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authorArnaldo Carvalho de Melo <acme@redhat.com>2015-01-16 15:39:53 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-01-21 10:05:54 -0300
commit18bd726418f2a2e12f85104f0f4b5d5d077e1752 (patch)
tree4f303744ab5544b9379bd21a2c458fdd32c912ef /tools
parentde4809999dac44c51e1f9ad892deb0336296dc4e (diff)
downloadlinux-18bd726418f2a2e12f85104f0f4b5d5d077e1752.tar.bz2
perf symbols: Introduce method to iterate symbols ordered by name
Given a symbol, go to the next entry in a rbtree sorted by symbol name. Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Link: http://lkml.kernel.org/n/tip-aq210drxprnu2so4dye5xa3j@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/util/symbol.c11
-rw-r--r--tools/perf/util/symbol.h1
2 files changed, 12 insertions, 0 deletions
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 3cb928e51a99..a194702a0a2f 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -450,6 +450,17 @@ struct symbol *dso__next_symbol(struct symbol *sym)
return symbols__next(sym);
}
+struct symbol *symbol__next_by_name(struct symbol *sym)
+{
+ struct symbol_name_rb_node *s = container_of(sym, struct symbol_name_rb_node, sym);
+ struct rb_node *n = rb_next(&s->rb_node);
+
+ return n ? &rb_entry(n, struct symbol_name_rb_node, rb_node)->sym : NULL;
+}
+
+ /*
+ * Teturns first symbol that matched with @name.
+ */
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 9d602e9c6f59..1650dcb3a67b 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -231,6 +231,7 @@ struct symbol *dso__find_symbol(struct dso *dso, enum map_type type,
u64 addr);
struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,
const char *name);
+struct symbol *symbol__next_by_name(struct symbol *sym);
struct symbol *dso__first_symbol(struct dso *dso, enum map_type type);
struct symbol *dso__next_symbol(struct symbol *sym);