From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753131AbcGFLhQ (ORCPT ); Wed, 6 Jul 2016 07:37:16 -0400 Received: from mx1.redhat.com ([209.132.183.28]:55658 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751007AbcGFLhN (ORCPT ); Wed, 6 Jul 2016 07:37:13 -0400 Date: Wed, 6 Jul 2016 13:37:10 +0200 From: Jiri Olsa To: Wang Nan Cc: acme@kernel.org, linux-kernel@vger.kernel.org, pi3orama@163.com, lizefan@huawei.com, He Kuang , Arnaldo Carvalho de Melo , Jiri Olsa , Masami Hiramatsu , Namhyung Kim , Nilay Vaish Subject: Re: [PATCH v13 5/8] perf record: Read from overwritable ring buffer Message-ID: <20160706113710.GC26517@krava> References: <1467613209-191781-1-git-send-email-wangnan0@huawei.com> <1467613209-191781-6-git-send-email-wangnan0@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1467613209-191781-6-git-send-email-wangnan0@huawei.com> User-Agent: Mutt/1.6.1 (2016-04-27) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Wed, 06 Jul 2016 11:37:13 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 04, 2016 at 06:20:06AM +0000, Wang Nan wrote: SNIP > @@ -463,6 +488,7 @@ try_again: > > session->evlist = evlist; > perf_session__set_id_hdr_size(session); > + rec->overwrite_evt_state = OVERWRITE_EVT_RUNNING; > out: > return rc; > } > @@ -543,6 +569,79 @@ static struct perf_event_header finished_round_event = { > .type = PERF_RECORD_FINISHED_ROUND, > }; > > +static void > +record__toggle_overwrite_evsels(struct record *rec, > + enum overwrite_evt_state state) > +{ record__toggle_overwrite_evlist might be better name jirka