perf symbols: Retain bfd reference to lookup source line numbers
authorAdrian Hunter <adrian.hunter@intel.com>
Tue, 3 Dec 2013 07:23:07 +0000 (09:23 +0200)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Wed, 4 Dec 2013 16:46:36 +0000 (13:46 -0300)
commit454ff00f969e515c4cbfd52718ec5e01c7d9aeef
treef30a63eb6f61ea4a1b74e5af8ed7142fa6b65afd
parentd88938ebc97df72320609b33aa0cf9a9a98accb1
perf symbols: Retain bfd reference to lookup source line numbers

Closng and re-opening for every lookup when using libbfd to lookup
source file name and line number is very very slow.  Instead keep the
reference on struct dso.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1386055390-13757-5-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/util/dso.c
tools/perf/util/dso.h
tools/perf/util/srcline.c