From: Pierre-Eric Pelloux-Prayer Date: Thu, 3 Oct 2024 12:43:10 +0000 (+0200) Subject: drm: use drm_file client_name in fdinfo X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=2c34a5464007c45142af009d13c668b0630ef9c0;p=users%2Fjedix%2Flinux-maple.git drm: use drm_file client_name in fdinfo Add an optional drm-client-name field to drm fdinfo's output. Reviewed-by: Christian König Reviewed-by: Tvrtko Ursulin Signed-off-by: Pierre-Eric Pelloux-Prayer Link: https://patchwork.freedesktop.org/patch/msgid/20241003124506.470931-3-pierre-eric.pelloux-prayer@amd.com Reviewed-by: Christian König Signed-off-by: Christian König --- diff --git a/Documentation/gpu/drm-usage-stats.rst b/Documentation/gpu/drm-usage-stats.rst index a80f95ca1b2f4..566e122e6e605 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: + +String optionally set by userspace using DRM_IOCTL_SET_CLIENT_NAME. + + Utilization ^^^^^^^^^^^ diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c index 65c40ce3d61cd..2ee1c3233b0c6 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->client_name_lock); + if (file->client_name) + drm_printf(&p, "drm-client-name:\t%s\n", file->client_name); + mutex_unlock(&file->client_name_lock); + if (dev->driver->show_fdinfo) dev->driver->show_fdinfo(&p, file); }