diff mbox series

[v3,2/6] drm: use drm_file name in fdinfo

Message ID 20240920090920.1342694-3-pierre-eric.pelloux-prayer@amd.com (mailing list archive)
State New, archived
Headers show
Series DRM_SET_NAME ioctl | expand

Commit Message

Pierre-Eric Pelloux-Prayer Sept. 20, 2024, 9:06 a.m. UTC 
Add an optional drm-client-name field to drm fdinfo's output.

Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
---
 Documentation/gpu/drm-usage-stats.rst | 5 +++++
 drivers/gpu/drm/drm_file.c            | 5 +++++
 2 files changed, 10 insertions(+)
diff mbox series

Patch

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);
 }