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authorAdrian Hunter <adrian.hunter@intel.com>2014-07-14 14:02:50 +0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-07-17 00:57:35 +0400
commit9c00a81b6aafc4ed375a43e7a54e6cf2d720c7c6 (patch)
tree829d9d0c0c23acdaaa9fc1a5dbec7e5e5b36adba /tools/perf
parentbdac0bcf779250e89b96d4a3f381ebaf02c2f4a9 (diff)
downloadlinux-9c00a81b6aafc4ed375a43e7a54e6cf2d720c7c6.tar.xz
perf symbols: Add ability to iterate over a dso's symbols
Expose dso__first_symbol() and dso__next_symbol() to make it possible to iterate over a dso's symbols. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1405332185-4050-27-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/util/symbol.c17
-rw-r--r--tools/perf/util/symbol.h3
2 files changed, 19 insertions, 1 deletions
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 156ae36dfcfc..eb06746b06b2 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -342,6 +342,16 @@ static struct symbol *symbols__first(struct rb_root *symbols)
return NULL;
}
+static struct symbol *symbols__next(struct symbol *sym)
+{
+ struct rb_node *n = rb_next(&sym->rb_node);
+
+ if (n)
+ return rb_entry(n, struct symbol, rb_node);
+
+ return NULL;
+}
+
struct symbol_name_rb_node {
struct rb_node rb_node;
struct symbol sym;
@@ -412,11 +422,16 @@ struct symbol *dso__find_symbol(struct dso *dso,
return symbols__find(&dso->symbols[type], addr);
}
-static struct symbol *dso__first_symbol(struct dso *dso, enum map_type type)
+struct symbol *dso__first_symbol(struct dso *dso, enum map_type type)
{
return symbols__first(&dso->symbols[type]);
}
+struct symbol *dso__next_symbol(struct symbol *sym)
+{
+ return symbols__next(sym);
+}
+
struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,
const char *name)
{
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 436169dd1d84..ee2d3ccd3ad1 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -240,6 +240,9 @@ struct symbol *dso__find_symbol(struct dso *dso, enum map_type type,
struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,
const char *name);
+struct symbol *dso__first_symbol(struct dso *dso, enum map_type type);
+struct symbol *dso__next_symbol(struct symbol *sym);
+
int filename__read_build_id(const char *filename, void *bf, size_t size);
int sysfs__read_build_id(const char *filename, void *bf, size_t size);
int modules__parse(const char *filename, void *arg,