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=-15.6 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 3E2FBC43441 for ; Thu, 22 Nov 2018 03:36:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0626720821 for ; Thu, 22 Nov 2018 03:36:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="rajhGuUc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0626720821 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404200AbeKVON4 (ORCPT ); Thu, 22 Nov 2018 09:13:56 -0500 Received: from mail.kernel.org ([198.145.29.99]:55254 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730407AbeKVONx (ORCPT ); Thu, 22 Nov 2018 09:13:53 -0500 Received: from jouet.infradead.org (unknown [179.97.41.186]) (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 8837B20878; Thu, 22 Nov 2018 03:36:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1542857787; bh=VKrJsk0wqStekzwkSud8oafyoCEB9b3bndImewGBYyI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rajhGuUcKtLqRTSV3KdjCyOyTlHdDYIgoxkR+ece+dIyJ37eoUsuvoDn5azbtg81o SE06Z/MVcgsHGWdDBXF+mEoBcWEZA5l2i/Fv5xoeDtI61FTx5uZtcyLKFY3upnWiqB UAtn4B8rn5I9k7WND+3sHbS/RfSwG/DtVFNgXHXk= 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 , David Ahern , Jiri Olsa , Namhyung Kim , Wang Nan Subject: [PATCH 01/28] perf bpf: Add unistd.h to the headers accessible to bpf proggies Date: Thu, 22 Nov 2018 00:35:44 -0300 Message-Id: <20181122033611.15890-2-acme@kernel.org> X-Mailer: git-send-email 2.14.5 In-Reply-To: <20181122033611.15890-1-acme@kernel.org> References: <20181122033611.15890-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arnaldo Carvalho de Melo Start with a getpid() function wrapping BPF_FUNC_get_current_pid_tgid, idea is to mimic the system headers. Cc: Adrian Hunter Cc: David Ahern Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Link: https://lkml.kernel.org/n/tip-zo8hv22onidep7tm785dzxfk@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/include/bpf/unistd.h | 10 ++++++++++ 1 file changed, 10 insertions(+) create mode 100644 tools/perf/include/bpf/unistd.h diff --git a/tools/perf/include/bpf/unistd.h b/tools/perf/include/bpf/unistd.h new file mode 100644 index 000000000000..ca7877f9a976 --- /dev/null +++ b/tools/perf/include/bpf/unistd.h @@ -0,0 +1,10 @@ +// SPDX-License-Identifier: LGPL-2.1 + +#include + +static int (*bpf_get_current_pid_tgid)(void) = (void *)BPF_FUNC_get_current_pid_tgid; + +static pid_t getpid(void) +{ + return bpf_get_current_pid_tgid(); +} -- 2.14.5