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=-15.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,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 3D9A0C282C0 for ; Fri, 25 Jan 2019 23:20:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E15EF20844 for ; Fri, 25 Jan 2019 23:20:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548458401; bh=bXwJ1WR3Bde9RKJAP6OQnsgxsi8OmI2lBLwxv1OM/dU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=dTWOnmACrpBZqatDeuc3ucsI105+yAdoa+AwUeV9F3QwYXfFahB6hp+0mnrd1u21r RRrriV6qQVc+7yByxhs8kADWlgnyJF2tjs+JtodprfvXuLY/pqg65Nh1yPbb5Zwc+d ttHAkbXiKOy8aHocKH9mWPQWA6utNWfQXX3mLeD0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730034AbfAYXT7 (ORCPT ); Fri, 25 Jan 2019 18:19:59 -0500 Received: from mail.kernel.org ([198.145.29.99]:48358 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730005AbfAYXTy (ORCPT ); Fri, 25 Jan 2019 18:19:54 -0500 Received: from quaco.cust.in.nbox.cz (unknown [95.82.135.149]) (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 E843C218D0; Fri, 25 Jan 2019 23:19:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548458393; bh=bXwJ1WR3Bde9RKJAP6OQnsgxsi8OmI2lBLwxv1OM/dU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=H1NJXt1zyRyQJ6+XH8t663Mj3dM9uOqQec+bviDeLD4r92LUf1icCUrkM6V4DQZj3 yJYdiW7vMU5vyOXqY1wq8hriocWrx8sz59vM1gt+5ouvscLkAMwWPRf+K+GPBcyttw fv0r5LoSGtFnahQo0JOdSkNi//J+76IF7nbb3FGM= From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Adrian Hunter , Jiri Olsa , =?UTF-8?q?Luis=20Cl=C3=A1udio=20Gon=C3=A7alves?= , Namhyung Kim , Wang Nan Subject: [PATCH 28/29] perf bpf examples: Convert etcsnoop to use bpf_map() Date: Sat, 26 Jan 2019 00:18:42 +0100 Message-Id: <20190125231843.2895-29-acme@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190125231843.2895-1-acme@kernel.org> References: <20190125231843.2895-1-acme@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arnaldo Carvalho de Melo Making the code more compact, end result is the same: # trace -e /home/acme/git/perf/tools/perf/examples/bpf/etcsnoop.c 0.000 ( ): sed/7385 openat(dfd: CWD, filename: "/etc/ld.so.cache", flags: RDONLY|CLOEXEC) ... 2727.723 ( ): cat/7389 openat(dfd: CWD, filename: "/etc/ld.so.cache", flags: RDONLY|CLOEXEC) ... 2728.543 ( ): cat/7389 openat(dfd: CWD, filename: "/etc/passwd") ... ^C Cc: Adrian Hunter Cc: Jiri Olsa Cc: Luis Cláudio Gonçalves Cc: Namhyung Kim Cc: Wang Nan Link: https://lkml.kernel.org/n/tip-znhgz24p0daux2kay200ovc1@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/examples/bpf/etcsnoop.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/tools/perf/examples/bpf/etcsnoop.c b/tools/perf/examples/bpf/etcsnoop.c index 550e69c2e8d1..e81b535346c0 100644 --- a/tools/perf/examples/bpf/etcsnoop.c +++ b/tools/perf/examples/bpf/etcsnoop.c @@ -21,12 +21,8 @@ #include -struct bpf_map SEC("maps") __augmented_syscalls__ = { - .type = BPF_MAP_TYPE_PERF_EVENT_ARRAY, - .key_size = sizeof(int), - .value_size = sizeof(u32), - .max_entries = __NR_CPUS__, -}; +/* bpf-output associated map */ +bpf_map(__augmented_syscalls__, PERF_EVENT_ARRAY, int, u32, __NR_CPUS__); struct augmented_filename { int size; -- 2.20.1