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perf symbols: Introduce method to iterate symbols ordered by name

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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>
This commit is contained in:
Arnaldo Carvalho de Melo 2015-01-16 15:39:53 -03:00
parent de4809999d
commit 18bd726418
2 changed files with 12 additions and 0 deletions
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11
tools/perf/util/symbol.c
View File

@ -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)
{

1
tools/perf/util/symbol.h
View File

@ -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);