From nobody Tue Oct 7 08:17:30 2025 Received: from mail-pl1-f172.google.com (mail-pl1-f172.google.com [209.85.214.172]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AEBDB17A2EC for ; Sun, 13 Jul 2025 03:08:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752376129; cv=none; b=ZfBFF8F9gJFrfmItcoiWEEXXLmKHFKBHxCwxy6JzZSZnddWlHnIznrfAWHq/xF31o/hQpceot2kFcJ0dfIgYKWhVYfGCHU/Y6h5XLAdGRghm0mgPELqzUIekq3faA0wQWCEABTg/lkUNQgugs/p0ZGEQBvVp3rzWsuBbeLwvAo0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752376129; c=relaxed/simple; bh=bKUld+c9HOC3spoF7vkYWWhSmbQ15iaU7hKlYlFxYp4=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=JRluyCBv36gRZoRNV1r/emIG8eNrJseWxfuzx9atu6QnZ+Yucax8MCu8491p+Sx1bi/DXN7QwBfnoYeYizI2mm36/k46qr6zw5f0mtEe3aCKk+wNhNGaM/3xOvA4FhdhO4iMgA/S38B9jRIAQ300kA2nt7H0YO9gQSQ4aXICRPA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=j/59x5Bt; arc=none smtp.client-ip=209.85.214.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="j/59x5Bt" Received: by mail-pl1-f172.google.com with SMTP id d9443c01a7336-23636167afeso28932445ad.3 for ; Sat, 12 Jul 2025 20:08:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1752376127; x=1752980927; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=Jbn60TvpqcjemJ/r4zyupMTU5+LuSYLNJ8MkoKMnnh8=; b=j/59x5BtBUquuYBtXPFN/uovqb2pc7iOcROxx+WTwlQbTR0ifot2FH/7rCvUwZOMcf pePl6fqEFnyn5vEXC/OdcaFl1fFGse6nHviowJe8C3wdyriIv7qiFi6olgaQp/S1nrUR g4QT4bNqfPglU5D9D4OwSypawWk4Qy5ppPu7GXqinadhZPTtmxDqbHTq/OXBFmWU2/Ok JajKXt2kTEPlUswsW9+oAwkUgK+PpQD2hxn9RZ1w8OeZ8ko4bYlMTt0DcvmPOusDiW8I PvXEh/7Su/99zAdoTEd3nlakYbu5+sceKLzPxgCdAgCv4mD/hZohPwB0yLcYYq2ps0Xg /e+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752376127; x=1752980927; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Jbn60TvpqcjemJ/r4zyupMTU5+LuSYLNJ8MkoKMnnh8=; b=EdpQPxExHXuoYz0a3/qczwY/zDU2EmtXGQAd+KINp99QPOF1oHbL15DpksMb4hIrgb xRngyZNrg+ehoqO64zWVWk3ler6HsDcHPHSwVzcdKq5TjVw6xPKWzVOOwob9JR1fMOuO o2QolJ8i0BONxDdzCyi4H38R2Ubw/aDbXNOhxyxYM0cgSOEMygxJDecci8AcGygoG6rj gDGkocR+QG40idw30X0aJciOK0dP2QpR4cYgYFMxkgqnsT7ULtzn2xw0UKIfEpCRzLT2 x85JNH+/qvGXBcVUBKeNyUVEoph/e3SOK7U7+AQVvO9VHzyVZzjKu0s+Tae76bYKqdXO 6N9Q== X-Forwarded-Encrypted: i=1; AJvYcCVjBVGibLEwHPH0Vt7WC68Z6wFZCfWqqbetA5zUVhNJTGZT1a7wBd/lNTkzhJywnO8mz4W4+PGgX6XOv68=@vger.kernel.org X-Gm-Message-State: AOJu0YyHO1fJa1SJ/v/qPg2d1mHVoLrcO300dSduz2aynT36lW/UucKE 5dGLcuhSDb4GBtJ2rudlnH3wloOXQeuT+8GkWVctfXNIVpeKPe/SMFon X-Gm-Gg: ASbGncvgYCGSjiYUdrkZW8419jlWcvqy9OhFNO5iWrgsBGv/TQNewaHMpXi2jaqfMRq 2bZvBr6EBDYPepPYGHbrVLjOurrb7qZxDoeKSsHRIAU1WyHGsBezo0Oj5YJxPYAWaMSRgpgrSl9 /w5i/iwcUqZ0QSkeGCLzosEppf7SKNTdFeicVuy4Bts2Wuecn0o+WxW7DDNIUuCGbMZ0/o5lSmC vFj15h4vzNGSUlH2CR0J7WBgnNSlGa96WWvYHfgkyI6zoZknvYLzMxcISo25ip7uvswGrYvbIMm bRSwiVfm66tP3SUc2ovbfBURqsG+iIQcFUeWiHMawAtxdaYcXWOgb+hXzGOw6737/2YUR32kEPe 