linux-kernel - Re: [PATCH v7 09/10] i915: add ref_tracker

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Message-ID: <87zffqujcp.fsf@intel.com>
Date: Tue, 06 May 2025 13:25:10 +0300
From: Jani Nikula <jani.nikula@...ux.intel.com>
To: Jeff Layton <jlayton@...nel.org>, Andrew Morton
 <akpm@...ux-foundation.org>, "David S. Miller" <davem@...emloft.net>, Eric
 Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo
 Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>, Maarten
 Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard
 <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, David
 Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, Joonas
 Lahtinen <joonas.lahtinen@...ux.intel.com>, Rodrigo Vivi
 <rodrigo.vivi@...el.com>, Tvrtko Ursulin <tursulin@...ulin.net>
Cc: Kuniyuki Iwashima <kuniyu@...zon.com>, Qasim Ijaz <qasdev00@...il.com>,
 Nathan Chancellor <nathan@...nel.org>, Andrew Lunn <andrew@...n.ch>,
 linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
 dri-devel@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org, Jeff
 Layton <jlayton@...nel.org>
Subject: Re: [PATCH v7 09/10] i915: add ref_tracker_dir symlinks for each
 tracker

On Mon, 05 May 2025, Jeff Layton <jlayton@...nel.org> wrote:
> Now that there is the ability to create a symlink for each tracker, do
> so for the i915 entries.

I haven't tried this, but

Acked-by: Jani Nikula <jani.nikula@...el.com>

>
> Signed-off-by: Jeff Layton <jlayton@...nel.org>
> ---
>  drivers/gpu/drm/i915/intel_runtime_pm.c | 1 +
>  drivers/gpu/drm/i915/intel_wakeref.c    | 1 +
>  2 files changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
> index 3fdab3b44c08cea16ac2f73aafc2bea2ffbb19e7..94315e952ead9be276298fb2a0200d102005a0c1 100644
> --- a/drivers/gpu/drm/i915/intel_runtime_pm.c
> +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
> @@ -61,6 +61,7 @@ static void init_intel_runtime_pm_wakeref(struct intel_runtime_pm *rpm)
>  {
>  	ref_tracker_dir_init(&rpm->debug, INTEL_REFTRACK_DEAD_COUNT,
>  			     "intel_runtime_pm", dev_name(rpm->kdev));
> +	ref_tracker_dir_symlink(&rpm->debug, "intel_runtime_pm-%s", dev_name(rpm->kdev));
>  }
>  
>  static intel_wakeref_t
> diff --git a/drivers/gpu/drm/i915/intel_wakeref.c b/drivers/gpu/drm/i915/intel_wakeref.c
> index 5269e64c58a49884f5d712557546272bfdeb8417..2e0498b3fa7947f994de1339d4d2bed93de1a795 100644
> --- a/drivers/gpu/drm/i915/intel_wakeref.c
> +++ b/drivers/gpu/drm/i915/intel_wakeref.c
> @@ -115,6 +115,7 @@ void __intel_wakeref_init(struct intel_wakeref *wf,
>  
>  #if IS_ENABLED(CONFIG_DRM_I915_DEBUG_WAKEREF)
>  	ref_tracker_dir_init(&wf->debug, INTEL_REFTRACK_DEAD_COUNT, "intel_wakeref", name);
> +	ref_tracker_dir_symlink(&wf->debug, "intel_wakeref-%s", name);
>  #endif
>  }

-- 
Jani Nikula, Intel