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| author | Adrian Hunter <adrian.hunter@intel.com> | 2013-12-03 09:23:07 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-12-04 13:46:36 -0300 |
| commit | 454ff00f969e515c4cbfd52718ec5e01c7d9aeef (patch) | |
| tree | f30a63eb6f61ea4a1b74e5af8ed7142fa6b65afd /tools/perf/util/dso.h | |
| parent | d88938ebc97df72320609b33aa0cf9a9a98accb1 (diff) | |
| download | lwn-454ff00f969e515c4cbfd52718ec5e01c7d9aeef.tar.gz lwn-454ff00f969e515c4cbfd52718ec5e01c7d9aeef.zip | |
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>
Diffstat (limited to 'tools/perf/util/dso.h')
| -rw-r--r-- | tools/perf/util/dso.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h index 9ac666abbe7e..d8613dc3ca8f 100644 --- a/tools/perf/util/dso.h +++ b/tools/perf/util/dso.h @@ -77,6 +77,7 @@ struct dso { struct rb_root symbols[MAP__NR_TYPES]; struct rb_root symbol_names[MAP__NR_TYPES]; struct rb_root cache; + void *a2l; enum dso_kernel_type kernel; enum dso_swap_type needs_swap; enum dso_binary_type symtab_type; @@ -166,4 +167,6 @@ static inline bool dso__is_kcore(struct dso *dso) dso->data_type == DSO_BINARY_TYPE__GUEST_KCORE; } +void dso__free_a2l(struct dso *dso); + #endif /* __PERF_DSO */ |