From nobody Wed Dec 17 10:46:11 2025 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (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 9C19720326; Fri, 12 Jul 2024 19:09:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720811386; cv=none; b=gvV6cv+B5OgPbUFb68i7ismpEBuKFhDQxFrTtiYdWrIJAsswcubYi8H4sckRZXDEOVYnoXSzttezkbURkIvy1obQRfpa1nb2x7+h61iaqAycbTnPOsKIUqls+GwaSKyfHMH3QGGr00jRbFaLFWSc4EUvSSYu8AQXn3bNVtUfBcE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720811386; c=relaxed/simple; bh=El3YDeqjczhekPR1W+uyDSK2dsNIh5KkIWwOCQU6c88=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=B+UmLFdV1rpv5ufJiJN+yFfnQSCgr4XzZexG1KjgbKmAkUFr1OlU7BILJlUqgjMiecBGt/kZNoAD3ouNxt5fhuIKdIKmTjl7wTtBS0JxoA//Sn4KocmZWAuOmpvsZluVN8mGCnaEzndx6DSJ1E3vWxb0j/AzoLpHx6qJh2YsZvY= 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=LL5V06nj; arc=none smtp.client-ip=192.198.163.7 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="LL5V06nj" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1720811384; x=1752347384; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=El3YDeqjczhekPR1W+uyDSK2dsNIh5KkIWwOCQU6c88=; b=LL5V06njrFVHr5HI/t9E9+w47kFg8lqO0cFQpM3PEVGfa2XqpkydimFv mphhd0gcalpN1GZ8+dvMSsje4QGJGFnsAtl97lbVilOBt9qPAaImbjJZx 1hkN2czuCQubq+PDr8mqeMOn2H9SV9VA8IOqv2RlLYO+J0S2A6Kn9anQW aYb3f9F6AQa03KTlI60LDX+GKfjgKWhFcbjZ5sOovEbXAQ48oX4db3hR8 bAkYR9ab3jtfopf0IPwMHGeyx1T81bUOaTVqyiXkp8ltJc90totki2ySs 1WT1wVfVJhZz76DsUMOHdYiu6IZE6OLGACkGlOpQ20ltk3uqtCjPeH3XA w==; X-CSE-ConnectionGUID: qgdAaMwzToqgjOY5jCKS2g== X-CSE-MsgGUID: /Mg3D5NjQMOkXvZm2RIPdQ== X-IronPort-AV: E=McAfee;i="6700,10204,11131"; a="43683019" X-IronPort-AV: E=Sophos;i="6.09,203,1716274800"; d="scan'208";a="43683019" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jul 2024 12:09:42 -0700 X-CSE-ConnectionGUID: lUKC+nv3QtiuKlBt5e1W/w== X-CSE-MsgGUID: iJovl0PxQKm5hwig7zZ2Lw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,203,1716274800"; d="scan'208";a="54187433" Received: from fl31ca102ks0602.deacluster.intel.com (HELO gnr-bkc.deacluster.intel.com) ([10.75.133.163]) by orviesa004.jf.intel.com with ESMTP; 12 Jul 2024 12:09:42 -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 v17 2/8] perf data: Allow to use given fd in data->file.fd Date: Fri, 12 Jul 2024 15:09:24 -0400 Message-ID: <20240712190932.417531-3-weilin.wang@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240712190932.417531-1-weilin.wang@intel.com> References: <20240712190932.417531-1-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