From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753707AbbHUP2U (ORCPT ); Fri, 21 Aug 2015 11:28:20 -0400 Received: from mail.kernel.org ([198.145.29.136]:46831 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753607AbbHUP2T (ORCPT ); Fri, 21 Aug 2015 11:28:19 -0400 Date: Fri, 21 Aug 2015 12:28:13 -0300 From: Arnaldo Carvalho de Melo To: Adrian Hunter Cc: Ingo Molnar , linux-kernel@vger.kernel.org, Jiri Olsa Subject: Re: [PATCH V8 10/25] perf tools: Add example call-graph script Message-ID: <20150821152813.GE30343@kernel.org> References: <1437150840-31811-1-git-send-email-adrian.hunter@intel.com> <1437150840-31811-11-git-send-email-adrian.hunter@intel.com> <20150821150013.GB30343@kernel.org> <20150821151133.GC30343@kernel.org> <20150821152125.GD30343@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150821152125.GD30343@kernel.org> 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 Em Fri, Aug 21, 2015 at 12:21:25PM -0300, Arnaldo Carvalho de Melo escreveu: > Em Fri, Aug 21, 2015 at 12:11:33PM -0300, Arnaldo Carvalho de Melo escreveu: > > [acme@zoo ~]$ perf script -s ~/libexec/perf-core/scripts/python/export-to-postgresql.py bts_example branches calls > > 2015-08-21 12:10:00.504126 Creating database... > > QSqlDatabase: QPSQL driver not loaded > > QSqlDatabase: available drivers: QSQLITE > > QSqlDatabase: an instance of QCoreApplication is required for loading driver plugins > > QSqlQuery::exec: database not open > > Traceback (most recent call last): > > File "/home/acme/libexec/perf-core/scripts/python/export-to-postgresql.py", line 87, in > > do_query(query, 'CREATE DATABASE ' + dbname) > > File "/home/acme/libexec/perf-core/scripts/python/export-to-postgresql.py", line 78, in do_query > > raise Exception("Query failed: " + q.lastError().text()) > > Exception: Query failed: Driver not loaded Driver not loaded > > Error running python script /home/acme/libexec/perf-core/scripts/python/export-to-postgresql.py > > [acme@zoo ~]$ > > A-ha, this was missing: > > [root@zoo ~]# rpm -ql qt-postgresql > /usr/lib64/qt4/plugins/sqldrivers/libqsqlpsql.so > [root@zoo ~]# > > [acme@zoo ~]$ perf script -s ~/libexec/perf-core/scripts/python/export-to-postgresql.py bts_example branches calls > 2015-08-21 12:20:01.841677 Creating database... > 2015-08-21 12:20:02.556853 Writing to intermediate files... > 2015-08-21 12:20:03.262814 Copying to database... > 2015-08-21 12:20:03.783109 Removing intermediate files... > 2015-08-21 12:20:03.790282 Adding primary keys > 2015-08-21 12:20:04.294342 Adding foreign keys > 2015-08-21 12:20:04.718238 Done > [acme@zoo ~]$ > > Now to the next steps... Lets see how this looks like with BTS... So, after running: [acme@zoo linux]$ python tools/perf/scripts/python/call-graph-from-postgresql.py bts_example I got a GUI and after expanding some callchains I took this screenshot: http://vger.kernel.org/~acme/perf/call_graph_example_intel_bts.png Cool stuff! But it seems the COMM got messed up? I.e. that "1380:1380" first level after "ls". - Arnaldo