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perf symbols: Kernel_maps should be an array of MAP__NR_TYPES entries 

So that we can support multiple symbol table types.

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: <1259346563-12568-8-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 16:29:19 -02:00 committed by Ingo Molnar
parent 4e06255f5c
commit 23ea4a3fad
2 changed files with 38 additions and 14 deletions
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51
tools/perf/util/symbol.c
View File

@ -29,6 +29,7 @@ enum dso_origin {
};
static void dsos__add(struct list_head *head, struct dso *dso);
static struct map *kernel_maps__find_by_dso_name(const char *name);
static struct map *map__new2(u64 start, struct dso *dso, enum map_type type);
static void kernel_maps__insert(struct map *map);
struct symbol *dso__find_symbol(struct dso *self, enum map_type type, u64 addr);
@ -43,7 +44,7 @@ static struct symbol_conf symbol_conf__defaults = {
.try_vmlinux_path = true,
};
static struct rb_root kernel_maps__functions;
static struct rb_root kernel_maps[MAP__NR_TYPES];
bool dso__loaded(const struct dso *self, enum map_type type)
{
@ -78,10 +79,10 @@ static void symbols__fixup_end(struct rb_root *self)
curr->end = roundup(curr->start, 4096);
}
static void kernel_maps__fixup_end(void)
static void __kernel_maps__fixup_end(struct rb_root *root)
{
struct map *prev, *curr;
struct rb_node *nd, *prevnd = rb_first(&kernel_maps__functions);
struct rb_node *nd, *prevnd = rb_first(root);
if (prevnd == NULL)
return;
@ -101,6 +102,13 @@ static void kernel_maps__fixup_end(void)
curr->end = ~0UL;
}
static void kernel_maps__fixup_end(void)
{
int i;
for (i = 0; i < MAP__NR_TYPES; ++i)
__kernel_maps__fixup_end(&kernel_maps[i]);
}
static struct symbol *symbol__new(u64 start, u64 len, const char *name)
{
size_t namelen = strlen(name) + 1;
@ -449,12 +457,12 @@ static int dso__load_kallsyms(struct dso *self, struct map *map,
return dso__split_kallsyms(self, map, filter);
}
size_t kernel_maps__fprintf(FILE *fp)
static size_t __kernel_maps__fprintf(enum map_type type, FILE *fp)
{
size_t printed = fprintf(fp, "Kernel maps:\n");
size_t printed = fprintf(fp, "%s:\n", map_type__name[type]);
struct rb_node *nd;
for (nd = rb_first(&kernel_maps__functions); nd; nd = rb_next(nd)) {
for (nd = rb_first(&kernel_maps[type]); nd; nd = rb_next(nd)) {
struct map *pos = rb_entry(nd, struct map, rb_node);
printed += fprintf(fp, "Map:");
@ -465,6 +473,16 @@ size_t kernel_maps__fprintf(FILE *fp)
}
}
return printed;
}
size_t kernel_maps__fprintf(FILE *fp)
{
size_t printed = fprintf(fp, "Kernel maps:\n");
int i;
for (i = 0; i < MAP__NR_TYPES; ++i)
printed += __kernel_maps__fprintf(i, fp);
return printed + fprintf(fp, "END kernel maps\n");
}
@ -1191,13 +1209,14 @@ out:
static void kernel_maps__insert(struct map *map)
{
maps__insert(&kernel_maps__functions, map);
maps__insert(&kernel_maps[map->type], map);
}
struct symbol *kernel_maps__find_function(u64 ip, struct map **mapp,
symbol_filter_t filter)
static struct symbol *kernel_maps__find_symbol(u64 ip, enum map_type type,
struct map **mapp,
symbol_filter_t filter)
{
struct map *map = maps__find(&kernel_maps__functions, ip);
struct map *map = maps__find(&kernel_maps[type], ip);
if (mapp)
*mapp = map;
@ -1206,17 +1225,23 @@ struct symbol *kernel_maps__find_function(u64 ip, struct map **mapp,
ip = map->map_ip(map, ip);
return map__find_symbol(map, ip, filter);
} else
WARN_ONCE(RB_EMPTY_ROOT(&kernel_maps__functions),
WARN_ONCE(RB_EMPTY_ROOT(&kernel_maps[type]),
"Empty kernel_maps, was symbol__init() called?\n");
return NULL;
}
struct map *kernel_maps__find_by_dso_name(const char *name)
struct symbol *kernel_maps__find_function(u64 ip, struct map **mapp,
symbol_filter_t filter)
{
return kernel_maps__find_symbol(ip, MAP__FUNCTION, mapp, filter);
}
static struct map *kernel_maps__find_by_dso_name(const char *name)
{
struct rb_node *nd;
for (nd = rb_first(&kernel_maps__functions); nd; nd = rb_next(nd)) {
for (nd = rb_first(&kernel_maps[MAP__FUNCTION]); nd; nd = rb_next(nd)) {
struct map *map = rb_entry(nd, struct map, rb_node);
if (map->dso && strcmp(map->dso->name, name) == 0)

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

@ -28,7 +28,6 @@ struct map *maps__find(struct rb_root *maps, u64 ip);
struct symbol *kernel_maps__find_function(const u64 ip, struct map **mapp,
symbol_filter_t filter);
struct map *kernel_maps__find_by_dso_name(const char *name);
static inline struct map *thread__find_map(struct thread *self, u64 ip)
{