[PATCH 14/23] drm/xe/svm: trace svm range migration

[Oak Zeng]

Add function to trace svm range migration, either
from vram to sram, or sram to vram

Signed-off-by: Oak Zeng <oak.z...@intel.com>
Cc: Niranjana Vishwanathapura <niranjana.vishwanathap...@intel.com>
Cc: Matthew Brost <matthew.br...@intel.com>
Cc: Thomas Hellström <thomas.hellst...@intel.com>
Cc: Brian Welty <brian.we...@intel.com>
---
 drivers/gpu/drm/xe/xe_svm_migrate.c |  1 +
 drivers/gpu/drm/xe/xe_trace.h       | 30 +++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_svm_migrate.c 
b/drivers/gpu/drm/xe/xe_svm_migrate.c
index 3be26da33aa3..b4df411e04f3 100644
--- a/drivers/gpu/drm/xe/xe_svm_migrate.c
+++ b/drivers/gpu/drm/xe/xe_svm_migrate.c
@@ -201,6 +201,7 @@ vm_fault_t xe_devm_migrate_to_ram(struct vm_fault *vmf)
        if (!migrate_vma.cpages)
                goto free_buf;
 
+       trace_xe_svm_migrate_vram_to_sram(range);
        for (i = 0; i < npages; i++) {
                ret = migrate_page_vram_to_ram(vma, addr, migrate_vma.src[i],
                                                        migrate_vma.dst + i);
diff --git a/drivers/gpu/drm/xe/xe_trace.h b/drivers/gpu/drm/xe/xe_trace.h
index 50380f5173ca..960eec38aee5 100644
--- a/drivers/gpu/drm/xe/xe_trace.h
+++ b/drivers/gpu/drm/xe/xe_trace.h
@@ -21,6 +21,7 @@
 #include "xe_guc_exec_queue_types.h"
 #include "xe_sched_job.h"
 #include "xe_vm.h"
+#include "xe_svm.h"
 
 DECLARE_EVENT_CLASS(xe_gt_tlb_invalidation_fence,
                    TP_PROTO(struct xe_gt_tlb_invalidation_fence *fence),
@@ -601,6 +602,35 @@ DEFINE_EVENT_PRINT(xe_guc_ctb, xe_guc_ctb_g2h,
 
 );
 
+DECLARE_EVENT_CLASS(xe_svm_migrate,
+                   TP_PROTO(struct xe_svm_range *range),
+                   TP_ARGS(range),
+
+                   TP_STRUCT__entry(
+                            __field(u64, start)
+                            __field(u64, end)
+                            ),
+
+                   TP_fast_assign(
+                          __entry->start = range->start;
+                          __entry->end = range->end;
+                          ),
+
+                   TP_printk("Migrate svm range [0x%016llx,0x%016llx)",  
__entry->start,
+                             __entry->end)
+);
+
+DEFINE_EVENT(xe_svm_migrate, xe_svm_migrate_vram_to_sram,
+                   TP_PROTO(struct xe_svm_range *range),
+                   TP_ARGS(range)
+);
+
+
+DEFINE_EVENT(xe_svm_migrate, xe_svm_migrate_sram_to_vram,
+                   TP_PROTO(struct xe_svm_range *range),
+                   TP_ARGS(range)
+);
+
 DECLARE_EVENT_CLASS(xe_buddy_block,
                TP_PROTO(struct drm_buddy_block *block, u64 size, u64 pfn),
                TP_ARGS(block, size, pfn),
-- 
2.26.3