| Message ID | 20230312233052.21095-4-nunes.erico@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/lima: expose usage statistics via fdinfo | expand |
On Mon, Mar 13, 2023 at 7:31 AM Erico Nunes <nunes.erico@gmail.com> wrote: > > This exposes an accumulated active time per client via the fdinfo > infrastructure per execution engine, following > Documentation/gpu/drm-usage-stats.rst. > In lima, the exposed execution engines are gp and pp. > > Signed-off-by: Erico Nunes <nunes.erico@gmail.com> > --- > drivers/gpu/drm/lima/lima_drv.c | 31 ++++++++++++++++++++++++++++++- > 1 file changed, 30 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/lima/lima_drv.c b/drivers/gpu/drm/lima/lima_drv.c > index d23c0b77a252..c044a31493a4 100644 > --- a/drivers/gpu/drm/lima/lima_drv.c > +++ b/drivers/gpu/drm/lima/lima_drv.c > @@ -261,7 +261,36 @@ static const struct drm_ioctl_desc lima_drm_driver_ioctls[] = { > DRM_IOCTL_DEF_DRV(LIMA_CTX_FREE, lima_ioctl_ctx_free, DRM_RENDER_ALLOW), > }; > > -DEFINE_DRM_GEM_FOPS(lima_drm_driver_fops); > +static void lima_drm_driver_show_fdinfo(struct seq_file *m, struct file *filp) > +{ > + struct drm_file *file = filp->private_data; > + struct drm_device *dev = file->minor->dev; > + struct lima_device *ldev = dev->dev_private; Can use to_lima_dev(). > + struct lima_drm_priv *priv = file->driver_priv; > + struct lima_ctx_mgr *ctx_mgr = &priv->ctx_mgr; > + u64 usage[lima_pipe_num]; > + > + lima_ctx_mgr_usage(ctx_mgr, usage); > + > + /* > + * For a description of the text output format used here, see > + * Documentation/gpu/drm-usage-stats.rst. > + */ > + seq_printf(m, "drm-driver:\t%s\n", dev->driver->name); > + seq_printf(m, "drm-client-id:\t%u\n", priv->id); > + for (int i = 0; i < lima_pipe_num; i++) { > + struct lima_sched_pipe *pipe = &ldev->pipe[i]; > + struct drm_gpu_scheduler *sched = &pipe->base; > + > + seq_printf(m, "drm-engine-%s:\t%llu ns\n", sched->name, usage[i]); > + } > +} > + > +static const struct file_operations lima_drm_driver_fops = { > + .owner = THIS_MODULE, > + DRM_GEM_FOPS, > + .show_fdinfo = lima_drm_driver_show_fdinfo, > +}; > > /* > * Changelog: > -- > 2.39.2 >
diff --git a/drivers/gpu/drm/lima/lima_drv.c b/drivers/gpu/drm/lima/lima_drv.c index d23c0b77a252..c044a31493a4 100644 --- a/drivers/gpu/drm/lima/lima_drv.c +++ b/drivers/gpu/drm/lima/lima_drv.c @@ -261,7 +261,36 @@ static const struct drm_ioctl_desc lima_drm_driver_ioctls[] = { DRM_IOCTL_DEF_DRV(LIMA_CTX_FREE, lima_ioctl_ctx_free, DRM_RENDER_ALLOW), }; -DEFINE_DRM_GEM_FOPS(lima_drm_driver_fops); +static void lima_drm_driver_show_fdinfo(struct seq_file *m, struct file *filp) +{ + struct drm_file *file = filp->private_data; + struct drm_device *dev = file->minor->dev; + struct lima_device *ldev = dev->dev_private; + struct lima_drm_priv *priv = file->driver_priv; + struct lima_ctx_mgr *ctx_mgr = &priv->ctx_mgr; + u64 usage[lima_pipe_num]; + + lima_ctx_mgr_usage(ctx_mgr, usage); + + /* + * For a description of the text output format used here, see + * Documentation/gpu/drm-usage-stats.rst. + */ + seq_printf(m, "drm-driver:\t%s\n", dev->driver->name); + seq_printf(m, "drm-client-id:\t%u\n", priv->id); + for (int i = 0; i < lima_pipe_num; i++) { + struct lima_sched_pipe *pipe = &ldev->pipe[i]; + struct drm_gpu_scheduler *sched = &pipe->base; + + seq_printf(m, "drm-engine-%s:\t%llu ns\n", sched->name, usage[i]); + } +} + +static const struct file_operations lima_drm_driver_fops = { + .owner = THIS_MODULE, + DRM_GEM_FOPS, + .show_fdinfo = lima_drm_driver_show_fdinfo, +}; /* * Changelog:
This exposes an accumulated active time per client via the fdinfo infrastructure per execution engine, following Documentation/gpu/drm-usage-stats.rst. In lima, the exposed execution engines are gp and pp. Signed-off-by: Erico Nunes <nunes.erico@gmail.com> --- drivers/gpu/drm/lima/lima_drv.c | 31 ++++++++++++++++++++++++++++++- 1 file changed, 30 insertions(+), 1 deletion(-)