From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755230AbaJVTNo (ORCPT ); Wed, 22 Oct 2014 15:13:44 -0400 Received: from mga01.intel.com ([192.55.52.88]:48854 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755079AbaJVTN2 (ORCPT ); Wed, 22 Oct 2014 15:13:28 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,770,1406617200"; d="scan'208";a="618699236" From: kan.liang@intel.com To: acme@kernel.org Cc: linux-kernel@vger.kernel.org, Kan Liang Subject: [PATCH 1/1] perf tool: add hists__init for perf diff Date: Wed, 22 Oct 2014 15:02:41 -0400 Message-Id: <1414004561-22096-1-git-send-email-kan.liang@intel.com> X-Mailer: git-send-email 1.8.3.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kan Liang perf diff also uses hists/hist_entries, hists__init() should be called before creating any evsels. Signed-off-by: Kan Liang --- tools/perf/builtin-diff.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index 8c5c11c..25114c9 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -1142,6 +1142,11 @@ static int data_init(int argc, const char **argv) int cmd_diff(int argc, const char **argv, const char *prefix __maybe_unused) { + int ret = hists__init(); + + if (ret < 0) + return ret; + perf_config(perf_default_config, NULL); argc = parse_options(argc, argv, options, diff_usage, 0); -- 1.8.3.2