Re: [PATCH V8 10/25] perf tools: Add example call-graph script

[Arnaldo Carvalho de Melo]

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 <module>
>     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...

- Arnaldo
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