1g16NsFaacdHsJ1g2cz3V0TJxR3iuVW8JgplUQYBtevThDwoz8GtCgQrKRVN/gtnQbGQ= X-Google-Smtp-Source: AGHT+IGRurgG0gcgcuy8jSsUVy6ISTkI7Jpskf7HLDGGtwflEJua4uLny1RkZFF7c7d6ug6kAXwPcA== X-Received: by 2002:a17:902:db08:b0:234:8e78:ce8a with SMTP id d9443c01a7336-23dee3a62f4mr114608565ad.48.1752376126802; Sat, 12 Jul 2025 20:08:46 -0700 (PDT) Received: from localhost (212.18.125.34.bc.googleusercontent.com. [34.125.18.212]) by smtp.gmail.com with UTF8SMTPSA id d9443c01a7336-23de43226d9sm71023865ad.116.2025.07.12.20.08.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 12 Jul 2025 20:08:45 -0700 (PDT) From: Chia-I Wu To: Boris Brezillon , Steven Price , Liviu Dudau , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/3] panthor: save task pid and comm in panthor_group Date: Sat, 12 Jul 2025 20:08:30 -0700 Message-ID: <20250713030831.3227607-3-olvaffe@gmail.com> X-Mailer: git-send-email 2.50.0.727.gbf7dc18ff4-goog In-Reply-To: <20250713030831.3227607-1-olvaffe@gmail.com> References: <20250713030831.3227607-1-olvaffe@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" We would like to report them on gpu errors. We choose to save the info on panthor_group_create rather than on panthor_open because, when the two differ, we are more interested in the task that created the group. Signed-off-by: Chia-I Wu Reviewed-by: Steven Price --- v2: save to panthor_group on panthor_group_create rather than to panthor_file on panthor_open --- drivers/gpu/drm/panthor/panthor_sched.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/gpu/drm/panthor/panthor_sched.c b/drivers/gpu/drm/pant= hor/panthor_sched.c index a2248f692a030..823b0fe678ba6 100644 --- a/drivers/gpu/drm/panthor/panthor_sched.c +++ b/drivers/gpu/drm/panthor/panthor_sched.c @@ -641,6 +641,15 @@ struct panthor_group { size_t kbo_sizes; } fdinfo; =20 + /** @task_info: Info of current->group_leader that created the group. */ + struct { + /** @pid: pid of current->group_leader */ + pid_t pid; + + /** @comm: comm of current->group_leader */ + char comm[TASK_COMM_LEN]; + } task_info; + /** @state: Group state. */ enum panthor_group_state state; =20 @@ -3389,6 +3398,14 @@ group_create_queue(struct panthor_group *group, return ERR_PTR(ret); } =20 +static void group_init_task_info(struct panthor_group *group) +{ + struct task_struct *task =3D current->group_leader; + + group->task_info.pid =3D task->pid; + get_task_comm(group->task_info.comm, task); +} + static void add_group_kbo_sizes(struct panthor_device *ptdev, struct panthor_group *group) { @@ -3540,6 +3557,8 @@ int panthor_group_create(struct panthor_file *pfile, add_group_kbo_sizes(group->ptdev, group); spin_lock_init(&group->fdinfo.lock); =20 + group_init_task_info(group); + return gid; =20 err_put_group: --=20 2.50.0.727.gbf7dc18ff4-goog