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=-3.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_HIGH,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 A705FC433F5 for ; Wed, 5 Sep 2018 22:05:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 291BC2083E for ; Wed, 5 Sep 2018 22:05:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="mumjldrC" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 291BC2083E 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 S1728303AbeIFChu (ORCPT ); Wed, 5 Sep 2018 22:37:50 -0400 Received: from mail.kernel.org ([198.145.29.99]:52152 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727518AbeIFCht (ORCPT ); Wed, 5 Sep 2018 22:37:49 -0400 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 62F1F20652; Wed, 5 Sep 2018 22:05:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1536185138; bh=RHleLS95RrIRFygpB6++04e/XDsiLDBxXRgxSKtWL8c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mumjldrCGKWMFSw2GiSE8+ns154yd9cebs4hq30MAcfkCkC4siyKchhIxgKuX/mNk o6gv6jemTz0cTuE1+CUTLyMYF/3CBQCzP/TGujR+lMKkBFsQbXQsDsWQolgxAuYp4N a4ZjjzkhG7GlZ67oE7eV9BGfafNadkzATPnGZZT0= 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 17/77] perf trace augmented_syscalls: Augment sendto's 'addr' arg Date: Wed, 5 Sep 2018 19:03:40 -0300 Message-Id: <20180905220440.20256-18-acme@kernel.org> X-Mailer: git-send-email 2.14.4 In-Reply-To: <20180905220440.20256-1-acme@kernel.org> References: <20180905220440.20256-1-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 Its a 'struct sockaddr' pointer, augment it with the same beautifier as for 'connect' and 'bind', that all receive from userspace that pointer. Doing it in the other direction remains to be done, hooking at the syscalls:sys_exit_{accept4?,recvmsg} tracepoints somehow. Cc: Adrian Hunter Cc: David Ahern Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Link: https://lkml.kernel.org/n/tip-k2eu68lsphnm2fthc32gq76c@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-trace.c | 3 ++- tools/perf/examples/bpf/augmented_syscalls.c | 13 +++++++++++++ 2 files changed, 15 insertions(+), 1 deletion(-) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 537bb30895df..759d14e3fe6b 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -795,7 +795,8 @@ static struct syscall_fmt { { .name = "sendmsg", .arg = { [2] = { .scnprintf = SCA_MSG_FLAGS, /* flags */ }, }, }, { .name = "sendto", - .arg = { [3] = { .scnprintf = SCA_MSG_FLAGS, /* flags */ }, }, }, + .arg = { [3] = { .scnprintf = SCA_MSG_FLAGS, /* flags */ }, + [4] = { .scnprintf = SCA_SOCKADDR, /* addr */ }, }, }, { .name = "set_tid_address", .errpid = true, }, { .name = "setitimer", .arg = { [0] = STRARRAY(which, itimers), }, }, diff --git a/tools/perf/examples/bpf/augmented_syscalls.c b/tools/perf/examples/bpf/augmented_syscalls.c index 71edb7ad8698..be06d2c9e8c9 100644 --- a/tools/perf/examples/bpf/augmented_syscalls.c +++ b/tools/perf/examples/bpf/augmented_syscalls.c @@ -142,4 +142,17 @@ struct syscall_enter_connect_args { augmented_sockaddr_syscall_enter(connect); +struct syscall_enter_sendto_args { + unsigned long long common_tp_fields; + long syscall_nr; + long fd; + void *buff; + long len; + unsigned long flags; + struct sockaddr *addr_ptr; + long addr_len; +}; + +augmented_sockaddr_syscall_enter(sendto); + license(GPL); -- 2.14.4