From nobody Fri Dec 19 12:14:48 2025 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) (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 A56B3191F77; Tue, 2 Jul 2024 22:08:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719958088; cv=none; b=l8dCqzDCNb7GSJQZ8aeVxPluTw7ymrFjCdakmB4ukmq30Zt4KiUb4x71B0TBnNOxYlMG9mfalHNxPd/cO1xsx1XM0BkAe/RIh6b/HhcX0lST3EuWRelEu2FyJJg5Wzsize5TyRMePUDRjjfiB23cN5CdLF7HzQiyHxrqoH4YLe8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719958088; c=relaxed/simple; bh=El3YDeqjczhekPR1W+uyDSK2dsNIh5KkIWwOCQU6c88=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=C2KFb/j6AYKdCU/0zdQi1giOL3R0gwdXrYtKf1o00cm93o1hEN9+Jruh0BLL8gFNbQTlvleVlZCFnJK0Z53Ej1CKAlePO8i+BsKilMND6hIuOzwqtcuirpTuqgR0Jna9R5WPpLEfIP5vEJG3cm20TJJsTorXcDMpeeqfRkHDACE= 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=RClkiNmx; arc=none smtp.client-ip=198.175.65.18 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="RClkiNmx" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1719958087; x=1751494087; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=El3YDeqjczhekPR1W+uyDSK2dsNIh5KkIWwOCQU6c88=; b=RClkiNmx9+aHH4FsDd7UtwXKETPsVsWZV1D3rAGhTX/7N4i0kTxQYYHP 271nBbzlIb+AMf3kmH/Ad2ipycDaO4fA2fo6NYhR85KLfNpduLGMY9alY 9MDn6sp4CA8VVTnZHOevRMdSkjoqRN8X+B7vge9AfSc5rjDXLxBnVkWk6 UHISV8eZTiUuU5RJocs3j7GsOoGOSML61+3muoxnVuhTb7faMSX//Vxi4 92dtdmat9F1MaQzPqcAD+D0n0YtGbTNsuTONOvV0VXKIBXrnbtmxh9H/0 mX3Brs4M5Scui5zFJ72lKv4kSsNf4pFIfBUpVTPvYhPksNrZr5tmPqHFF Q==; X-CSE-ConnectionGUID: 9wuB0gpDSOKEtbaStvwtJw== X-CSE-MsgGUID: LoiVZ7K3Qu+KJjj7tB/O2Q== X-IronPort-AV: E=McAfee;i="6700,10204,11121"; a="17296897" X-IronPort-AV: E=Sophos;i="6.09,180,1716274800"; d="scan'208";a="17296897" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Jul 2024 15:08:04 -0700 X-CSE-ConnectionGUID: o/0PvyvhT7uDfgnausskWA== X-CSE-MsgGUID: WDE5P2DGRROiZpELmwDHfQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,180,1716274800"; d="scan'208";a="50888195" Received: from fl31ca102ks0602.deacluster.intel.com (HELO gnr-bkc.deacluster.intel.com) ([10.75.133.163]) by orviesa003.jf.intel.com with ESMTP; 02 Jul 2024 15:08:03 -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 v15 2/8] perf data: Allow to use given fd in data->file.fd Date: Tue, 2 Jul 2024 18:07:49 -0400 Message-ID: <20240702220757.262825-3-weilin.wang@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240702220757.262825-1-weilin.wang@intel.com> References: <20240702220757.262825-1-weilin.wang@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 =3D fd; data->use_stdio =3D 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 <=3D 0) { data->file.fd =3D fd; } } --=20 2.43.0