Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752627AbdLFWlE (ORCPT ); Wed, 6 Dec 2017 17:41:04 -0500 Received: from mga02.intel.com ([134.134.136.20]:15469 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752418AbdLFWk7 (ORCPT ); Wed, 6 Dec 2017 17:40:59 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.45,369,1508828400"; d="scan'208";a="182011387" From: Tom Zanussi To: rostedt@goodmis.org Cc: tglx@linutronix.de, mhiramat@kernel.org, namhyung@kernel.org, vedang.patel@intel.com, bigeasy@linutronix.de, joel.opensrc@gmail.com, joelaf@google.com, mathieu.desnoyers@efficios.com, baohong.liu@intel.com, rajvi.jingar@intel.com, julia@ni.com, fengguang.wu@intel.com, linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org, Tom Zanussi Subject: [PATCH v7 36/37] tracing: Add inter-event blurb to HIST_TRIGGERS config option Date: Wed, 6 Dec 2017 16:38:17 -0600 Message-Id: <4acf04b6c3f8ed0b05e0be24f3b3795f51b2f70a.1512593081.git.tom.zanussi@linux.intel.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 825 Lines: 27 So that users know that inter-event tracing is supported as part of the HIST_TRIGGERS option, include text to that effect in the help text. Signed-off-by: Tom Zanussi --- kernel/trace/Kconfig | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index b8395a0..bb7cb8d 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -596,7 +596,10 @@ config HIST_TRIGGERS event activity as an initial guide for further investigation using more advanced tools. - See Documentation/trace/events.txt. + Inter-event tracing of quantities such as latencies is also + supported using hist triggers under this option. + + See Documentation/trace/histogram.txt. If in doubt, say N. config MMIOTRACE_TEST -- 1.9.3