On 22-09-2023 16:27, Tvrtko Ursulin wrote:
>
> On 22/09/2023 09:48, Iddamsetty, Aravind wrote:
>>
>>
>> On 21-09-2023 17:18, Tvrtko Ursulin wrote:
>>> From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
>>>
>>> Use the newly added drm_print_memory_stats helper to show memory
>>> utilisation of our objects in drm/driver specific fdinfo output.
>>>
>>> To collect the stats we walk the per memory regions object lists
>>> and accumulate object size into the respective drm_memory_stats
>>> categories.
>>>
>>> Objects with multiple possible placements are reported in multiple
>>> regions for total and shared sizes, while other categories are
>>
>> I guess you forgot to correct this.
>
> Ah yes, will fix.
>
>>
>>> counted only for the currently active region.
>>>
>>> v2:
>>> * Only account against the active region.
>>> * Use DMA_RESV_USAGE_BOOKKEEP when testing for active. (Tejas)
>>>
>>> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
>>> Cc: Aravind Iddamsetty <aravind.iddamsetty@xxxxxxxxx>
>>> Cc: Rob Clark <robdclark@xxxxxxxxx>
>>> Cc: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx>
>>> Cc: Tejas Upadhyay <tejas.upadhyay@xxxxxxxxx>
>>> Reviewed-by: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx> # v1
>>> ---
>>> drivers/gpu/drm/i915/i915_drm_client.c | 64 ++++++++++++++++++++++++++
>>> 1 file changed, 64 insertions(+)
>>>
>>> diff --git a/drivers/gpu/drm/i915/i915_drm_client.c
>>> b/drivers/gpu/drm/i915/i915_drm_client.c
>>> index a61356012df8..94abc2fb2ea6 100644
>>> --- a/drivers/gpu/drm/i915/i915_drm_client.c
>>> +++ b/drivers/gpu/drm/i915/i915_drm_client.c
>>> @@ -45,6 +45,68 @@ void __i915_drm_client_free(struct kref *kref)
>>> }
>>> #ifdef CONFIG_PROC_FS
>>> +static void
>>> +obj_meminfo(struct drm_i915_gem_object *obj,
>>> + struct drm_memory_stats stats[INTEL_REGION_UNKNOWN])
>>> +{
>>> + const enum intel_region_id id = obj->mm.region ?
>>> + obj->mm.region->id : INTEL_REGION_SMEM;
>>> + const u64 sz = obj->base.size;
>>> +
>>> + if (obj->base.handle_count > 1)
>>> + stats[id].shared += sz;
>>> + else
>>> + stats[id].private += sz;
>>> +
>>> + if (i915_gem_object_has_pages(obj)) {
>>> + stats[id].resident += sz;
>>> +
>>> + if (!dma_resv_test_signaled(obj->base.resv,
>>> + DMA_RESV_USAGE_BOOKKEEP))
>>> + stats[id].active += sz;
>>> + else if (i915_gem_object_is_shrinkable(obj) &&
>>> + obj->mm.madv == I915_MADV_DONTNEED)
>>> + stats[id].purgeable += sz;
>>> + }
>>> +}
>>> +
>>> +static void show_meminfo(struct drm_printer *p, struct drm_file *file)
>>> +{
>>> + struct drm_memory_stats stats[INTEL_REGION_UNKNOWN] = {};
>>> + struct drm_i915_file_private *fpriv = file->driver_priv;
>>> + struct i915_drm_client *client = fpriv->client;
>>> + struct drm_i915_private *i915 = fpriv->i915;
>>> + struct drm_i915_gem_object *obj;
>>> + struct intel_memory_region *mr;
>>> + struct list_head *pos;
>>> + unsigned int id;
>>> +
>>> + /* Public objects. */
>>> + spin_lock(&file->table_lock);
>>> + idr_for_each_entry(&file->object_idr, obj, id)
>>> + obj_meminfo(obj, stats);
>>> + spin_unlock(&file->table_lock);
>>> +
>>> + /* Internal objects. */
>>> + rcu_read_lock();
>>> + list_for_each_rcu(pos, &client->objects_list) {
>>> + obj = i915_gem_object_get_rcu(list_entry(pos, typeof(*obj),
>>> + client_link));
>>> + if (!obj)
>>> + continue;
>>> + obj_meminfo(obj, stats);
>>> + i915_gem_object_put(obj);
>>> + }
>>> + rcu_read_unlock();
>>> +
>>> + for_each_memory_region(mr, i915, id)
>>> + drm_print_memory_stats(p,
>>> + &stats[id],
>>> + DRM_GEM_OBJECT_RESIDENT |
>>> + DRM_GEM_OBJECT_PURGEABLE,
>>> + mr->name);
>>> +}
>>> +
>>> static const char * const uabi_class_names[] = {
>>> [I915_ENGINE_CLASS_RENDER] = "render",
>>> [I915_ENGINE_CLASS_COPY] = "copy",
>>> @@ -106,6 +168,8 @@ void i915_drm_client_fdinfo(struct drm_printer
>>> *p, struct drm_file *file)
>>> *
>>> ******************************************************************
>>> */
>>> + show_meminfo(p, file);
>>> +
>>> if (GRAPHICS_VER(i915) < 8)
>>> return;
>>>
>>
>> Reviewed-by: Aravind Iddamsetty <aravind.iddamsetty@xxxxxxxxx>
>
> Thank you! Would you be able to also look at the IGTs I posted yesterday?
Ya sure will take a look.
Thanks,
Aravind.
>
> Regards,
>
> Tvrtko
