From patchwork Tue Jan 15 18:53:48 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Song Liu X-Patchwork-Id: 1025366 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=fb.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=fb.com header.i=@fb.com header.b="Izjhe7a9"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43fKHw6d3cz9sCr for ; Wed, 16 Jan 2019 05:54:04 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388993AbfAOSyE (ORCPT ); Tue, 15 Jan 2019 13:54:04 -0500 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:38778 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388891AbfAOSyC (ORCPT ); Tue, 15 Jan 2019 13:54:02 -0500 Received: from pps.filterd (m0044012.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x0FIoQQX005014 for ; Tue, 15 Jan 2019 10:54:01 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=facebook; bh=kdO5zTMPU1m+l/3mQXDyuFYU8UNAO443wF1Vn9fwgVo=; b=Izjhe7a9ma9kZ6MPUIA8tvDngLjyL86XJKtJ8OKdOGfhhsZwKTWveocXc7OntYqStnrS CwO0lO3jgguKmpgkWf9yV97xWRDymofN+DEbtEbdO0SMu7nZmdGHY7ACdjp+h6QxZMbX vGFY/Gm89gCKsn2ESZxhzgG0TkfO0GkbXgI= Received: from maileast.thefacebook.com ([199.201.65.23]) by mx0a-00082601.pphosted.com with ESMTP id 2q1k4drh7h-7 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Tue, 15 Jan 2019 10:54:01 -0800 Received: from mx-out.facebook.com (2620:10d:c0a1:3::13) by mail.thefacebook.com (2620:10d:c021:18::176) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA) id 15.1.1531.3; Tue, 15 Jan 2019 10:53:56 -0800 Received: by devbig006.ftw2.facebook.com (Postfix, from userid 4523) id CD82762E102C; Tue, 15 Jan 2019 10:53:51 -0800 (PST) Smtp-Origin-Hostprefix: devbig From: Song Liu Smtp-Origin-Hostname: devbig006.ftw2.facebook.com To: , CC: Arnaldo Carvalho de Melo , , , , , , , Song Liu Smtp-Origin-Cluster: ftw2c04 Subject: [PATCH v8 perf, bpf-next 8/9] perf top: Synthesize BPF events for pre-existing loaded BPF programs Date: Tue, 15 Jan 2019 10:53:48 -0800 Message-ID: <20190115185349.1191609-9-songliubraving@fb.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190115185349.1191609-1-songliubraving@fb.com> References: <20190115185349.1191609-1-songliubraving@fb.com> X-FB-Internal: Safe MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-01-15_06:, , signatures=0 X-Proofpoint-Spam-Reason: safe X-FB-Internal: Safe Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Arnaldo Carvalho de Melo So that we can resolve symbols and map names. Cc: Song Liu Cc: Alexei Starovoitov Cc: Daniel Borkmann Cc: David Ahern Cc: Peter Zijlstra Cc: kernel-team@fb.com Cc: netdev@vger.kernel.org Link: https://lkml.kernel.org/n/tip-h3loibff6htedj43q7uinon0@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Song Liu --- tools/perf/builtin-top.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index fe3ecfb2e64b..62055e6a72ae 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -22,6 +22,7 @@ #include "perf.h" #include "util/annotate.h" +#include "util/bpf-event.h" #include "util/config.h" #include "util/color.h" #include "util/drv_configs.h" @@ -1220,6 +1221,12 @@ static int __cmd_top(struct perf_top *top) init_process_thread(top); + ret = perf_event__synthesize_bpf_events(&top->tool, perf_event__process, + &top->session->machines.host, + &top->record_opts); + if (ret < 0) + pr_warning("Couldn't synthesize bpf events.\n"); + machine__synthesize_threads(&top->session->machines.host, &opts->target, top->evlist->threads, false, top->nr_threads_synthesize);