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-rw-r--r--tools/perf/util/thread.c115
1 files changed, 89 insertions, 26 deletions
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 1796625f778..2229f82cd63 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -9,17 +9,26 @@
static struct rb_root threads;
static struct thread *last_match;
+void thread__init(struct thread *self, pid_t pid)
+{
+ int i;
+ self->pid = pid;
+ self->comm = NULL;
+ for (i = 0; i < MAP__NR_TYPES; ++i) {
+ self->maps[i] = RB_ROOT;
+ INIT_LIST_HEAD(&self->removed_maps[i]);
+ }
+}
+
static struct thread *thread__new(pid_t pid)
{
struct thread *self = zalloc(sizeof(*self));
if (self != NULL) {
- self->pid = pid;
+ thread__init(self, pid);
self->comm = malloc(32);
if (self->comm)
snprintf(self->comm, 32, ":%d", self->pid);
- self->maps = RB_ROOT;
- INIT_LIST_HEAD(&self->removed_maps);
}
return self;
@@ -44,24 +53,68 @@ int thread__comm_len(struct thread *self)
return self->comm_len;
}
-static size_t thread__fprintf(struct thread *self, FILE *fp)
+static const char *map_type__name[MAP__NR_TYPES] = {
+ [MAP__FUNCTION] = "Functions",
+};
+
+static size_t __thread__fprintf_maps(struct thread *self,
+ enum map_type type, FILE *fp)
{
+ size_t printed = fprintf(fp, "%s:\n", map_type__name[type]);
struct rb_node *nd;
- struct map *pos;
- size_t ret = fprintf(fp, "Thread %d %s\nCurrent maps:\n",
- self->pid, self->comm);
- for (nd = rb_first(&self->maps); nd; nd = rb_next(nd)) {
- pos = rb_entry(nd, struct map, rb_node);
- ret += map__fprintf(pos, fp);
+ for (nd = rb_first(&self->maps[type]); nd; nd = rb_next(nd)) {
+ struct map *pos = rb_entry(nd, struct map, rb_node);
+ printed += fprintf(fp, "Map:");
+ printed += map__fprintf(pos, fp);
+ if (verbose > 1) {
+ printed += dso__fprintf(pos->dso, type, fp);
+ printed += fprintf(fp, "--\n");
+ }
}
- ret = fprintf(fp, "Removed maps:\n");
+ return printed;
+}
+
+size_t thread__fprintf_maps(struct thread *self, FILE *fp)
+{
+ size_t printed = 0, i;
+ for (i = 0; i < MAP__NR_TYPES; ++i)
+ printed += __thread__fprintf_maps(self, i, fp);
+ return printed;
+}
- list_for_each_entry(pos, &self->removed_maps, node)
- ret += map__fprintf(pos, fp);
+static size_t __thread__fprintf_removed_maps(struct thread *self,
+ enum map_type type, FILE *fp)
+{
+ struct map *pos;
+ size_t printed = 0;
+
+ list_for_each_entry(pos, &self->removed_maps[type], node) {
+ printed += fprintf(fp, "Map:");
+ printed += map__fprintf(pos, fp);
+ if (verbose > 1) {
+ printed += dso__fprintf(pos->dso, type, fp);
+ printed += fprintf(fp, "--\n");
+ }
+ }
+ return printed;
+}
- return ret;
+static size_t thread__fprintf_removed_maps(struct thread *self, FILE *fp)
+{
+ size_t printed = 0, i;
+ for (i = 0; i < MAP__NR_TYPES; ++i)
+ printed += __thread__fprintf_removed_maps(self, i, fp);
+ return printed;
+}
+
+static size_t thread__fprintf(struct thread *self, FILE *fp)
+{
+ size_t printed = fprintf(fp, "Thread %d %s\n", self->pid, self->comm);
+ printed += thread__fprintf_removed_maps(self, fp);
+ printed += fprintf(fp, "Removed maps:\n");
+ return printed + thread__fprintf_removed_maps(self, fp);
}
struct thread *threads__findnew(pid_t pid)
@@ -117,7 +170,8 @@ struct thread *register_idle_thread(void)
static void thread__remove_overlappings(struct thread *self, struct map *map)
{
- struct rb_node *next = rb_first(&self->maps);
+ struct rb_root *root = &self->maps[map->type];
+ struct rb_node *next = rb_first(root);
while (next) {
struct map *pos = rb_entry(next, struct map, rb_node);
@@ -132,13 +186,13 @@ static void thread__remove_overlappings(struct thread *self, struct map *map)
map__fprintf(pos, stderr);
}
- rb_erase(&pos->rb_node, &self->maps);
+ rb_erase(&pos->rb_node, root);
/*
* We may have references to this map, for instance in some
* hist_entry instances, so just move them to a separate
* list.
*/
- list_add_tail(&pos->node, &self->removed_maps);
+ list_add_tail(&pos->node, &self->removed_maps[map->type]);
}
}
@@ -185,12 +239,26 @@ struct map *maps__find(struct rb_root *maps, u64 ip)
void thread__insert_map(struct thread *self, struct map *map)
{
thread__remove_overlappings(self, map);
- maps__insert(&self->maps, map);
+ maps__insert(&self->maps[map->type], map);
}
-int thread__fork(struct thread *self, struct thread *parent)
+static int thread__clone_maps(struct thread *self, struct thread *parent,
+ enum map_type type)
{
struct rb_node *nd;
+ for (nd = rb_first(&parent->maps[type]); nd; nd = rb_next(nd)) {
+ struct map *map = rb_entry(nd, struct map, rb_node);
+ struct map *new = map__clone(map);
+ if (new == NULL)
+ return -ENOMEM;
+ thread__insert_map(self, new);
+ }
+ return 0;
+}
+
+int thread__fork(struct thread *self, struct thread *parent)
+{
+ int i;
if (self->comm)
free(self->comm);
@@ -198,14 +266,9 @@ int thread__fork(struct thread *self, struct thread *parent)
if (!self->comm)
return -ENOMEM;
- for (nd = rb_first(&parent->maps); nd; nd = rb_next(nd)) {
- struct map *map = rb_entry(nd, struct map, rb_node);
- struct map *new = map__clone(map);
- if (!new)
+ for (i = 0; i < MAP__NR_TYPES; ++i)
+ if (thread__clone_maps(self, parent, i) < 0)
return -ENOMEM;
- thread__insert_map(self, new);
- }
-
return 0;
}