From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6A416171083; Tue, 11 Jun 2024 05:24:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718083447; cv=none; b=VQS/oF740ObHbPJX3DcbY+AcGE1dAFrr5oB44tMzMCSkCve2iVhcYQyICqueha29nA5T04jQ8ImhDfq7PdOyJclaGazjBtuQee+7JGUYYb9xpBaF9hprqyYXZUSf7tvw3MHzw7WWmgrcCMfLv5HKX9ob17B6+vezCYI50A6yj7s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718083447; c=relaxed/simple; bh=El3YDeqjczhekPR1W+uyDSK2dsNIh5KkIWwOCQU6c88=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QNzmaRQNVgBXP/obVs3d94usDy8N3Fh3HVFeR4qRgIbPGoXTX5dO6iZaA2jA34YGnMYaaJ9Efb3ZTXVjUmsjEWbsh5djH2NZxwdhS/8psVdfgLlmvcFYBuwSdT1hqTp4BfSUEaTp/iegMZDELN3IABJcBxX54cvzfjUw/OOL7vY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=nAFD7Oet; arc=none smtp.client-ip=192.198.163.17 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="nAFD7Oet" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1718083446; x=1749619446; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=El3YDeqjczhekPR1W+uyDSK2dsNIh5KkIWwOCQU6c88=; b=nAFD7Oetu7Dm5ajokMMWV9MMq2R4J/Kteq2AjSUFOzOp1mGRJ1dcM4U4 SpO8s1Pi79ZfYpY/vIJaaqtZ5IGVZ/9aL8lWoU2fRwLQ81cp9hcznNoHk NY+S//Xay7SAhXyEnBJydge0GjAuDu0MYS9t3VHTJeKWVeySTXiCig6UG pyysF1wdhFiNDCWvMZzCK1JsEIpaPRE3r91oAQuaAzIDBVJARHVR4HC1s Aw/qoVwdQ3JtHx3othkkFhVNkgdS6qyyp5yCjLBOXAJPWL0jhpOl9k1iM eY6vb61qPNyaWhVyW0wYJGh1X2OIdYd+v9tjSMNkFVZP76q6IgZJU2udm g==; X-CSE-ConnectionGUID: 81SOgoYiS8iQMZGXuOLPvQ== X-CSE-MsgGUID: zBPGSJ5sQ0OX3ftaMdOqlA== X-IronPort-AV: E=McAfee;i="6600,9927,11099"; a="14651129" X-IronPort-AV: E=Sophos;i="6.08,229,1712646000"; d="scan'208";a="14651129" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jun 2024 22:24:03 -0700 X-CSE-ConnectionGUID: D3ikHP1PRfORkEaAFvxAAA== X-CSE-MsgGUID: d8AeygDfR1esrYkukERD2w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,229,1712646000"; d="scan'208";a="44441192" Received: from fl31ca102ks0602.deacluster.intel.com (HELO gnr-bkc.deacluster.intel.com) ([10.75.133.163]) by orviesa004.jf.intel.com with ESMTP; 10 Jun 2024 22:24:04 -0700 From: weilin.wang@intel.com To: weilin.wang@intel.com, Namhyung Kim , Ian Rogers , Arnaldo Carvalho de Melo , Peter Zijlstra , Ingo Molnar , Alexander Shishkin , Jiri Olsa , Adrian Hunter , Kan Liang Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Perry Taylor , Samantha Alt , Caleb Biggers Subject: [RFC PATCH v12 2/8] perf data: Allow to use given fd in data->file.fd Date: Tue, 11 Jun 2024 01:23:21 -0400 Message-ID: <20240611052331.85715-3-weilin.wang@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240611052331.85715-1-weilin.wang@intel.com> References: <20240611052331.85715-1-weilin.wang@intel.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Weilin Wang When in PIPE mode, allow to use fd dynamically opened and asigned to data->file.fd instead of STDIN_FILENO or STDOUT_FILENO. Signed-off-by: Weilin Wang --- tools/perf/util/data.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c index 08c4bfbd817f..98661ede2a73 100644 --- a/tools/perf/util/data.c +++ b/tools/perf/util/data.c @@ -204,7 +204,12 @@ static bool check_pipe(struct perf_data *data) data->file.fd = fd; data->use_stdio = false; } - } else { + + /* + * When is_pipe and data->file.fd is given, use given fd + * instead of STDIN_FILENO or STDOUT_FILENO + */ + } else if (data->file.fd <= 0) { data->file.fd = fd; } } -- 2.43.0