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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4C074C10F05 for ; Tue, 5 Dec 2023 21:59:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346346AbjLEV7q (ORCPT ); Tue, 5 Dec 2023 16:59:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54468 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229849AbjLEV7m (ORCPT ); Tue, 5 Dec 2023 16:59:42 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1EA24D5B for ; Tue, 5 Dec 2023 13:59:43 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7FA32C433C7; Tue, 5 Dec 2023 21:59:43 +0000 (UTC) Received: from rostedt by gandalf with local (Exim 4.97) (envelope-from ) id 1rAdSc-00000000PNl-1XKj; Tue, 05 Dec 2023 17:00:10 -0500 Message-ID: <20231205215208.195443981@goodmis.org> User-Agent: quilt/0.67 Date: Tue, 05 Dec 2023 16:52:08 -0500 From: Steven Rostedt To: linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org Cc: Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton Subject: [PATCH v2 0/3] tracing: Keep instance main and snapshot buffers in sync Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fix keeping instance buffers in sync. That is, when the main ring buffer size is updated, the size of the instance snapshot buffer also needs to be updated if it is allocated. Changes since v1: https://lore.kernel.org/all/20231205115223.5256e1a1@gandalf.local.home/ - That was just patch 3 with the change log of patch 1. That patch just needs to be ignored. Steven Rostedt (Google) (3): tracing: Always update snapshot buffer size tracing: Stop current tracer when resizing buffer tracing: Disable snapshot buffer when stopping instance tracers ---- kernel/trace/trace.c | 123 ++++++++++++++++++--------------------------------- 1 file changed, 42 insertions(+), 81 deletions(-)