From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EEAADECE58C for ; Tue, 15 Oct 2019 05:36:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CE3DF2086A for ; Tue, 15 Oct 2019 05:36:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727508AbfJOFgb (ORCPT ); Tue, 15 Oct 2019 01:36:31 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:41903 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728254AbfJOFbv (ORCPT ); Tue, 15 Oct 2019 01:31:51 -0400 Received: from [5.158.153.53] (helo=tip-bot2.lab.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1iKFQs-00005L-6N; Tue, 15 Oct 2019 07:31:42 +0200 Received: from [127.0.1.1] (localhost [IPv6:::1]) by tip-bot2.lab.linutronix.de (Postfix) with ESMTP id DF2961C0494; Tue, 15 Oct 2019 07:31:38 +0200 (CEST) Date: Tue, 15 Oct 2019 05:31:38 -0000 From: "tip-bot2 for Jiri Olsa" Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: perf/core] libperf: Introduce perf_evlist__mmap_ops() Cc: Arnaldo Carvalho de Melo , Alexander Shishkin , Michael Petlan , Namhyung Kim , Peter Zijlstra , Jiri Olsa , Ingo Molnar , Borislav Petkov , linux-kernel@vger.kernel.org In-Reply-To: <20191007125344.14268-15-jolsa@kernel.org> References: <20191007125344.14268-15-jolsa@kernel.org> MIME-Version: 1.0 Message-ID: <157111749880.12254.1536799430986791776.tip-bot2@tip-bot2> X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following commit has been merged into the perf/core branch of tip: Commit-ID: 0b5ea10d4c312f5b17af9d09187efb9418517bec Gitweb: https://git.kernel.org/tip/0b5ea10d4c312f5b17af9d09187efb9418517bec Author: Jiri Olsa AuthorDate: Mon, 07 Oct 2019 14:53:22 +02:00 Committer: Arnaldo Carvalho de Melo CommitterDate: Thu, 10 Oct 2019 12:18:00 -03:00 libperf: Introduce perf_evlist__mmap_ops() To be able to pass specific callbacks to evlist's mmap. There will be a specific call to this function from perf's evlist__mmap() and libperf's perf_evlist__mmap() functions in following changes. Signed-off-by: Arnaldo Carvalho de Melo Cc: Alexander Shishkin Cc: Michael Petlan Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lore.kernel.org/lkml/20191007125344.14268-15-jolsa@kernel.org Signed-off-by: Jiri Olsa --- tools/perf/lib/evlist.c | 24 +++++++++++++++++------ tools/perf/lib/include/internal/evlist.h | 8 ++++++++- 2 files changed, 26 insertions(+), 6 deletions(-) diff --git a/tools/perf/lib/evlist.c b/tools/perf/lib/evlist.c index 250ad57..88d63f5 100644 --- a/tools/perf/lib/evlist.c +++ b/tools/perf/lib/evlist.c @@ -472,12 +472,16 @@ out_unmap: return -1; } -int perf_evlist__mmap(struct perf_evlist *evlist, int pages) +int perf_evlist__mmap_ops(struct perf_evlist *evlist, + struct perf_evlist_mmap_ops *ops, + struct perf_mmap_param *mp) { struct perf_evsel *evsel; const struct perf_cpu_map *cpus = evlist->cpus; const struct perf_thread_map *threads = evlist->threads; - struct perf_mmap_param mp; + + if (!ops) + return -EINVAL; if (!evlist->mmap) evlist->mmap = perf_evlist__alloc_mmap(evlist, false); @@ -491,13 +495,21 @@ int perf_evlist__mmap(struct perf_evlist *evlist, int pages) return -ENOMEM; } + if (perf_cpu_map__empty(cpus)) + return mmap_per_thread(evlist, mp); + + return mmap_per_cpu(evlist, mp); +} + +int perf_evlist__mmap(struct perf_evlist *evlist, int pages) +{ + struct perf_mmap_param mp; + struct perf_evlist_mmap_ops ops; + evlist->mmap_len = (pages + 1) * page_size; mp.mask = evlist->mmap_len - page_size - 1; - if (perf_cpu_map__empty(cpus)) - return mmap_per_thread(evlist, &mp); - - return mmap_per_cpu(evlist, &mp); + return perf_evlist__mmap_ops(evlist, &ops, &mp); } void perf_evlist__munmap(struct perf_evlist *evlist) diff --git a/tools/perf/lib/include/internal/evlist.h b/tools/perf/lib/include/internal/evlist.h index 4438a19..e5f092f 100644 --- a/tools/perf/lib/include/internal/evlist.h +++ b/tools/perf/lib/include/internal/evlist.h @@ -11,6 +11,7 @@ struct perf_cpu_map; struct perf_thread_map; +struct perf_mmap_param; struct perf_evlist { struct list_head entries; @@ -26,10 +27,17 @@ struct perf_evlist { struct perf_mmap *mmap_ovw; }; +struct perf_evlist_mmap_ops { +}; + int perf_evlist__alloc_pollfd(struct perf_evlist *evlist); int perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd, void *ptr, short revent); +int perf_evlist__mmap_ops(struct perf_evlist *evlist, + struct perf_evlist_mmap_ops *ops, + struct perf_mmap_param *mp); + /** * __perf_evlist__for_each_entry - iterate thru all the evsels * @list: list_head instance to iterate