diff options
Diffstat (limited to 'drivers/gpu/drm/v3d/v3d_drv.c')
| -rw-r--r-- | drivers/gpu/drm/v3d/v3d_drv.c | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c index 1ab46bdf8ad7..82984b4df2a2 100644 --- a/drivers/gpu/drm/v3d/v3d_drv.c +++ b/drivers/gpu/drm/v3d/v3d_drv.c @@ -19,6 +19,7 @@ #include <linux/module.h> #include <linux/of_platform.h> #include <linux/platform_device.h> +#include <linux/sched/clock.h> #include <linux/reset.h> #include <drm/drm_drv.h> @@ -111,6 +112,10 @@ v3d_open(struct drm_device *dev, struct drm_file *file) v3d_priv->v3d = v3d; for (i = 0; i < V3D_MAX_QUEUES; i++) { + v3d_priv->enabled_ns[i] = 0; + v3d_priv->start_ns[i] = 0; + v3d_priv->jobs_sent[i] = 0; + sched = &v3d->queue[i].sched; drm_sched_entity_init(&v3d_priv->sched_entity[i], DRM_SCHED_PRIORITY_NORMAL, &sched, @@ -136,7 +141,35 @@ v3d_postclose(struct drm_device *dev, struct drm_file *file) kfree(v3d_priv); } -DEFINE_DRM_GEM_FOPS(v3d_drm_fops); +static void v3d_show_fdinfo(struct drm_printer *p, struct drm_file *file) +{ + struct v3d_file_priv *file_priv = file->driver_priv; + u64 timestamp = local_clock(); + enum v3d_queue queue; + + for (queue = 0; queue < V3D_MAX_QUEUES; queue++) { + /* Note that, in case of a GPU reset, the time spent during an + * attempt of executing the job is not computed in the runtime. + */ + drm_printf(p, "drm-engine-%s: \t%llu ns\n", + v3d_queue_to_string(queue), + file_priv->start_ns[queue] ? file_priv->enabled_ns[queue] + + timestamp - file_priv->start_ns[queue] + : file_priv->enabled_ns[queue]); + + /* Note that we only count jobs that completed. Therefore, jobs + * that were resubmitted due to a GPU reset are not computed. + */ + drm_printf(p, "v3d-jobs-%s: \t%llu jobs\n", + v3d_queue_to_string(queue), file_priv->jobs_sent[queue]); + } +} + +static const struct file_operations v3d_drm_fops = { + .owner = THIS_MODULE, + DRM_GEM_FOPS, + .show_fdinfo = drm_show_fdinfo, +}; /* DRM_AUTH is required on SUBMIT_CL for now, while we don't have GMP * protection between clients. Note that render nodes would be @@ -176,6 +209,7 @@ static const struct drm_driver v3d_drm_driver = { .ioctls = v3d_drm_ioctls, .num_ioctls = ARRAY_SIZE(v3d_drm_ioctls), .fops = &v3d_drm_fops, + .show_fdinfo = v3d_show_fdinfo, .name = DRIVER_NAME, .desc = DRIVER_DESC, |