From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756023AbaAHIrg (ORCPT ); Wed, 8 Jan 2014 03:47:36 -0500 Received: from lgeamrelo01.lge.com ([156.147.1.125]:63883 "EHLO LGEAMRELO01.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755874AbaAHIqq (ORCPT ); Wed, 8 Jan 2014 03:46:46 -0500 X-AuditID: 9c93017d-b7b66ae000006a2a-12-52cd106ffdd0 From: Namhyung Kim To: Arnaldo Carvalho de Melo Cc: Peter Zijlstra , Paul Mackerras , Ingo Molnar , Namhyung Kim , LKML , Arun Sharma , Frederic Weisbecker , Jiri Olsa , Rodrigo Campos Subject: [PATCH 11/28] perf callchain: Add callchain_cursor_snapshot() Date: Wed, 8 Jan 2014 17:46:16 +0900 Message-Id: <1389170793-21926-12-git-send-email-namhyung@kernel.org> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1389170793-21926-1-git-send-email-namhyung@kernel.org> References: <1389170793-21926-1-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. Cc: 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 08b25af9eea1..bad694287cb8 100644 --- a/tools/perf/util/callchain.h +++ b/tools/perf/util/callchain.h @@ -151,4 +151,13 @@ int record_parse_callchain_opt(const struct option *opt, const char *arg, int un int record_callchain_opt(const struct option *opt, const char *arg, int unset); 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