Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753916Ab1FCNgZ (ORCPT ); Fri, 3 Jun 2011 09:36:25 -0400 Received: from hera.kernel.org ([140.211.167.34]:57776 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753182Ab1FCNgY (ORCPT ); Fri, 3 Jun 2011 09:36:24 -0400 Date: Fri, 3 Jun 2011 13:36:13 GMT From: tip-bot for Arnaldo Carvalho de Melo Message-ID: Cc: linux-kernel@vger.kernel.org, eranian@google.com, paulus@samba.org, acme@redhat.com, hpa@zytor.com, mingo@redhat.com, peterz@infradead.org, efault@gmx.de, fweisbec@gmail.com, tglx@linutronix.de Reply-To: mingo@redhat.com, hpa@zytor.com, acme@redhat.com, paulus@samba.org, eranian@google.com, linux-kernel@vger.kernel.org, efault@gmx.de, peterz@infradead.org, fweisbec@gmail.com, tglx@linutronix.de To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf python: Use exception to propagate errors Git-Commit-ID: 5c6970af2f4be4e04b06fe78214f6809777a8354 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (hera.kernel.org [127.0.0.1]); Fri, 03 Jun 2011 13:36:13 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2238 Lines: 64 Commit-ID: 5c6970af2f4be4e04b06fe78214f6809777a8354 Gitweb: http://git.kernel.org/tip/5c6970af2f4be4e04b06fe78214f6809777a8354 Author: Arnaldo Carvalho de Melo AuthorDate: Thu, 2 Jun 2011 10:55:10 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 2 Jun 2011 10:55:10 -0300 perf python: Use exception to propagate errors We were using pr_debug to tell the user about not being able to parse a sample where we should really use the python way of reporting errors: exceptions. Fixes this problem: [root@emilia ~]# python >>> import perf Traceback (most recent call last): File "", line 1, in ImportError: /home/acme/git/build/perf/python/perf.so: undefined symbol: eprintf >>> [root@emilia ~] As we want to keep the objects linked in the python binding (and in the future in a shared library) minimal. Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-m9dba9kaluas0kq8r58z191c@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/python.c | 10 ++++------ 1 files changed, 4 insertions(+), 6 deletions(-) diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 69436b3..2dd1698 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -694,14 +694,12 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist, err = perf_event__parse_sample(event, first->attr.sample_type, perf_sample_size(first->attr.sample_type), sample_id_all, &pevent->sample); - if (err) { - pr_err("Can't parse sample, err = %d\n", err); - goto end; - } - + if (err) + return PyErr_Format(PyExc_OSError, + "perf: can't parse sample, err=%d", err); return pyevent; } -end: + Py_INCREF(Py_None); return Py_None; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/