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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 197DBC43381 for ; Thu, 21 Mar 2019 18:54:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E455921925 for ; Thu, 21 Mar 2019 18:54:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1553194461; bh=7gaG9JPq6za4P8+XC/VSDDJEVErVw0eYY2v+eoNkXEw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=jmZIXS6/w+vvUKDlX+7aCp+wXAIVh5WtTTx/H3SFKz4FYwS0nZCcr8TrXac/x6UQV C5kZKw/SrflhQVMYZshq/VJz64zLI8rbnWsGuqs+yQ4dbzl5bYH2HDxwWI171EgD3Y CSFoKdba6QPfw1ymfTQiebqGAmllw+gv6Jd/cfkk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728903AbfCUSyT (ORCPT ); Thu, 21 Mar 2019 14:54:19 -0400 Received: from mail.kernel.org ([198.145.29.99]:46006 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728917AbfCUSyR (ORCPT ); Thu, 21 Mar 2019 14:54:17 -0400 Received: from quaco.ghostprotocols.net (unknown [190.15.121.82]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 76BC221873; Thu, 21 Mar 2019 18:54:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1553194456; bh=7gaG9JPq6za4P8+XC/VSDDJEVErVw0eYY2v+eoNkXEw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SfvCZz1iYJHWuFOk3tz6dw7iXJpVSX25RK+K4ZSmdkMyAlSbP5o4T1jBSyMsj5O4N S6oxnokAT2gNrKFKQ873Mesg1A/1YBb4aJszyT9x2Dn+yWiaOq0Nh4Ql/Qbski3dfL cuv5Y+gDe5S51O8tRmD33XpII2hBrxSsFJ99fxD8= From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Song Liu , Alexei Starovoitov , Daniel Borkmann , kernel-team@fb.com, Peter Zijlstra , Stanislav Fomichev , Arnaldo Carvalho de Melo Subject: [PATCH 26/44] perf record: Replace option --bpf-event with --no-bpf-event Date: Thu, 21 Mar 2019 15:51:24 -0300 Message-Id: <20190321185142.11441-27-acme@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190321185142.11441-1-acme@kernel.org> References: <20190321185142.11441-1-acme@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Song Liu Currently, monitoring of BPF programs through bpf_event is off by default for 'perf record'. To turn it on, the user need to use option "--bpf-event". As BPF gets wider adoption in different subsystems, this option becomes inconvenient. This patch makes bpf_event on by default, and adds option "--no-bpf-event" to turn it off. Since option --bpf-event is not released yet, it is safe to remove it. Signed-off-by: Song Liu Reviewed-by: Jiri Olsa Cc: Alexei Starovoitov Cc: Daniel Borkmann Cc: kernel-team@fb.com Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Stanislav Fomichev Link: http://lkml.kernel.org/r/20190312053051.2690567-2-songliubraving@fb.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-record.c | 2 +- tools/perf/perf.h | 2 +- tools/perf/util/bpf-event.c | 2 +- tools/perf/util/evsel.c | 2 +- 4 files changed, 4 insertions(+), 4 deletions(-) diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index e7144a1c1c82..f29874192d3e 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -1891,7 +1891,7 @@ static struct option __record_options[] = { OPT_BOOLEAN(0, "tail-synthesize", &record.opts.tail_synthesize, "synthesize non-sample events at the end of output"), OPT_BOOLEAN(0, "overwrite", &record.opts.overwrite, "use overwrite mode"), - OPT_BOOLEAN(0, "bpf-event", &record.opts.bpf_event, "record bpf events"), + OPT_BOOLEAN(0, "no-bpf-event", &record.opts.no_bpf_event, "record bpf events"), OPT_BOOLEAN(0, "strict-freq", &record.opts.strict_freq, "Fail if the specified frequency can't be used"), OPT_CALLBACK('F', "freq", &record.opts, "freq or 'max'", diff --git a/tools/perf/perf.h b/tools/perf/perf.h index b120e547ddc7..c59743def8d3 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -66,7 +66,7 @@ struct record_opts { bool ignore_missing_thread; bool strict_freq; bool sample_id; - bool bpf_event; + bool no_bpf_event; unsigned int freq; unsigned int mmap_pages; unsigned int auxtrace_mmap_pages; diff --git a/tools/perf/util/bpf-event.c b/tools/perf/util/bpf-event.c index 028c8ec1f62a..ea012b735a37 100644 --- a/tools/perf/util/bpf-event.c +++ b/tools/perf/util/bpf-event.c @@ -187,7 +187,7 @@ static int perf_event__synthesize_one_bpf_prog(struct perf_tool *tool, } /* Synthesize PERF_RECORD_BPF_EVENT */ - if (opts->bpf_event) { + if (!opts->no_bpf_event) { *bpf_event = (struct bpf_event){ .header = { .type = PERF_RECORD_BPF_EVENT, diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 1a2023da5d9c..7835e05f0c0a 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -1036,7 +1036,7 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts, attr->mmap2 = track && !perf_missing_features.mmap2; attr->comm = track; attr->ksymbol = track && !perf_missing_features.ksymbol; - attr->bpf_event = track && opts->bpf_event && + attr->bpf_event = track && !opts->no_bpf_event && !perf_missing_features.bpf_event; if (opts->record_namespaces) -- 2.20.1