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perf symbols: When not using modules, discard its symbols

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Signed-off-by: Arnaldo 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: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arnaldo Carvalho de Melo 2009-11-27 16:29:21 -02:00 committed by Ingo Molnar
parent 95011c6007
commit 1de8e24520
2 changed files with 6 additions and 1 deletions
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6
tools/perf/util/symbol.c
View file

@ -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");

1
tools/perf/util/thread.h
View file

@ -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;