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| author | Erico Nunes <nunes.erico@gmail.com> | 2023-03-13 02:30:52 +0300 |
|---|---|---|
| committer | Qiang Yu <yuq825@gmail.com> | 2023-04-02 13:18:37 +0300 |
| commit | 4a66f3da99dcb4dcbd28544110636b50adfb0f0d (patch) | |
| tree | cca4dbf47b1770a8d9fddafc36403fa8477dd8d4 /drivers/gpu/drm/lima/lima_drv.c | |
| parent | 87767de835edf527b879a363d518c33da68adb81 (diff) | |
| download | linux-4a66f3da99dcb4dcbd28544110636b50adfb0f0d.tar.xz | |
drm/lima: add show_fdinfo for drm usage stats
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>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230312233052.21095-4-nunes.erico@gmail.com
Diffstat (limited to 'drivers/gpu/drm/lima/lima_drv.c')
| -rw-r--r-- | drivers/gpu/drm/lima/lima_drv.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/drivers/gpu/drm/lima/lima_drv.c b/drivers/gpu/drm/lima/lima_drv.c index f456a471216b..3420875d6fc6 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 = to_lima_dev(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: |