Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755249AbdLUQFS (ORCPT ); Thu, 21 Dec 2017 11:05:18 -0500 Received: from mga01.intel.com ([192.55.52.88]:14189 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755224AbdLUQFN (ORCPT ); Thu, 21 Dec 2017 11:05:13 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.45,436,1508828400"; d="scan'208";a="4358502" 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 v8 36/37] tracing: Add inter-event blurb to HIST_TRIGGERS config option Date: Thu, 21 Dec 2017 10:02:58 -0600 Message-Id: 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 904c952..4ec8cd2 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -597,7 +597,10 @@ 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