.h"
#include "kfd_migrate.h"
+#include "kfd_smi_events.h"
#ifdef dev_fmt
#undef dev_fmt
@@ -402,8 +403,9 @@ out:
static long
svm_migrate_vma_to_vram(struct amdgpu_device *adev, struct svm_range *prange,
struct vm_area_struct *vma, uint64_t start,
- uint64_t end)
+ uint64_t end, uint32_t trigger)
{
+ struct kfd_process *p = container_of(prange->svms, struct kfd_process, svms);
uint64_t npages = (end - start) >> PAGE_SHIFT;
struct kfd_process_device *pdd;
struct dma_fence *mfence = NULL;
@@ -430,6 +432,11 @@ svm_migrate_vma_to_vram(struct amdgpu_device *adev, struct svm_range *prange,
migrate.dst = migrate.src + npages;
scratch = (dma_addr_t *)(migrate.dst + npages);
+ kfd_smi_event_migration_start(adev->kfd.dev, p->lead_thread->pid,
+ start >> PAGE_SHIFT, end >> PAGE_SHIFT,
+ 0, adev->kfd.dev->id, prange->prefetch_loc,
+ prange->preferred_loc, trigger);
+
r = migrate_vma_setup(&migrate);
if (r) {
dev_err(adev->dev, "%s: vma setup fail %d range [0x%lx 0x%lx]\n",
@@ -458,6 +465,10 @@ svm_migrate_vma_to_vram(struct amdgpu_device *adev, struct svm_range *prange,
svm_migrate_copy_done(adev, mfence);
migrate_vma_finalize(&migrate);
+ kfd_smi_event_migration_end(adev->kfd.dev, p->lead_thread->pid,
+ start >> PAGE_SHIFT, end >> PAGE_SHIFT,
+ 0, adev->kfd.dev->id, trigger);
+
svm_range_dma_unmap(adev->dev, scratch, 0, npages);
svm_range_free_dma_mappings(prange);
@@ -479,6 +490,7 @@ out:
* @prange: range structure
* @best_loc: the device to migrate to
* @mm: the process mm structure
+ * @trigger: reason of migration
*
* Context: Process context, caller hold mmap read lock, svms lock, prange lock
*
@@ -487,7 +499,7 @@ out:
*/
static int
svm_migrate_ram_to_vram(struct svm_range *prange, uint32_t best_loc,
- struct mm_struct *mm)
+ struct mm_struct *mm, uint32_t trigger)
{
unsigned long addr, start, end;
struct vm_area_struct *vma;
@@ -524,7 +536,7 @@ svm_migrate_ram_to_vram(struct svm_range *prange, uint32_t best_loc,
break;
next = min(vma->vm_end, end);
- r = svm_migrate_vma_to_vram(adev, prange, vma, addr, next);
+ r = svm_migrate_vma_to_vram(adev, prange, vma, addr, next, trigger);
if (r < 0) {
pr_debug("failed %ld to migrate\n", r);
break;
@@ -655,8 +667,10 @@ out_oom:
*/
static long
svm_migrate_vma_to_ram(struct amdgpu_device *adev, struct svm_range *prange,
- struct vm_area_struct *vma, uint64_t start, uint64_t end)
+ struct vm_area_struct *vma, uint64_t start, uint64_t end,
+ uint32_t trigger)
{
+ struct kfd_process *p = container_of(prange->svms, struct kfd_process, svms);
uint64_t npages = (end - start) >> PAGE_SHIFT;
unsigned long upages = npages;
unsigned long cpages = 0;
@@ -685,6 +699,11 @@ svm_migrate_vma_to_ram(struct amdgpu_device *adev, struct svm_range *prange,
migrate.dst = migrate.src + npages;
scratch = (dma_addr_t *)(migrate.dst + npages);
+ kfd_smi_event_migration_start(adev->kfd.dev, p->lead_thread->pid,
+ start >> PAGE_SHIFT, end >> PAGE_SHIFT,
+ adev->kfd.dev->id, 0, prange->prefetch_loc,
+ prange->preferred_loc, trigger);
+
r = migrate_vma_setup(&migrate);
if (r) {
dev_err(adev->dev, "%s: vma setup fail %d range [0x%lx 0x%lx]\n",
@@ -715,6 +734,11 @@ svm_migrate_vma_to_ram(struct amdgpu_device *adev, struct svm_range *prange,
svm_migrate_copy_done(adev, mfence);
migrate_vma_finalize(&migrate);
+
+ kfd_smi_event_migration_end(adev->kfd.dev, p->lead_thread->pid,
+ start >> PAGE_SHIFT, end >> PAGE_SHIFT,
+ adev->kfd.dev->id, 0, trigger);
+
svm_range_dma_unmap(adev->dev, scratch, 0, npages);
out_free:
@@ -732,13 +756,15 @@ out:
