From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932345AbaE2EEk (ORCPT ); Thu, 29 May 2014 00:04:40 -0400 Received: from LGEMRELSE6Q.lge.com ([156.147.1.121]:53301 "EHLO lgemrelse6q.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932173AbaE2D6g (ORCPT ); Wed, 28 May 2014 23:58:36 -0400 X-Original-SENDERIP: 10.177.220.181 X-Original-MAILFROM: namhyung@kernel.org From: Namhyung Kim To: Arnaldo Carvalho de Melo , Jiri Olsa Cc: Peter Zijlstra , Ingo Molnar , Paul Mackerras , Namhyung Kim , Namhyung Kim , LKML , David Ahern , Frederic Weisbecker , Andi Kleen , Arun Sharma , Rodrigo Campos , Don Zickus Subject: [PATCH 08/27] perf callchain: Add callchain_cursor_snapshot() Date: Thu, 29 May 2014 12:58:11 +0900 Message-Id: <1401335910-16832-9-git-send-email-namhyung@kernel.org> X-Mailer: git-send-email 1.9.2 In-Reply-To: <1401335910-16832-1-git-send-email-namhyung@kernel.org> References: <1401335910-16832-1-git-send-email-namhyung@kernel.org> 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 Tested-by: Rodrigo Campos Acked-by: Jiri Olsa 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 24a53d562d0a..8f84423a75da 100644 --- a/tools/perf/util/callchain.h +++ b/tools/perf/util/callchain.h @@ -167,4 +167,13 @@ int fill_callchain_info(struct addr_location *al, struct callchain_cursor_node * extern const char record_callchain_help[]; int parse_callchain_report_opt(const char *arg); + +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 */ -- 1.9.2