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Commit c67a17e9 authored by Chris Wilson's avatar Chris Wilson Committed by Daniel Vetter
Browse files

drm/i915: Print how many objects are shared in per-process stats 



The point of this measure is to gauge why a process has a lot of gem
objects in uses and why. Especially for compositors it's interesting
to know whether it's a leak of private objects or just a lot of use
from buffers shared with clients.

Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: default avatarBen Widawsky <ben@bwidawsk.net>
[danvet: Add a bit of commit message flesh to address Ben's comment.]
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 6313c204

drivers/gpu/drm/i915/i915_debugfs.c

+8 −2
Original line number Diff line number Diff line
@@ -301,7 +301,9 @@ static int i915_gem_stolen_list_info(struct seq_file *m, void *data) 
struct file_stats {

	struct drm_i915_file_private *file_priv;

	int count;

	size_t total, global, active, inactive, unbound;

	size_t total, unbound;

	size_t global, shared;

	size_t active, inactive;

};



static int per_file_stats(int id, void *ptr, void *data)
@@ -313,6 +315,9 @@ static int per_file_stats(int id, void *ptr, void *data) 
	stats->count++;

	stats->total += obj->base.size;



	if (obj->base.name || obj->base.dma_buf)

		stats->shared += obj->base.size;



	if (USES_FULL_PPGTT(obj->base.dev)) {

		list_for_each_entry(vma, &obj->vma_list, vma_link) {

			struct i915_hw_ppgtt *ppgtt;
@@ -450,13 +455,14 @@ static int i915_gem_object_info(struct seq_file *m, void* data) 
		 */

		rcu_read_lock();

		task = pid_task(file->pid, PIDTYPE_PID);

		seq_printf(m, "%s: %u objects, %zu bytes (%zu active, %zu inactive, %zu global, %zu unbound)\n",

		seq_printf(m, "%s: %u objects, %zu bytes (%zu active, %zu inactive, %zu global, %zu shared, %zu unbound)\n",

			   task ? task->comm : "<unknown>",

			   stats.count,

			   stats.total,

			   stats.active,

			   stats.inactive,

			   stats.global,

			   stats.shared,

			   stats.unbound);

		rcu_read_unlock();

	}