* svm_migrate_vram_to_ram - migrate svm range from device to system
* @prange: range structure
* @mm: process mm, use current->mm if NULL
+ * @trigger: reason of migration
*
* Context: Process context, caller hold mmap read lock, prange->migrate_mutex
*
* Return:
* 0 - OK, otherwise error code
*/
-int svm_migrate_vram_to_ram(struct svm_range *prange, struct mm_struct *mm)
+int svm_migrate_vram_to_ram(struct svm_range *prange, struct mm_struct *mm,
+ uint32_t trigger)
{
struct amdgpu_device *adev;
struct vm_area_struct *vma;
@@ -779,7 +805,7 @@ int svm_migrate_vram_to_ram(struct svm_range *prange, struct mm_struct *mm)
}
next = min(vma->vm_end, end);
- r = svm_migrate_vma_to_ram(adev, prange, vma, addr, next);
+ r = svm_migrate_vma_to_ram(adev, prange, vma, addr, next, trigger);
if (r < 0) {
pr_debug("failed %ld to migrate prange %p\n", r, prange);
break;
@@ -802,6 +828,7 @@ int svm_migrate_vram_to_ram(struct svm_range *prange, struct mm_struct *mm)
* @prange: range structure
* @best_loc: the device to migrate to
* @mm: process mm, use current->mm if NULL
+ * @trigger: reason of migration
*
* Context: Process context, caller hold mmap read lock, svms lock, prange lock
*
@@ -810,7 +837,7 @@ int svm_migrate_vram_to_ram(struct svm_range *prange, struct mm_struct *mm)
*/
static int
svm_migrate_vram_to_vram(struct svm_range *prange, uint32_t best_loc,
- struct mm_struct *mm)
+ struct mm_struct *mm, uint32_t trigger)
{
int r, retries = 3;
@@ -822,7 +849,7 @@ svm_migrate_vram_to_vram(struct svm_range *prange, uint32_t best_loc,
pr_debug("from gpu 0x%x to gpu 0x%x\n", prange->actual_loc, best_loc);
do {
- r = svm_migrate_vram_to_ram(prange, mm);
+ r = svm_migrate_vram_to_ram(prange, mm, trigger);
if (r)
return r;
} while (prange->actual_loc && --retries);
@@ -830,17 +857,17 @@ svm_migrate_vram_to_vram(struct svm_range *prange, uint32_t best_loc,
if (prange->actual_loc)
return -EDEADLK;
- return svm_migrate_ram_to_vram(prange, best_loc, mm);
+ return svm_migrate_ram_to_vram(prange, best_loc, mm, trigger);
}
int
svm_migrate_to_vram(struct svm_range *prange, uint32_t best_loc,
- struct mm_struct *mm)
+ struct mm_struct *mm, uint32_t trigger)
{
if (!prange->actual_loc)
- return svm_migrate_ram_to_vram(prange, best_loc, mm);
+ return svm_migrate_ram_to_vram(prange, best_loc, mm, trigger);
else
- return svm_migrate_vram_to_vram(prange, best_loc, mm);
+ return svm_migrate_vram_to_vram(prange, best_loc, mm, trigger);
}
@@ -909,7 +936,7 @@ static vm_fault_t svm_migrate_to_ram(struct vm_fault *vmf)
goto out_unlock_prange;
}
- r = svm_migrate_vram_to_ram(prange, mm);
+ r = svm_migrate_vram_to_ram(prange, mm, KFD_MIGRATE_TRIGGER_PAGEFAULT_CPU);
if (r)
pr_debug("failed %d migrate 0x%p [0x%lx 0x%lx] to ram\n", r,
prange, prange->start, prange->last);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.h b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.h
index 2f5b3394c9ed..b3f0754b32fa 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.h
@@ -41,8 +41,9 @@ enum MIGRATION_COPY_DIR {
};
int svm_migrate_to_vram(struct svm_range *prange, uint32_t best_loc,
- struct mm_struct *mm);
-int svm_migrate_vram_to_ram(struct svm_range *prange, struct mm_struct *mm);
+ struct mm_struct *mm, uint32_t trigger);
+int svm_migrate_vram_to_ram(struct svm_range *prange, struct mm_struct *mm,
+ uint32_t trigger);
unsigned long
svm_migrate_addr_to_pfn(struct amdgpu_device *adev, unsigned long addr);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c
index b7e68283925f..ec4d278c2a47 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c
