diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2016-09-23 17:38:38 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-09-29 11:17:01 -0300 |
| commit | cd67f99fe90dcf515f1c70c474b84d56b6236cbb (patch) | |
| tree | a47a48795edcea7e53c5fed1299451498b507dc1 | |
| parent | 5c01ad60b8a23f8ff59b9a5a756f07ed08f0b6d1 (diff) | |
perf symbols: Add dso__last_symbol()
Add a function to find the last symbol in a DSO. This will be used when
parsing address filters to calculate a region that includes the entire
DSO.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: http://lkml.kernel.org/r/1474641528-18776-7-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/util/symbol.c | 15 | ||||
| -rw-r--r-- | tools/perf/util/symbol.h | 1 |
2 files changed, 16 insertions, 0 deletions
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 19c9c558454f..aecff69a510d 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -345,6 +345,16 @@ static struct symbol *symbols__first(struct rb_root *symbols) return NULL; } +static struct symbol *symbols__last(struct rb_root *symbols) +{ + struct rb_node *n = rb_last(symbols); + + if (n) + return rb_entry(n, struct symbol, rb_node); + + return NULL; +} + static struct symbol *symbols__next(struct symbol *sym) { struct rb_node *n = rb_next(&sym->rb_node); @@ -466,6 +476,11 @@ struct symbol *dso__first_symbol(struct dso *dso, enum map_type type) return symbols__first(&dso->symbols[type]); } +struct symbol *dso__last_symbol(struct dso *dso, enum map_type type) +{ + return symbols__last(&dso->symbols[type]); +} + struct symbol *dso__next_symbol(struct symbol *sym) { return symbols__next(sym); diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index 0dacfb7d5b67..d964844eb314 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -259,6 +259,7 @@ struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type, struct symbol *symbol__next_by_name(struct symbol *sym); struct symbol *dso__first_symbol(struct dso *dso, enum map_type type); +struct symbol *dso__last_symbol(struct dso *dso, enum map_type type); struct symbol *dso__next_symbol(struct symbol *sym); enum dso_type dso__type_fd(int fd); |