From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.13]) (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 F038015FCF2; Wed, 29 May 2024 06:43:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.13 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716965018; cv=none; b=VnUQgBSSCA4XNY+yH3h2X3/7FYx5KUdjLCTmVvIvQIPG02QEvjVcIdkJ5ErqvTWWt6Npm+RJ9+nhaYClJW5Sn8hwa0MVL7nx5M5kM0t06L01iZ/lXMyoz0GeIjOGvl4Dc3h0ixIXblDJNeEKm9zuLOw4vXj9LTd6jSlyZekDyqw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716965018; c=relaxed/simple; bh=El3YDeqjczhekPR1W+uyDSK2dsNIh5KkIWwOCQU6c88=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DQbKETVJfWDM+hNXLe1ub5wBC2QxSm11D9+J2DcK69IBbPcB7rOZLnM3x3BBD+ou5x7CRAUQmIBCoE6Aj75j+DhSN615eSj8YwwC03Psrx2StwgeuJDubZ7EqvzFHKqgAY5NJ0AR6PG6ViTibVt/YSsOwCx5W1hXViY4yuP9Gek= 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=YXI1EMXY; arc=none smtp.client-ip=192.198.163.13 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="YXI1EMXY" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1716965017; x=1748501017; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=El3YDeqjczhekPR1W+uyDSK2dsNIh5KkIWwOCQU6c88=; b=YXI1EMXYOcQbilH9zYUZ0mGUdprAm7vCKXEibCip3zPKrGATc06mlBl1 kuQ7GXsAVbKkQJUJZTTAbyxKnEayrk50NB8FbFi+GIutxApw1dZx9BIhr keSk2oU96S6EKslzXIunae8h9sxTx5HXeT0jsVZcbQ/PXK5kSKTMGc0eB t2fCOzgA1V+xVT88O3JZWckAQta4cp0iF0OrVh9ekz/T00uiXrZO+Lxhg HPh6sx3J/WcZFNE0tO1CGrIED2P/cciFf22v+rNoAZP7psbXFBPZskMln 3ql731icMvnVVKr1J7VLUXX8kzc8Py2UKMqJe2Rou/5NRZROVkeXCss4+ g==; X-CSE-ConnectionGUID: 217vS8sQS0mNBNDcG8WfYQ== X-CSE-MsgGUID: 81v9E6gKSdShM5wP+Z2fWg== X-IronPort-AV: E=McAfee;i="6600,9927,11085"; a="16297986" X-IronPort-AV: E=Sophos;i="6.08,197,1712646000"; d="scan'208";a="16297986" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 May 2024 23:43:35 -0700 X-CSE-ConnectionGUID: 9QiraeXmTPKOYrvmOit7UA== X-CSE-MsgGUID: NlvS2dNQQhiP0+TOe+wGtQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,197,1712646000"; d="scan'208";a="39759266" Received: from fl31ca102ks0602.deacluster.intel.com (HELO gnr-bkc.deacluster.intel.com) ([10.75.133.163]) by fmviesa005.fm.intel.com with ESMTP; 28 May 2024 23:43:34 -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 v10 2/8] perf data: Allow to use given fd in data->file.fd Date: Wed, 29 May 2024 02:43:18 -0400 Message-ID: <20240529064327.4080674-3-weilin.wang@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240529064327.4080674-1-weilin.wang@intel.com> References: <20240529064327.4080674-1-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