@@ -261,6 +261,28 @@ void kfd_smi_event_page_fault_end(struct kfd_dev *dev, pid_t pid,
pid, address, dev->id, migration ? 'M' : 'U');
}
+void kfd_smi_event_migration_start(struct kfd_dev *dev, pid_t pid,
+ unsigned long start, unsigned long end,
+ uint32_t from, uint32_t to,
+ uint32_t prefetch_loc, uint32_t preferred_loc,
+ uint32_t trigger)
+{
+ kfd_smi_event_add(pid, dev, KFD_SMI_EVENT_MIGRATE_START,
+ "%lld -%d @%lx(%lx) %x->%x %x:%x %d\n",
+ ktime_get_boottime_ns(), pid, start, end - start,
+ from, to, prefetch_loc, preferred_loc, trigger);
+}
+
+void kfd_smi_event_migration_end(struct kfd_dev *dev, pid_t pid,
+ unsigned long start, unsigned long end,
+ uint32_t from, uint32_t to, uint32_t trigger)
+{
+ kfd_smi_event_add(pid, dev, KFD_SMI_EVENT_MIGRATE_END,
+ "%lld -%d @%lx(%lx) %x->%x %d\n",
+ ktime_get_boottime_ns(), pid, start, end - start,
+ from, to, trigger);
+}
+
int kfd_smi_event_open(struct kfd_dev *dev, uint32_t *fd)
{
struct kfd_smi_client *client;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.h b/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.h
index 7903718cd9eb..ec5d74a2fef4 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.h
@@ -34,4 +34,12 @@ void kfd_smi_event_page_fault_start(struct kfd_dev *dev, pid_t pid,
ktime_t ts);
void kfd_smi_event_page_fault_end(struct kfd_dev *dev, pid_t pid,
unsigned long address, bool migration);
+void kfd_smi_event_migration_start(struct kfd_dev *dev, pid_t pid,
+ unsigned long start, unsigned long end,
+ uint32_t from, uint32_t to,
+ uint32_t prefetch_loc, uint32_t preferred_loc,
+ uint32_t trigger);
+void kfd_smi_event_migration_end(struct kfd_dev *dev, pid_t pid,
+ unsigned long start, unsigned long end,
+ uint32_t from, uint32_t to, uint32_t trigger);
#endif
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
index a3c7dd411b77..e8ded7a02bcb 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
@@ -2821,7 +2821,8 @@ retry_write_locked:
if (prange->actual_loc != best_loc) {
migration = true;
if (best_loc) {
- r = svm_migrate_to_vram(prange, best_loc, mm);
+ r = svm_migrate_to_vram(prange, best_loc, mm,
+ KFD_MIGRATE_TRIGGER_PAGEFAULT_GPU);
if (r) {
pr_debug("svm_migrate_to_vram failed (%d) at %llx, falling back to system memory\n",
r, addr);
@@ -2829,12 +2830,14 @@ retry_write_locked:
* VRAM failed
*/
if (prange->actual_loc)
- r = svm_migrate_vram_to_ram(prange, mm);
+ r = svm_migrate_vram_to_ram(prange, mm,
+ KFD_MIGRATE_TRIGGER_PAGEFAULT_GPU);
else
r = 0;
}
} else {
- r = svm_migrate_vram_to_ram(prange, mm);
+ r = svm_migrate_vram_to_ram(prange, mm,
+ KFD_MIGRATE_TRIGGER_PAGEFAULT_GPU);
}
if (r) {
pr_debug("failed %d to migrate svms %p [0x%lx 0x%lx]\n",
@@ -3157,12 +3160,12 @@ svm_range_trigger_migration(struct mm_struct *mm, struct svm_range *prange,
return 0;
if (!best_loc) {
- r = svm_migrate_vram_to_ram(prange, mm);
+ r = svm_migrate_vram_to_ram(prange, mm, KFD_MIGRATE_TRIGGER_PREFETCH);
*migrated = !r;
return r;
}
- r = svm_migrate_to_vram(prange, best_loc, mm);
+ r = svm_migrate_to_vram(prange, best_loc, mm, KFD_MIGRATE_TRIGGER_PREFETCH);
*migrated = !r;
return r;
@@ -3220,7 +3223,8 @@ static void svm_range_evict_svm_bo_worker(struct work_struct *work)
mutex_lock(&prange->migrate_mutex);
do {
r = svm_migrate_vram_to_ram(prange,
- svm_bo->eviction_fence->mm);
+ svm_bo->eviction_fence->mm,
+ KFD_MIGRATE_TRIGGER_TTM_EVICTION);
} while (!r && prange->actual_loc && --retries);
if (!r && prange->actual_loc)
generated by cgit v1.2.3 (git 2.39.0) at 2024-10-17 01:22:30 +0300