On Thu, Jul 04, 2013 at 11:02:07AM -0700, Ben Widawsky wrote:
> To make users life a little easier figuring out what they have on their
> system.
>
> Ideally, I'd really like to report LLC size, but it turned out to be a
> bit of a pain. Maybe I'll revisit it in the future.
>
> Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
I think a getparam for eLLC would be neat, so that usespace can use it to
tune working set sizes.
-Daniel
> ---
> drivers/gpu/drm/i915/i915_debugfs.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index 3e36756..b75d0a6 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -1941,6 +1941,19 @@ static int i915_dpio_info(struct seq_file *m, void *data)
> return 0;
> }
>
> +static int i915_llc(struct seq_file *m, void *data)
> +{
> + struct drm_info_node *node = (struct drm_info_node *) m->private;
> + struct drm_device *dev = node->minor->dev;
> + struct drm_i915_private *dev_priv = dev->dev_private;
> +
> + /* Size calculation for LLC is a bit of a pain. Ignore for now. */
> + seq_printf(m, "LLC: %s\n", yesno(HAS_LLC(dev)));
> + seq_printf(m, "eLLC: %zuMB\n", dev_priv->ellc_size);
> +
> + return 0;
> +}
> +
> static int
> i915_wedged_get(void *data, u64 *val)
> {
> @@ -2370,6 +2383,7 @@ static struct drm_info_list i915_debugfs_list[] = {
> {"i915_swizzle_info", i915_swizzle_info, 0},
> {"i915_ppgtt_info", i915_ppgtt_info, 0},
> {"i915_dpio", i915_dpio_info, 0},
> + {"i915_llc", i915_llc, 0},
> };
> #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
>
> --
> 1.8.3
>
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> Intel-gfx at lists.freedesktop.org
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--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
