From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (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 988F615E5DC; Tue, 2 Apr 2024 21:45:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712094360; cv=none; b=R7GyxDO/zI8P88xT/oOfXfnI7r/RFuXHVJVBgQE8y0OWAxEvOzKC0gsa+NONnbUUezVh2pJBo34tSkO5eNU8h5/9n/W5re+OSTI/VU87IOzm1xJvmamPeNZw+WFT0G0VOYuQvJZxRHfzM17B6/d87r1Iiw2gSGJ6KgtHOb7cIus= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712094360; c=relaxed/simple; bh=El3YDeqjczhekPR1W+uyDSK2dsNIh5KkIWwOCQU6c88=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ekkpNGpGhmXNtn92Y2I/QZ1XfpPPy1/jqHNtseXyhQ5BPkiKsWbmmRCaPRkKBBztine08lW/BODoov9lRwYtVkuNYEdRi1xL0KxkeavT4DpFiV1GJiYwX9WYC6t99MZzHnLCA9CyFV7PIw5NzM7AzMixgiYsu0YCl+bYFXFTQAY= 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=A+MAAN2D; arc=none smtp.client-ip=192.198.163.9 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="A+MAAN2D" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1712094358; x=1743630358; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=El3YDeqjczhekPR1W+uyDSK2dsNIh5KkIWwOCQU6c88=; b=A+MAAN2DczFen6ll4k8166sNPwT69In0OQuUrP7us64/735NtNXdnyEZ 5YI+nnWveIuOCY3XwGB+NPV5ZfBjhOeP8m2nmHP02TPLiCsyVX+XhmA8C dhAGX/PzIbITi116ad71q1ITbx88yhG+Zcgsg0s4erQDroSKD06OkAegG 7QkNgmJBOAfroth9a4+WQK0GbnY5nB9wJLIgqk/zzLIF40bJWVt07Iec4 Zej66kgiIWjAy3ZqRXs/e9k0QM6VNQSj+xJOO0YDpKam/66s6e4KHDra0 ISazi5tmtuf7IkgQEZjvg2Lr15FkLvx5O7txrOpn242SMLGRUgvyYG4Lf w==; X-CSE-ConnectionGUID: 3T9yNCSnTWi6/sFTZgqEWw== X-CSE-MsgGUID: /i6HwwxoSNGrjJbIyuSNQw== X-IronPort-AV: E=McAfee;i="6600,9927,11032"; a="18020008" X-IronPort-AV: E=Sophos;i="6.07,176,1708416000"; d="scan'208";a="18020008" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Apr 2024 14:45:05 -0700 X-CSE-ConnectionGUID: OXYJXYhrSS6eAJGF95FUyQ== X-CSE-MsgGUID: oJF2vaD9TDOWQZfwq61Jsg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,176,1708416000"; d="scan'208";a="22849070" Received: from fl31ca102ks0602.deacluster.intel.com (HELO gnr-bkc.deacluster.intel.com) ([10.75.133.163]) by fmviesa004.fm.intel.com with ESMTP; 02 Apr 2024 14:45:03 -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 v7 2/6] perf data: Allow to use given fd in data->file.fd Date: Tue, 2 Apr 2024 17:44:32 -0400 Message-ID: <20240402214436.1409476-3-weilin.wang@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240402214436.1409476-1-weilin.wang@intel.com> References: <20240402214436.1409476-1-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