Re: [PATCH 17/19] perf scripts python: exported-sql-viewer.py: Add All branches report

[Arnaldo Carvalho de Melo]

Em Mon, Oct 22, 2018 at 03:50:12PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Mon, Oct 01, 2018 at 09:28:51AM +0300, Adrian Hunter escreveu:
> > Add a report to display branches in a similar fashion to perf script. The
> > main purpose of this report is to display disassembly, however, presently,
> > the only supported disassembler is Intel XED, and additionally the object
> > code must be present in perf build ID cache.
> > 
> > To use Intel XED, libxed.so must be present. To build and install
> > libxed.so:
> > 	git clone https://github.com/intelxed/mbuild.git mbuild
> > 	git clone https://github.com/intelxed/xed
> > 	cd xed
> > 	./mfile.py --share
> > 	sudo ./mfile.py --prefix=/usr/local install
> > 	sudo ldconfig
> 
> The above set of instructions went further than when I tried following
> Andi's instructions for testing the xed support in 'perf script', so I
> tried to test this following committer notes I had added to:
> 
>   4b715d24f4f1 perf tools: Add example call-graph script
> 
> But now I'm getting this, what am I missing? I suggest you catch this
> exception and provide hints about what is missing :-)
> 
> - Arnaldo
> 
> [acme@jouet perf]$ perf script -i ~acme/perf.data.intel_pt -s ~/libexec/perf-core/scripts/python/export-to-postgresql.py pt_example branches calls
> 2018-10-22 15:46:29.964938 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 283, in <module>
>     do_query(query, 'CREATE DATABASE ' + dbname)
>   File "/home/acme/libexec/perf-core/scripts/python/export-to-postgresql.py", line 274, 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@jouet perf]$
> 
> [root@jouet perf]# rpm -qa | grep -i sqlite
> sqlite-debuginfo-3.14.2-1.fc25.x86_64
> sqlite2-2.8.17-20.fc26.x86_64
> sqlite-3.20.1-3.fc27.x86_64
> sqlite-libs-3.20.1-3.fc27.x86_64
> [root@jouet perf]#

Installed:

python-sqlite3dbm-0.1.4-10.fc27.noarch

didn't help