[PATCH v2 11/11] drm/i915: Show context objects in debugfs/i915_gem_objects

Chris Wilson
2016-05-23T11:34:40Z

Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
---
drivers/gpu/drm/i915/i915_debugfs.c | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 30cb26fe2fa9..3d14eb3215e1 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -417,6 +417,40 @@ static void print_batch_pool_stats(struct seq_file *m,
print_file_stats(m, "[k]batch pool", stats);
}

+static int per_file_ctx_stats(int id, void *ptr, void *data)
+{
+ struct i915_gem_context *ctx = ptr;
+ int n;
+
+ for (n = 0; n < ARRAY_SIZE(ctx->engine); n++) {
+ if (ctx->engine[n].state)
+ per_file_stats(0, ctx->engine[n].state, data);
+ if (ctx->engine[n].ringbuf)
+ per_file_stats(0, ctx->engine[n].ringbuf->obj, data);
+ }
+
+ return 0;
+}
+
+static void print_context_stats(struct seq_file *m,
+ struct drm_i915_private *dev_priv)
+{
+ struct file_stats stats;
+ struct drm_file *file;
+
+ memset(&stats, 0, sizeof(stats));
+
+ if (dev_priv->kernel_context)
+ per_file_ctx_stats(0, dev_priv->kernel_context, &stats);
+
+ list_for_each_entry(file, &dev_priv->dev->filelist, lhead) {
+ struct drm_i915_file_private *fpriv = file->driver_priv;
+ idr_for_each(&fpriv->context_idr, per_file_ctx_stats, &stats);
+ }
+
+ print_file_stats(m, "[k]contexts", stats);
+}
+
#define count_vmas(list, member) do { \
list_for_each_entry(vma, list, member) { \
size += i915_gem_obj_total_ggtt_size(vma->obj); \
@@ -521,6 +555,7 @@ static int i915_gem_object_info(struct seq_file *m, void* data)

seq_putc(m, '\n');
print_batch_pool_stats(m, dev_priv);
+ print_context_stats(m, dev_priv);

mutex_unlock(&dev->struct_mutex);