From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5DFB8C79F99 for ; Sat, 5 Sep 2026 18:14:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 67A1310E2E6; Sat, 5 Sep 2026 18:13:55 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="RhDPSF8X"; dkim-atps=neutral Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id D24EE10E2D6 for ; Sat, 5 Sep 2026 18:13:47 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 8628B44819; Sat, 5 Sep 2026 18:13:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 677EFC2BCB3; Sat, 5 Sep 2026 18:13:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1788632022; bh=SUBykgQmJTa1PE14m+dIJu09xFu1BVf5d/3PHirJEgU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=RhDPSF8X5IEGqS/LWDJ6FahigCjxAOGLj4nJOWzLAND7qgqV8nt1fK8F7pzn5GfxY PR9vuCp7GnGme8mXXbWaVHkkgV6WApAFbXULNcLbR/2TEFer0sNfnDDnolMHVQQFcG NPkw2lYlzbVJjOQpOcNpe6av9TlYg/XfLvwhJDmKXN40kEP2t+e6mu/lwgiwiw7Gtm DQ0GNUu9YLml5kJ48/pE+qO1h6yglaofiKhEyMPsgZDLzFjZEZNhguLupsTuxW3HlW /+IXdbQdn9+doEZ2oLSCfzK+n2+vDzsxuzYWzDdJUXnN79rs0OfZGRmpuG4aJNIqAZ DwdSwE69nmMTA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 540C5C79F9B; Sat, 5 Sep 2026 18:13:42 +0000 (UTC) From: Jim Cromie via B4 Relay Date: Sat, 05 Sep 2026 12:13:54 -0600 Subject: [PATCH v8 40/43] dyndbg: add epilogue to dynamic_debug/control file MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260905-dd-cmap-part2-clean-v8-40-a4cc0674f6fd@gmail.com> References: <20260905-dd-cmap-part2-clean-v8-0-a4cc0674f6fd@gmail.com> In-Reply-To: <20260905-dd-cmap-part2-clean-v8-0-a4cc0674f6fd@gmail.com> To: Jason Baron , Shuah Khan , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Arnd Bergmann , Luis Chamberlain , Petr Pavlu , Daniel Gomez , Sami Tolvanen , Aaron Tomlin , Andrew Morton , Jonathan Corbet , Shuah Khan , Greg Kroah-Hartman , Nathan Chancellor , Nicolas Schier Cc: linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arch@vger.kernel.org, linux-modules@vger.kernel.org, linux-doc@vger.kernel.org, linux-kbuild@vger.kernel.org, Jim Cromie X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1788632017; l=1748; i=jim.cromie@gmail.com; s=20260203; h=from:subject:message-id; bh=pDQl0WU597+iuQJgxNO6SBnf8FKttKrNPLhxD1JVRzk=; b=fVQqIQ0u9a7YkCGWycdCyruWU55wIbPnwmvOf+0TYuca5l+5pflsdc8OEgFA7Gb3nECbmEmEu qJT6+75RrtNCLF9WXcvEPAAjSeUUIcTmW97F8bUEVE5pf5dy3/uhv0p X-Developer-Key: i=jim.cromie@gmail.com; a=ed25519; pk=C6E5ODlPQo7ZBynATXH9wg7K6HxP0pIXyf4s38Qw0XE= X-Endpoint-Received: by B4 Relay for jim.cromie@gmail.com/20260203 with auth_id=958 X-Original-From: Jim Cromie X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: jim.cromie@gmail.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Jim Cromie Add an epilogue to the control-file, to allow display of statistics etc, without disturbing the header. NB: epilogue lines should start with "#: " to distinguish them from lines describing pr_debugs (and from the header line). No new lines are added here, only the place to do so. Signed-off-by: Jim Cromie --- lib/dynamic_debug.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c index b7ccf471b5ef..d098afe8d340 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -1183,17 +1183,28 @@ static void *ddebug_proc_start(struct seq_file *m, loff_t *pos) * call from userspace, with ddebug_lock held. Walks to the * next _ddebug object with a special case for the header line. */ +static char ddebug_epilogue_token; +#define EPILOGUE_TOKEN (&ddebug_epilogue_token) + static void *ddebug_proc_next(struct seq_file *m, void *p, loff_t *pos) { struct ddebug_iter *iter = m->private; struct _ddebug *dp; + (*pos)++; + + if (p == EPILOGUE_TOKEN) + return NULL; + if (p == SEQ_START_TOKEN) dp = ddebug_iter_first(iter); else dp = ddebug_iter_next(iter); - ++*pos; - return dp; + + if (dp) + return dp; + + return EPILOGUE_TOKEN; } static bool ddebug_class_map_in_range(const int class_id, const struct ddebug_class_map *map) @@ -1245,6 +1256,10 @@ static int ddebug_proc_show(struct seq_file *m, void *p) "# filename:lineno [module]function flags format\n"); return 0; } + if (p == EPILOGUE_TOKEN) { + /* use this soon */ + return 0; + } seq_printf(m, "%s:%u [%s]%s =%s \"", trim_prefix(dp->filename), dp->lineno, -- 2.55.0 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jim Cromie Date: Sat, 05 Sep 2026 12:13:54 -0600 Subject: [PATCH v8 40/43] dyndbg: add epilogue to dynamic_debug/control file MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260905-dd-cmap-part2-clean-v8-40-a4cc0674f6fd@gmail.com> References: <20260905-dd-cmap-part2-clean-v8-0-a4cc0674f6fd@gmail.com> In-Reply-To: <20260905-dd-cmap-part2-clean-v8-0-a4cc0674f6fd@gmail.com> To: Jason Baron , Shuah Khan , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Arnd Bergmann , Luis Chamberlain , Petr Pavlu , Daniel Gomez , Sami Tolvanen , Aaron Tomlin , Andrew Morton , Jonathan Corbet , Shuah Khan , Greg Kroah-Hartman , Nathan Chancellor , Nicolas Schier Cc: linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arch@vger.kernel.org, linux-modules@vger.kernel.org, linux-doc@vger.kernel.org, linux-kbuild@vger.kernel.org, Jim Cromie X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1788632017; l=1748; i=jim.cromie@gmail.com; s=20260203; h=from:subject:message-id; bh=pDQl0WU597+iuQJgxNO6SBnf8FKttKrNPLhxD1JVRzk=; b=fVQqIQ0u9a7YkCGWycdCyruWU55wIbPnwmvOf+0TYuca5l+5pflsdc8OEgFA7Gb3nECbmEmEu qJT6+75RrtNCLF9WXcvEPAAjSeUUIcTmW97F8bUEVE5pf5dy3/uhv0p X-Developer-Key: i=jim.cromie@gmail.com; a=ed25519; pk=C6E5ODlPQo7ZBynATXH9wg7K6HxP0pIXyf4s38Qw0XE= X-Endpoint-Received: by B4 Relay for jim.cromie@gmail.com/20260203 with auth_id=958 List-Id: B4 Relay Submissions Add an epilogue to the control-file, to allow display of statistics etc, without disturbing the header. NB: epilogue lines should start with "#: " to distinguish them from lines describing pr_debugs (and from the header line). No new lines are added here, only the place to do so. Signed-off-by: Jim Cromie --- lib/dynamic_debug.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c index b7ccf471b5ef..d098afe8d340 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -1183,17 +1183,28 @@ static void *ddebug_proc_start(struct seq_file *m, loff_t *pos) * call from userspace, with ddebug_lock held. Walks to the * next _ddebug object with a special case for the header line. */ +static char ddebug_epilogue_token; +#define EPILOGUE_TOKEN (&ddebug_epilogue_token) + static void *ddebug_proc_next(struct seq_file *m, void *p, loff_t *pos) { struct ddebug_iter *iter = m->private; struct _ddebug *dp; + (*pos)++; + + if (p == EPILOGUE_TOKEN) + return NULL; + if (p == SEQ_START_TOKEN) dp = ddebug_iter_first(iter); else dp = ddebug_iter_next(iter); - ++*pos; - return dp; + + if (dp) + return dp; + + return EPILOGUE_TOKEN; } static bool ddebug_class_map_in_range(const int class_id, const struct ddebug_class_map *map) @@ -1245,6 +1256,10 @@ static int ddebug_proc_show(struct seq_file *m, void *p) "# filename:lineno [module]function flags format\n"); return 0; } + if (p == EPILOGUE_TOKEN) { + /* use this soon */ + return 0; + } seq_printf(m, "%s:%u [%s]%s =%s \"", trim_prefix(dp->filename), dp->lineno, -- 2.55.0