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drm/xe: Add new SVM copy GT stats per size

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Breakdown the GT stats for copy to host and copy to device per size (4K,
64K 2M) to make it easier for user space to track memory migrations.
This is helpful to verify allocation alignment is correct when porting
applications to SVM.

Cc: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Francois Dugast <francois.dugast@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20260325160152.1057556-1-francois.dugast@intel.com
This commit is contained in:
Francois Dugast 2026-03-25 17:01:52 +01:00 committed by Matthew Brost
parent 50c577eab0
commit 4e966014ce
3 changed files with 37 additions and 2 deletions
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6
drivers/gpu/drm/xe/xe_gt_stats.c
View File

@ -85,7 +85,13 @@ static const char *const stat_description[__XE_GT_STATS_NUM_IDS] = {
DEF_STAT_STR(SVM_64K_CPU_COPY_US, "svm_64K_cpu_copy_us"),
DEF_STAT_STR(SVM_2M_CPU_COPY_US, "svm_2M_cpu_copy_us"),
DEF_STAT_STR(SVM_DEVICE_COPY_KB, "svm_device_copy_kb"),
DEF_STAT_STR(SVM_4K_DEVICE_COPY_KB, "svm_4K_device_copy_kb"),
DEF_STAT_STR(SVM_64K_DEVICE_COPY_KB, "svm_64K_device_copy_kb"),
DEF_STAT_STR(SVM_2M_DEVICE_COPY_KB, "svm_2M_device_copy_kb"),
DEF_STAT_STR(SVM_CPU_COPY_KB, "svm_cpu_copy_kb"),
DEF_STAT_STR(SVM_4K_CPU_COPY_KB, "svm_4K_cpu_copy_kb"),
DEF_STAT_STR(SVM_64K_CPU_COPY_KB, "svm_64K_cpu_copy_kb"),
DEF_STAT_STR(SVM_2M_CPU_COPY_KB, "svm_2M_cpu_copy_kb"),
DEF_STAT_STR(SVM_4K_GET_PAGES_US, "svm_4K_get_pages_us"),
DEF_STAT_STR(SVM_64K_GET_PAGES_US, "svm_64K_get_pages_us"),
DEF_STAT_STR(SVM_2M_GET_PAGES_US, "svm_2M_get_pages_us"),

6
drivers/gpu/drm/xe/xe_gt_stats_types.h
View File

@ -40,7 +40,13 @@ enum xe_gt_stats_id {
XE_GT_STATS_ID_SVM_64K_CPU_COPY_US,
XE_GT_STATS_ID_SVM_2M_CPU_COPY_US,
XE_GT_STATS_ID_SVM_DEVICE_COPY_KB,
XE_GT_STATS_ID_SVM_4K_DEVICE_COPY_KB,
XE_GT_STATS_ID_SVM_64K_DEVICE_COPY_KB,
XE_GT_STATS_ID_SVM_2M_DEVICE_COPY_KB,
XE_GT_STATS_ID_SVM_CPU_COPY_KB,
XE_GT_STATS_ID_SVM_4K_CPU_COPY_KB,
XE_GT_STATS_ID_SVM_64K_CPU_COPY_KB,
XE_GT_STATS_ID_SVM_2M_CPU_COPY_KB,
XE_GT_STATS_ID_SVM_4K_GET_PAGES_US,
XE_GT_STATS_ID_SVM_64K_GET_PAGES_US,
XE_GT_STATS_ID_SVM_2M_GET_PAGES_US,

27
drivers/gpu/drm/xe/xe_svm.c
View File

@ -485,10 +485,33 @@ static void xe_svm_copy_kb_stats_incr(struct xe_gt *gt,
const enum xe_svm_copy_dir dir,
int kb)
{
if (dir == XE_SVM_COPY_TO_VRAM)
if (dir == XE_SVM_COPY_TO_VRAM) {
switch (kb) {
case 4:
xe_gt_stats_incr(gt, XE_GT_STATS_ID_SVM_4K_DEVICE_COPY_KB, kb);
break;
case 64:
xe_gt_stats_incr(gt, XE_GT_STATS_ID_SVM_64K_DEVICE_COPY_KB, kb);
break;
case 2048:
xe_gt_stats_incr(gt, XE_GT_STATS_ID_SVM_2M_DEVICE_COPY_KB, kb);
break;
}
xe_gt_stats_incr(gt, XE_GT_STATS_ID_SVM_DEVICE_COPY_KB, kb);
else
} else {
switch (kb) {
case 4:
xe_gt_stats_incr(gt, XE_GT_STATS_ID_SVM_4K_CPU_COPY_KB, kb);
break;
case 64:
xe_gt_stats_incr(gt, XE_GT_STATS_ID_SVM_64K_CPU_COPY_KB, kb);
break;
case 2048:
xe_gt_stats_incr(gt, XE_GT_STATS_ID_SVM_2M_CPU_COPY_KB, kb);
break;
}
xe_gt_stats_incr(gt, XE_GT_STATS_ID_SVM_CPU_COPY_KB, kb);
}
}
static void xe_svm_copy_us_stats_incr(struct xe_gt *gt,