From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752800AbbCXOAu (ORCPT ); Tue, 24 Mar 2015 10:00:50 -0400 Received: from mail.kernel.org ([198.145.29.136]:44723 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752248AbbCXN71 (ORCPT ); Tue, 24 Mar 2015 09:59:27 -0400 Message-Id: <20150324135923.650983637@goodmis.org> User-Agent: quilt/0.61-1 Date: Tue, 24 Mar 2015 09:57:56 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Arnaldo Carvalho de Melo , Ingo Molnar , Jiri Olsa , Namhyung Kim , Andrew Morton Subject: [PATCH 8/9] tools lib traceevent: Add way to find sub buffer boundary References: <20150324135748.506437888@goodmis.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Disposition: inline; filename=0008-tools-lib-traceevent-Add-way-to-find-sub-buffer-boun.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Steven Rostedt (Red Hat)" For debugging purposes, it may be helpful for the kbuffer library to flag when crossing a sub buffer. Signed-off-by: Steven Rostedt --- tools/lib/traceevent/kbuffer-parse.c | 11 +++++++++++ tools/lib/traceevent/kbuffer.h | 1 + 2 files changed, 12 insertions(+) diff --git a/tools/lib/traceevent/kbuffer-parse.c b/tools/lib/traceevent/kbuffer-parse.c index deb3569ab004..3bcada3ae05a 100644 --- a/tools/lib/traceevent/kbuffer-parse.c +++ b/tools/lib/traceevent/kbuffer-parse.c @@ -729,3 +729,14 @@ void kbuffer_set_old_format(struct kbuffer *kbuf) kbuf->next_event = __old_next_event; } + +/** + * kbuffer_start_of_data - return offset of where data starts on subbuffer + * @kbuf: The kbuffer + * + * Returns the location on the subbuffer where the data starts. + */ +int kbuffer_start_of_data(struct kbuffer *kbuf) +{ + return kbuf->start; +} diff --git a/tools/lib/traceevent/kbuffer.h b/tools/lib/traceevent/kbuffer.h index c831f64b17a0..03dce757553f 100644 --- a/tools/lib/traceevent/kbuffer.h +++ b/tools/lib/traceevent/kbuffer.h @@ -63,5 +63,6 @@ int kbuffer_missed_events(struct kbuffer *kbuf); int kbuffer_subbuffer_size(struct kbuffer *kbuf); void kbuffer_set_old_format(struct kbuffer *kbuf); +int kbuffer_start_of_data(struct kbuffer *kbuf); #endif /* _K_BUFFER_H */ -- 2.1.4