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-prayer@xxxxxxx>
---
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.ursulin@xxxxxxxxxx>
Regards,
Tvrtko
