perf symbols: Add a 'type' field to struct map
That way we will be able to check if the right symtab is loaded
in the underlying DSO.
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: <1259346563-12568-5-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index ded6cf6..a0168f2 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -996,7 +996,7 @@
struct thread *thread = threads__findnew(self->mmap.pid);
if (thread != NULL) {
- struct map *map = map__new(&self->mmap, NULL, 0);
+ struct map *map = map__new(&self->mmap, MAP__FUNCTION, NULL, 0);
if (map != NULL)
thread__insert_map(thread, map);
}
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 882a953..29543bd 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -80,6 +80,10 @@
struct sample_event sample;
} event_t;
+enum map_type {
+ MAP__FUNCTION,
+};
+
struct map {
union {
struct rb_node rb_node;
@@ -87,6 +91,7 @@
};
u64 start;
u64 end;
+ enum map_type type;
u64 pgoff;
u64 (*map_ip)(struct map *, u64);
u64 (*unmap_ip)(struct map *, u64);
@@ -112,9 +117,10 @@
typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym);
-void map__init(struct map *self, u64 start, u64 end, u64 pgoff,
- struct dso *dso);
-struct map *map__new(struct mmap_event *event, char *cwd, int cwdlen);
+void map__init(struct map *self, enum map_type type,
+ u64 start, u64 end, u64 pgoff, struct dso *dso);
+struct map *map__new(struct mmap_event *event, enum map_type,
+ char *cwd, int cwdlen);
void map__delete(struct map *self);
struct map *map__clone(struct map *self);
int map__overlap(struct map *l, struct map *r);
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 41c5c4a..52bb4c6 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -20,9 +20,10 @@
return n;
}
-void map__init(struct map *self, u64 start, u64 end, u64 pgoff,
- struct dso *dso)
+void map__init(struct map *self, enum map_type type,
+ u64 start, u64 end, u64 pgoff, struct dso *dso)
{
+ self->type = type;
self->start = start;
self->end = end;
self->pgoff = pgoff;
@@ -32,7 +33,8 @@
RB_CLEAR_NODE(&self->rb_node);
}
-struct map *map__new(struct mmap_event *event, char *cwd, int cwdlen)
+struct map *map__new(struct mmap_event *event, enum map_type type,
+ char *cwd, int cwdlen)
{
struct map *self = malloc(sizeof(*self));
@@ -63,7 +65,7 @@
if (dso == NULL)
goto out_delete;
- map__init(self, event->start, event->start + event->len,
+ map__init(self, type, event->start, event->start + event->len,
event->pgoff, dso);
if (self->dso == vdso || anon)
@@ -103,7 +105,7 @@
struct symbol *map__find_function(struct map *self, u64 ip,
symbol_filter_t filter)
{
- if (!self->dso->loaded) {
+ if (!dso__loaded(self->dso, self->type)) {
int nr = dso__load(self->dso, self, filter);
if (nr < 0) {
diff --git a/tools/perf/util/process_events.c b/tools/perf/util/process_events.c
index a920436..5377868 100644
--- a/tools/perf/util/process_events.c
+++ b/tools/perf/util/process_events.c
@@ -6,7 +6,7 @@
int
process_mmap_event(event_t *event, unsigned long offset, unsigned long head)
{
- struct map *map = map__new(&event->mmap, cwd, cwdlen);
+ struct map *map = map__new(&event->mmap, MAP__FUNCTION, cwd, cwdlen);
struct thread *thread = threads__findnew(event->mmap.pid);
dump_printf("%p [%p]: PERF_RECORD_MMAP %d/%d: [%p(%p) @ %p]: %s\n",
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 0b8a298..45a4a9a 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -29,7 +29,7 @@
