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=-0.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_HIGH, UNWANTED_LANGUAGE_BODY,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 4E1E7C43334 for ; Wed, 5 Sep 2018 22:08:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 04FB420652 for ; Wed, 5 Sep 2018 22:08:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="orPnofRl" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 04FB420652 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 S1728636AbeIFCk7 (ORCPT ); Wed, 5 Sep 2018 22:40:59 -0400 Received: from mail.kernel.org ([198.145.29.99]:55606 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728010AbeIFCk2 (ORCPT ); Wed, 5 Sep 2018 22:40:28 -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 93B7420857; Wed, 5 Sep 2018 22:08:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1536185296; bh=z3CXMX21k8mfpJw5BCQrJBGAoSBI/K7e5Ya5G8gJ9SQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=orPnofRln8+OcIhlEZZqD5/9PMxAyRCNSVe+sORcLyySaQxSaymw7t+D1WJQHSb5g pkGLfLEDdgN47ZGgz9j8CTFysd1mePudWADXcqOEpLsU8rKUe/0/fCJMVkLt6L/Bp+ J7HYM1IhpemjxxlxI44m6pCS1lrHk2h0w3FwH1hg= 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 73/77] perf trace: Introduce syscall__augmented_args() method Date: Wed, 5 Sep 2018 19:04:36 -0300 Message-Id: <20180905220440.20256-74-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 That will be used by trace__sys_enter when we start combining the augmented syscalls:sys_enter_FOO + syscalls:sys_exit_FOO. Cc: Adrian Hunter Cc: David Ahern Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Link: https://lkml.kernel.org/n/tip-iiseo3s0qbf9i3rzn8k597bv@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-trace.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index c106189f4066..12356deb6046 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -1677,6 +1677,17 @@ static int trace__fprintf_sample(struct trace *trace, struct perf_evsel *evsel, return printed; } +static void *syscall__augmented_args(struct syscall *sc, struct perf_sample *sample, int *augmented_args_size) +{ + void *augmented_args = NULL; + + *augmented_args_size = sample->raw_size - sc->args_size; + if (*augmented_args_size > 0) + augmented_args = sample->raw_data + sc->args_size; + + return augmented_args; +} + static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel, union perf_event *event __maybe_unused, struct perf_sample *sample) @@ -1762,10 +1773,7 @@ static int trace__fprintf_sys_enter(struct trace *trace, struct perf_evsel *evse goto out_put; args = perf_evsel__sc_tp_ptr(evsel, args, sample); - augmented_args_size = sample->raw_size - sc->args_size; - if (augmented_args_size > 0) - augmented_args = sample->raw_data + sc->args_size; - + augmented_args = syscall__augmented_args(sc, sample, &augmented_args_size); syscall__scnprintf_args(sc, msg, sizeof(msg), args, augmented_args, augmented_args_size, trace, thread); fprintf(trace->output, "%s", msg); err = 0; -- 2.14.4