From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753242AbbH1RFu (ORCPT ); Fri, 28 Aug 2015 13:05:50 -0400 Received: from mail.kernel.org ([198.145.29.136]:58720 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753058AbbH1REj (ORCPT ); Fri, 28 Aug 2015 13:04:39 -0400 Date: Fri, 28 Aug 2015 14:04:14 -0300 From: Arnaldo Carvalho de Melo To: Stephane Eranian Cc: Namhyung Kim , Jiri Olsa , Linux Kernel Mailing List Subject: perf mem report segfaulting Message-ID: <20150828170414.GG11407@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, While trying to test my tmp.perf/ui_browser.horiz_scroll branch with 'perf mem report' to allow that kind of browsing on the TUI, as of now it works only on --stdio mode, using the right/left arrow keys, I noticed this in acme/perf/core (but I saw it too in many previous revisions, trying to bisect it): [root@zoo ~]# perf mem record -a ^C[ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 3.072 MB perf.data (647 samples) ] [root@zoo ~]# perf mem report perf: Segmentation fault -------- backtrace -------- perf[0x52a08b] /lib64/libc.so.6(+0x34960)[0x7f8726860960] perf(addr_map_symbol__inc_samples+0xbb)[0x47abfb] perf[0x42e93f] perf(hist_entry_iter__add+0x102)[0x4d9632] perf[0x42e7ba] perf[0x4bc4c3] perf[0x4bc9c1] perf[0x4bf6b9] perf(perf_session__process_events+0x390)[0x4be1b0] perf(cmd_report+0x1038)[0x42faf8] perf(cmd_mem+0x3ec)[0x44c69c] perf[0x479113] perf(main+0x60a)[0x420a5a] /lib64/libc.so.6(__libc_start_main+0xf0)[0x7f872684bfe0] perf[0x420b79] [0x0] [root@zoo ~]# perf evlist cpu/mem-loads/pp cpu/mem-stores/pp [root@zoo ~]# Have you noticed this? No time to look at this now :-\ - Arnaldo