On 10/11/2024 15:41, Yunxiang Li wrote:
Make drm-active- optional just like drm-resident- and drm-purgeable-.
As Jani has already commented the commit message needs some work.
Signed-off-by: Yunxiang Li <Yunxiang.Li@xxxxxxx>
CC: dri-devel@xxxxxxxxxxxxxxxxxxxxx
CC: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
CC: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
---
drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c | 1 +
drivers/gpu/drm/drm_file.c | 13 +++++++------
drivers/gpu/drm/i915/i915_drm_client.c | 1 +
drivers/gpu/drm/xe/xe_drm_client.c | 1 +
include/drm/drm_gem.h | 14 ++++++++------
5 files changed, 18 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c
index df2cf5c339255..7717e3e4f05b5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c
@@ -97,6 +97,7 @@ void amdgpu_show_fdinfo(struct drm_printer *p, struct drm_file *file)
drm_print_memory_stats(p,
&stats[i].drm,
+ DRM_GEM_OBJECT_ACTIVE |
DRM_GEM_OBJECT_RESIDENT |
DRM_GEM_OBJECT_PURGEABLE,
pl_name[i]);
diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c
index e285fcc28c59c..fd06671054723 100644
--- a/drivers/gpu/drm/drm_file.c
+++ b/drivers/gpu/drm/drm_file.c
@@ -884,7 +884,9 @@ void drm_print_memory_stats(struct drm_printer *p,
{
print_size(p, "total", region, stats->private + stats->shared);
print_size(p, "shared", region, stats->shared);
- print_size(p, "active", region, stats->active);
+
+ if (supported_status & DRM_GEM_OBJECT_ACTIVE)
+ print_size(p, "active", region, stats->active);
if (supported_status & DRM_GEM_OBJECT_RESIDENT)
print_size(p, "resident", region, stats->resident);
@@ -917,15 +919,13 @@ void drm_show_memory_stats(struct drm_printer *p, struct drm_file *file)
if (obj->funcs && obj->funcs->status) {
s = obj->funcs->status(obj);
- supported_status = DRM_GEM_OBJECT_RESIDENT |
- DRM_GEM_OBJECT_PURGEABLE;
+ supported_status |= s;
I think this is correct and I think I've raised that it should be like
this when the code was originally added. I only don't remember what was
the argument to keep it hardcoded, if there was any. Adding Rob in case
he can remember.
}
- if (drm_gem_object_is_shared_for_memory_stats(obj)) {
+ if (drm_gem_object_is_shared_for_memory_stats(obj))
status.shared += obj->size;
- } else {
+ else
status.private += obj->size;
- }
Drive by cleanup, okay.
if (s & DRM_GEM_OBJECT_RESIDENT) {
status.resident += add_size;
@@ -938,6 +938,7 @@ void drm_show_memory_stats(struct drm_printer *p, struct drm_file *file)
if (!dma_resv_test_signaled(obj->resv, dma_resv_usage_rw(true))) {
status.active += add_size;
+ supported_status |= DRM_GEM_OBJECT_ACTIVE;
I wonder what behaviour we should have here if the driver has reported
DRM_GEM_OBJECT_ACTIVE via its status vfunc. Like should it be like this:
if ((s & DRM_GEM_OBJECT_ACTIVE) ||
!dma_resv_test_signaled(obj->resv, dma_resv_usage_rw(true))) {
...
?
So if some driver starts reporting this flag _and_ is still calling
drm_show_memory_stats(), it's version of activity tracking is used
instead of the the dma_resv based test.
/* If still active, don't count as purgeable: */
s &= ~DRM_GEM_OBJECT_PURGEABLE;
diff --git a/drivers/gpu/drm/i915/i915_drm_client.c b/drivers/gpu/drm/i915/i915_drm_client.c
index f586825054918..168d7375304bc 100644
--- a/drivers/gpu/drm/i915/i915_drm_client.c
+++ b/drivers/gpu/drm/i915/i915_drm_client.c
@@ -102,6 +102,7 @@ static void show_meminfo(struct drm_printer *p, struct drm_file *file)
for_each_memory_region(mr, i915, id)
drm_print_memory_stats(p,
&stats[id],
+ DRM_GEM_OBJECT_ACTIVE |
DRM_GEM_OBJECT_RESIDENT |
DRM_GEM_OBJECT_PURGEABLE,
mr->uabi_name);
diff --git a/drivers/gpu/drm/xe/xe_drm_client.c b/drivers/gpu/drm/xe/xe_drm_client.c
index 6a26923fa10e0..54941b4e850c4 100644
--- a/drivers/gpu/drm/xe/xe_drm_client.c
+++ b/drivers/gpu/drm/xe/xe_drm_client.c
@@ -229,6 +229,7 @@ static void show_meminfo(struct drm_printer *p, struct drm_file *file)
if (man) {
drm_print_memory_stats(p,
&stats[mem_type],
+ DRM_GEM_OBJECT_ACTIVE |
DRM_GEM_OBJECT_RESIDENT |
(mem_type != XE_PL_SYSTEM ? 0 :
DRM_GEM_OBJECT_PURGEABLE),
diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h
index bae4865b2101a..584ffdf5c2542 100644
--- a/include/drm/drm_gem.h
+++ b/include/drm/drm_gem.h
@@ -48,19 +48,21 @@ struct drm_gem_object;
* enum drm_gem_object_status - bitmask of object state for fdinfo reporting
* @DRM_GEM_OBJECT_RESIDENT: object is resident in memory (ie. not unpinned)
* @DRM_GEM_OBJECT_PURGEABLE: object marked as purgeable by userspace
+ * @DRM_GEM_OBJECT_ACTIVE: object is currently used by an active submission
*
* Bitmask of status used for fdinfo memory stats, see &drm_gem_object_funcs.status
- * and drm_show_fdinfo(). Note that an object can DRM_GEM_OBJECT_PURGEABLE if
- * it still active or not resident, in which case drm_show_fdinfo() will not
+ * and drm_show_fdinfo(). Note that an object can report DRM_GEM_OBJECT_PURGEABLE
+ * and be active or not resident, in which case drm_show_fdinfo() will not
* account for it as purgeable. So drivers do not need to check if the buffer
- * is idle and resident to return this bit. (Ie. userspace can mark a buffer
- * as purgeable even while it is still busy on the GPU.. it does not _actually_
- * become puregeable until it becomes idle. The status gem object func does
- * not need to consider this.)
+ * is idle and resident to return this bit, i.e. userspace can mark a buffer as
+ * purgeable even while it is still busy on the GPU. It whill not get reported
Good cleanup.
s/whill/will/
+ * in the puregeable stats until it becomes idle. The status gem object func
+ * does not need to consider this.
*/
enum drm_gem_object_status {
DRM_GEM_OBJECT_RESIDENT = BIT(0),
DRM_GEM_OBJECT_PURGEABLE = BIT(1),
+ DRM_GEM_OBJECT_ACTIVE = BIT(2),
};
/**
Regards,
Tvrtko
