diff options
| author | Francois Dugast <francois.dugast@intel.com> | 2025-12-10 17:50:00 +0100 |
|---|---|---|
| committer | Francois Dugast <francois.dugast@intel.com> | 2025-12-11 10:54:17 +0100 |
| commit | 8e011f6d08abcd740a9c5157b2f79512a579bced (patch) | |
| tree | 094d5dd04315f5c58f1f353c52483bdc374e4260 /drivers/gpu/drm | |
| parent | 3efadf028783a49ab2941294187c8b6dd86bf7da (diff) | |
drm/xe/hw_engine_group: Add stats for mode switching
The GT stats interface is extended to include counters of how many
queues are either interrupted or waited on in the hardware engine
groups. This can help application debugging.
v2: Rename to queue as those operations are queue-based (Matthew Brost)
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20251210165000.60789-1-francois.dugast@intel.com
Signed-off-by: Francois Dugast <francois.dugast@intel.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_stats.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_stats_types.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_hw_engine_group.c | 3 |
3 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_stats.c b/drivers/gpu/drm/xe/xe_gt_stats.c index 5f74706bab81..714045ad9354 100644 --- a/drivers/gpu/drm/xe/xe_gt_stats.c +++ b/drivers/gpu/drm/xe/xe_gt_stats.c @@ -66,6 +66,10 @@ static const char *const stat_description[__XE_GT_STATS_NUM_IDS] = { DEF_STAT_STR(SVM_4K_BIND_US, "svm_4K_bind_us"), DEF_STAT_STR(SVM_64K_BIND_US, "svm_64K_bind_us"), DEF_STAT_STR(SVM_2M_BIND_US, "svm_2M_bind_us"), + DEF_STAT_STR(HW_ENGINE_GROUP_SUSPEND_LR_QUEUE_COUNT, + "hw_engine_group_suspend_lr_queue_count"), + DEF_STAT_STR(HW_ENGINE_GROUP_WAIT_DMA_QUEUE_COUNT, + "hw_engine_group_wait_dma_queue_count"), }; /** diff --git a/drivers/gpu/drm/xe/xe_gt_stats_types.h b/drivers/gpu/drm/xe/xe_gt_stats_types.h index d8348a8de2e1..aada5df421e5 100644 --- a/drivers/gpu/drm/xe/xe_gt_stats_types.h +++ b/drivers/gpu/drm/xe/xe_gt_stats_types.h @@ -44,6 +44,8 @@ enum xe_gt_stats_id { XE_GT_STATS_ID_SVM_4K_BIND_US, XE_GT_STATS_ID_SVM_64K_BIND_US, XE_GT_STATS_ID_SVM_2M_BIND_US, + XE_GT_STATS_ID_HW_ENGINE_GROUP_SUSPEND_LR_QUEUE_COUNT, + XE_GT_STATS_ID_HW_ENGINE_GROUP_WAIT_DMA_QUEUE_COUNT, /* must be the last entry */ __XE_GT_STATS_NUM_IDS, }; diff --git a/drivers/gpu/drm/xe/xe_hw_engine_group.c b/drivers/gpu/drm/xe/xe_hw_engine_group.c index fa4db5f23342..290205a266b8 100644 --- a/drivers/gpu/drm/xe/xe_hw_engine_group.c +++ b/drivers/gpu/drm/xe/xe_hw_engine_group.c @@ -9,6 +9,7 @@ #include "xe_device.h" #include "xe_exec_queue.h" #include "xe_gt.h" +#include "xe_gt_stats.h" #include "xe_hw_engine_group.h" #include "xe_vm.h" @@ -203,6 +204,7 @@ static int xe_hw_engine_group_suspend_faulting_lr_jobs(struct xe_hw_engine_group if (!xe_vm_in_fault_mode(q->vm)) continue; + xe_gt_stats_incr(q->gt, XE_GT_STATS_ID_HW_ENGINE_GROUP_SUSPEND_LR_QUEUE_COUNT, 1); need_resume = true; q->ops->suspend(q); } @@ -244,6 +246,7 @@ static int xe_hw_engine_group_wait_for_dma_fence_jobs(struct xe_hw_engine_group if (xe_vm_in_lr_mode(q->vm)) continue; + xe_gt_stats_incr(q->gt, XE_GT_STATS_ID_HW_ENGINE_GROUP_WAIT_DMA_QUEUE_COUNT, 1); fence = xe_exec_queue_last_fence_get_for_resume(q, q->vm); timeout = dma_fence_wait(fence, false); dma_fence_put(fence); |