On 16/09/2024 14:32, Pierre-Eric Pelloux-Prayer wrote:
Add an optional drm-client-name field to drm fdinfo's output.

Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-pra...@amd.com>
---
  Documentation/gpu/drm-usage-stats.rst | 5 +++++
  drivers/gpu/drm/drm_file.c            | 5 +++++
  2 files changed, 10 insertions(+)

diff --git a/Documentation/gpu/drm-usage-stats.rst 
b/Documentation/gpu/drm-usage-stats.rst
index a80f95ca1b2f..ed1d7edbbc5f 100644
--- a/Documentation/gpu/drm-usage-stats.rst
+++ b/Documentation/gpu/drm-usage-stats.rst
@@ -73,6 +73,11 @@ scope of each device, in which case `drm-pdev` shall be 
present as well.
  Userspace should make sure to not double account any usage statistics by using
  the above described criteria in order to associate data to individual clients.
+- drm-client-name: <valstr>
+
+String optionally set by userspace using DRM_IOCTL_SET_NAME.
+
+
  Utilization
  ^^^^^^^^^^^
diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c
index e9dd0e90a1f9..6a3621f50784 100644
--- a/drivers/gpu/drm/drm_file.c
+++ b/drivers/gpu/drm/drm_file.c
@@ -955,6 +955,11 @@ void drm_show_fdinfo(struct seq_file *m, struct file *f)
                           PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn));
        }
+ mutex_lock(&file->name_lock);
+       if (file->name)
+               drm_printf(&p, "drm-client-name:\t%s\n", file->name);
+       mutex_unlock(&file->name_lock);
+
        if (dev->driver->show_fdinfo)
                dev->driver->show_fdinfo(&p, file);
  }

Reviewed-by: Tvrtko Ursulin <tvrtko.ursu...@igalia.com>

Regards,

Tvrtko

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