};
static void dsos__add(struct list_head *head, struct dso *dso);
-static struct map *map__new2(u64 start, struct dso *dso);
+static struct map *map__new2(u64 start, struct dso *dso, enum map_type type);
static void kernel_maps__insert(struct map *map);
static int dso__load_kernel_sym(struct dso *self, struct map *map,
symbol_filter_t filter);
@@ -45,6 +45,16 @@
static struct rb_root kernel_maps__functions;
+bool dso__loaded(const struct dso *self, enum map_type type)
+{
+ return self->loaded & (1 << type);
+}
+
+static void dso__set_loaded(struct dso *self, enum map_type type)
+{
+ self->loaded |= (1 << type);
+}
+
static void symbols__fixup_end(struct rb_root *self)
{
struct rb_node *nd, *prevnd = rb_first(self);
@@ -387,7 +397,7 @@
if (dso == NULL)
return -1;
- map = map__new2(pos->start, dso);
+ map = map__new2(pos->start, dso, MAP__FUNCTION);
if (map == NULL) {
dso__delete(dso);
return -1;
@@ -846,7 +856,8 @@
curr_dso = dso__new(dso_name);
if (curr_dso == NULL)
goto out_elf_end;
- curr_map = map__new2(start, curr_dso);
+ curr_map = map__new2(start, curr_dso,
+ MAP__FUNCTION);
if (curr_map == NULL) {
dso__delete(curr_dso);
goto out_elf_end;
@@ -1076,7 +1087,7 @@
int ret = -1;
int fd;
- self->loaded = 1;
+ dso__set_loaded(self, map->type);
if (self->kernel)
return dso__load_kernel_sym(self, map, filter);
@@ -1275,7 +1286,7 @@
* they are loaded) and for vmlinux, where only after we load all the
* symbols we'll know where it starts and ends.
*/
-static struct map *map__new2(u64 start, struct dso *dso)
+static struct map *map__new2(u64 start, struct dso *dso, enum map_type type)
{
struct map *self = malloc(sizeof(*self));
@@ -1283,7 +1294,7 @@
/*
* ->end will be filled after we load all the symbols
*/
- map__init(self, start, 0, 0, dso);
+ map__init(self, type, start, 0, 0, dso);
}
return self;
@@ -1333,7 +1344,7 @@
if (dso == NULL)
goto out_delete_line;
- map = map__new2(start, dso);
+ map = map__new2(start, dso, MAP__FUNCTION);
if (map == NULL) {
dso__delete(dso);
goto out_delete_line;
@@ -1394,7 +1405,7 @@
if (fd < 0)
return -1;
- self->loaded = 1;
+ dso__set_loaded(self, map->type);
err = dso__load_sym(self, map, self->long_name, fd, filter, 1, 0);
close(fd);
@@ -1522,7 +1533,7 @@
if (kernel == NULL)
return -1;
- kernel_map__functions = map__new2(0, kernel);
+ kernel_map__functions = map__new2(0, kernel, MAP__FUNCTION);
if (kernel_map__functions == NULL)
goto out_delete_kernel_dso;
@@ -1533,7 +1544,7 @@
vdso = dso__new("[vdso]");
if (vdso == NULL)
goto out_delete_kernel_map;
- vdso->loaded = 1;
+ dso__set_loaded(vdso, MAP__FUNCTION);
if (sysfs__read_build_id("/sys/kernel/notes", kernel->build_id,
sizeof(kernel->build_id)) == 0)
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index fb0be9e..11d4195 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -69,10 +69,10 @@
struct symbol *(*find_function)(struct dso *, u64 ip);
u8 adjust_symbols:1;
u8 slen_calculated:1;
- u8 loaded:1;
u8 has_build_id:1;
u8 kernel:1;
unsigned char origin;
+ u8 loaded;
u8 build_id[BUILD_ID_SIZE];
u16 long_name_len;
const char *short_name;
@@ -85,6 +85,8 @@
struct symbol *dso__find_function(struct dso *self, u64 ip);
+bool dso__loaded(const struct dso *self, enum map_type type);
+
struct dso *dsos__findnew(const char *name);
int dso__load(struct dso *self, struct map *map, symbol_filter_t filter);
void dsos__fprintf(FILE *fp);