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=-14.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PULL_REQUEST,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 52803C43331 for ; Fri, 3 Apr 2020 19:31:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0FC8321655 for ; Fri, 3 Apr 2020 19:31:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585942286; bh=jHcp++x/r+JwBBRNdT9jiYig+C5p2N9/dx/2wwFnXlw=; h=From:To:Cc:Subject:Date:List-ID:From; b=aosY+Hgpd9yc2pW6+l7s4uoni6csJtLcPUW4QYOTDDOdW4WO9lFhk0psn06WeGAah c5SB8u+WZ6X776v6ix+GWECKVvVkqGYxXtObXKA1tXmnNmBBFzM9xzqMYB2fTXpJQL gZbeAli6z7fomkPGp2Ib12MQvy06PkoQNKX2VcZE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390973AbgDCTbY (ORCPT ); Fri, 3 Apr 2020 15:31:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:35666 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728268AbgDCTbY (ORCPT ); Fri, 3 Apr 2020 15:31:24 -0400 Received: from localhost.localdomain (c-98-220-238-81.hsd1.il.comcast.net [98.220.238.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7E5C52063A; Fri, 3 Apr 2020 19:31:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585942283; bh=jHcp++x/r+JwBBRNdT9jiYig+C5p2N9/dx/2wwFnXlw=; h=From:To:Cc:Subject:Date:From; b=btoDr/h340zwzEWqqteBly0Bt/9vD5YgEAGufTX3a2xpIa+QZN5RJlhhl08mHBXFo p9KMGqXULujwP955qWc+tmiMbBJGzeVGRXVAiXezsXlA2KfP2o9HH8Xd/PrdWQJE6g ZndkBGdnF6Kv6umBFTdy2ncMqn/7XuNlRE5v2qEo= From: Tom Zanussi To: rostedt@goodmis.org Cc: mhiramat@kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/3] tracing: histogram internals doc, hist_debug, and misc Date: Fri, 3 Apr 2020 14:31:18 -0500 Message-Id: X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Steve, Here's the histogram internals documentation I promised awhile back (second patch). Accompanying it is a new config option that enables a new hist_debug event file, which is used by the examples in the doc to display some of the histogram internals (third patch). The first patch is just a cleanup suggested by Masami that I previously missed. Thanks, Tom The following changes since commit 8e99cf91b99bb30e16727f10ad6828741c0e992f: tracing: Do not allocate buffer in trace_find_next_entry() in atomic (2020-04-03 11:30:50 -0400) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/zanussi/linux-trace.git ftrace/hist-design-doc-v1 Tom Zanussi (3): tracing: Check state.disabled in synth event trace functions tracing: Add histogram-design document tracing: Add hist_debug trace event files for histogram debugging Documentation/trace/histogram-design.rst | 2115 ++++++++++++++++++++++ kernel/trace/Kconfig | 23 + kernel/trace/trace.h | 1 + kernel/trace/trace_events.c | 4 + kernel/trace/trace_events_hist.c | 292 ++- 5 files changed, 2419 insertions(+), 16 deletions(-) create mode 100644 Documentation/trace/histogram-design.rst -- 2.17.1