From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754154AbdCIIGc (ORCPT ); Thu, 9 Mar 2017 03:06:32 -0500 Received: from mail.kernel.org ([198.145.29.136]:39232 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752985AbdCIIG1 (ORCPT ); Thu, 9 Mar 2017 03:06:27 -0500 Date: Thu, 9 Mar 2017 08:57:11 +0100 From: Masami Hiramatsu To: "Naveen N. Rao" Cc: Arnaldo Carvalho de Melo , Ananth N Mavinakayanahalli , Ingo Molnar , linux-kernel@vger.kernel.org Subject: Re: [TRIVIAL PATCH 1/2] doc: trace/kprobes: add information about NOKPROBE_SYMBOL Message-Id: <20170309085711.84392f1690725687a3a7c0f9@kernel.org> In-Reply-To: References: X-Mailer: Sylpheed 3.5.0 (GTK+ 2.24.30; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 8 Mar 2017 22:34:14 +0530 "Naveen N. Rao" wrote: > Update kprobe tracer documentation to also mention that > NOKPROBE_SYMBOL() and nokprobe_inline add symbols to the kprobes > blacklist. Thanks for update! Acked-by: Masami Hiramatsu > > Signed-off-by: Naveen N. Rao > --- > Documentation/trace/kprobetrace.txt | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/Documentation/trace/kprobetrace.txt b/Documentation/trace/kprobetrace.txt > index 41ef9d8efe95..5ea85059db3b 100644 > --- a/Documentation/trace/kprobetrace.txt > +++ b/Documentation/trace/kprobetrace.txt > @@ -8,8 +8,9 @@ Overview > -------- > These events are similar to tracepoint based events. Instead of Tracepoint, > this is based on kprobes (kprobe and kretprobe). So it can probe wherever > -kprobes can probe (this means, all functions body except for __kprobes > -functions). Unlike the Tracepoint based event, this can be added and removed > +kprobes can probe (this means, all functions except those with > +__kprobes/nokprobe_inline annotation and those marked NOKPROBE_SYMBOL). > +Unlike the Tracepoint based event, this can be added and removed > dynamically, on the fly. > > To enable this feature, build your kernel with CONFIG_KPROBE_EVENTS=y. > -- > 2.11.1 > -- Masami Hiramatsu