From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753394AbdK1AXg (ORCPT ); Mon, 27 Nov 2017 19:23:36 -0500 Received: from mga09.intel.com ([134.134.136.24]:4474 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753113AbdK1AX3 (ORCPT ); Mon, 27 Nov 2017 19:23:29 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.44,466,1505804400"; d="scan'208";a="6971798" From: Andi Kleen To: acme@kernel.org Cc: jolsa@kernel.org, mhiramat@kernel.org, adrian.hunter@intel.com, linux-kernel@vger.kernel.org, Andi Kleen Subject: [PATCH 09/12] perf, tools: Downgrade register mapping message to warning Date: Mon, 27 Nov 2017 16:23:18 -0800 Message-Id: <20171128002321.2878-10-andi@firstfloor.org> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20171128002321.2878-1-andi@firstfloor.org> References: <20171128002321.2878-1-andi@firstfloor.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andi Kleen When tracing floating point code it's quite possible that perf doesn't recognize the register number. Downgrade the warning for unknown registers to a debug message. Signed-off-by: Andi Kleen --- tools/perf/util/probe-finder.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index 137b2fe71838..5fe6466254f9 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -272,8 +272,8 @@ static int convert_variable_location(Dwarf_Die *vr_die, Dwarf_Addr addr, regs = get_dwarf_regstr(regn, machine); if (!regs) { - /* This should be a bug in DWARF or this tool */ - pr_warning("Mapping for the register number %u " + /* This can happen with floating point */ + pr_debug("Mapping for the register number %u " "missing on this architecture.\n", regn); return -ENOTSUP; } -- 2.13.6