From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756267AbaAWATe (ORCPT ); Wed, 22 Jan 2014 19:19:34 -0500 Received: from lgeamrelo01.lge.com ([156.147.1.125]:57768 "EHLO LGEAMRELO01.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756009AbaAWAOO (ORCPT ); Wed, 22 Jan 2014 19:14:14 -0500 X-AuditID: 9c93017d-b7b51ae000000e33-58-52e05ed04f53 From: Namhyung Kim To: Arnaldo Carvalho de Melo Cc: Peter Zijlstra , Ingo Molnar , Paul Mackerras , Namhyung Kim , LKML , Arun Sharma , Jiri Olsa , Rodrigo Campos , Andi Kleen , Frederic Weisbecker Subject: [PATCH 07/21] perf callchain: Add callchain_cursor_snapshot() Date: Thu, 23 Jan 2014 09:13:51 +0900 Message-Id: <1390436045-16830-8-git-send-email-namhyung@kernel.org> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1390436045-16830-1-git-send-email-namhyung@kernel.org> References: <1390436045-16830-1-git-send-email-namhyung@kernel.org> X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The callchain_cursor_snapshot() is for saving current status of the callchain. It'll be used to accumulate callchain information for each node. Tested-by: Arun Sharma Cc: Frederic Weisbecker Signed-off-by: Namhyung Kim --- tools/perf/util/callchain.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h index 66faae21370d..bbd63dfbe112 100644 --- a/tools/perf/util/callchain.h +++ b/tools/perf/util/callchain.h @@ -159,4 +159,13 @@ int fill_callchain_info(struct addr_location *al, struct callchain_cursor_node * bool hide_unresolved); extern const char record_callchain_help[]; + +static inline void callchain_cursor_snapshot(struct callchain_cursor *dest, + struct callchain_cursor *src) +{ + *dest = *src; + + dest->first = src->curr; + dest->nr -= src->pos; +} #endif /* __PERF_CALLCHAIN_H */ -- 1.7.11.7