Commit-ID: cd67f99fe90dcf515f1c70c474b84d56b6236cbb Gitweb: http://git.kernel.org/tip/cd67f99fe90dcf515f1c70c474b84d56b6236cbb Author: Adrian Hunter <adrian.hun...@intel.com> AuthorDate: Fri, 23 Sep 2016 17:38:38 +0300 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Thu, 29 Sep 2016 11:17:01 -0300
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.hun...@intel.com> Cc: Jiri Olsa <jo...@redhat.com> Cc: Masami Hiramatsu <mhira...@kernel.org> Cc: Mathieu Poirier <mathieu.poir...@linaro.org> Link: http://lkml.kernel.org/r/1474641528-18776-7-git-send-email-adrian.hun...@intel.com Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/util/symbol.c | 15 +++++++++++++++ tools/perf/util/symbol.h | 1 + 2 files changed, 16 insertions(+) diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 19c9c55..aecff69 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 0dacfb7..d964844 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);
