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Commit 1de8e245 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo Committed by Ingo Molnar
Browse files

perf symbols: When not using modules, discard its symbols 



Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1259346563-12568-10-git-send-email-acme@infradead.org>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 95011c60

tools/perf/util/symbol.c

+5 −1
Original line number Diff line number Diff line
@@ -381,6 +381,9 @@ static int dso__split_kallsyms(struct dso *self, struct map *map, struct thread 


		module = strchr(pos->name, '\t');

		if (module) {

			if (!thread->use_modules)

				goto discard_symbol;



			*module++ = '\0';



			if (strcmp(self->name, module)) {
@@ -420,7 +423,7 @@ static int dso__split_kallsyms(struct dso *self, struct map *map, struct thread 
		}



		if (filter && filter(curr_map, pos)) {

			rb_erase(&pos->rb_node, root);

discard_symbol:		rb_erase(&pos->rb_node, root);

			symbol__delete(pos);

		} else {

			if (curr_map != map) {
@@ -1635,6 +1638,7 @@ int symbol__init(struct symbol_conf *conf) 
		return -1;

	}



	kthread->use_modules = pconf->use_modules;

	if (pconf->use_modules && thread__create_module_maps(kthread) < 0)

		pr_debug("Failed to load list of modules in use, "

			 "continuing...\n");

tools/perf/util/thread.h

+1 −0
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ struct thread { 
	struct rb_root		maps[MAP__NR_TYPES];

	struct list_head	removed_maps[MAP__NR_TYPES];

	pid_t			pid;

	bool			use_modules;

	char			shortname[3];

	char			*comm;

	int			comm_len;