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 X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4EE48C433DF for ; Mon, 29 Jun 2020 02:53:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2CFBA206F1 for ; Mon, 29 Jun 2020 02:53:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726142AbgF2CxB (ORCPT ); Sun, 28 Jun 2020 22:53:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:36172 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725983AbgF2CxA (ORCPT ); Sun, 28 Jun 2020 22:53:00 -0400 Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E9599206BE; Mon, 29 Jun 2020 02:52:59 +0000 (UTC) Received: from rostedt by gandalf.local.home with local (Exim 4.93) (envelope-from ) id 1jpjuk-0043Mu-U9; Sun, 28 Jun 2020 22:52:58 -0400 Message-ID: <20200629025224.485251097@goodmis.org> User-Agent: quilt/0.66 Date: Sun, 28 Jun 2020 22:52:24 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Mathieu Desnoyers , Peter Zijlstra , Thomas Gleixner , Masami Hiramatsu , Arnaldo Carvalho de Melo , Jiri Olsa , Namhyung Kim , Yordan Karadzhov , Tzvetomir Stoyanov , Tom Zanussi , Jason Behmer , Julia Lawall , Clark Williams , bristot , Daniel Wagner , Darren Hart , Jonathan Corbet , "Suresh E. Warrier" Subject: [PATCH 0/3 V2] ring-buffer: Restructure ftrace ring buffer time keeping to allow accurate nested timing Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org V1 of this patch set can be found here: https://lore.kernel.org/r/20200627010041.517736087@goodmis.org Changes since V1 patch set: - Fixed white space issues (kernel test robot) - Fixed change log algorithm to match the code (Masami Hiramatsu) - Removed next_write useless code. (Masami Hiramatsu) Head SHA1: 72c27b3e97be0b2fca6b5518d299bccbc714a245 Steven Rostedt (VMware) (3): ring-buffer: Have nested events still record running time stamp ring-buffer: Incorporate absolute timestamp into add_timestamp logic ring-buffer: Add rb_time_t 64 bit operations for speeding up 32 bit ---- kernel/trace/ring_buffer.c | 498 ++++++++++++++++++++++++++++++++++++--------- 1 file changed, 401 insertions(+), 97 deletions(-)