Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752888AbbBSAEW (ORCPT ); Wed, 18 Feb 2015 19:04:22 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:46387 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752444AbbBSAEV (ORCPT ); Wed, 18 Feb 2015 19:04:21 -0500 From: David Ahern To: acme@kernel.org, linux-kernel@vger.kernel.org Cc: David Ahern Subject: [PATCH] perf: Fix sigbus with perf-top Date: Wed, 18 Feb 2015 19:03:18 -0500 Message-Id: <1424304198-92028-1-git-send-email-david.ahern@oracle.com> X-Mailer: git-send-email 1.7.1 X-Source-IP: aserv0022.oracle.com [141.146.126.234] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1263 Lines: 40 perf-top is terminating due to SIGBUS on sparc64. git bisect points to: commit 82396986032915c1572bfb74b224fcc2e4e8ba7c Author: Arnaldo Carvalho de Melo Date: Mon Sep 8 13:26:35 2014 -0300 perf evlist: Refcount mmaps We need to know how many fds are using a perf mmap via PERF_EVENT_IOC_SET_OUTPUT, so that we can know when to ditch an mmap, refcount it. This commit added 'int refcnt' to struct perf_mmap and the addition makes the event_copy element no longer 8-byte aligned. Fix by adding a pad. Signed-off-by: David Ahern --- tools/perf/util/evlist.h | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index c94a9e03ecf1..7a5a77b2b907 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -28,6 +28,7 @@ struct perf_mmap { int mask; int refcnt; unsigned int prev; + int pad; char event_copy[PERF_SAMPLE_MAX_SIZE]; }; -- 1.9.3 -- 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/