#include "util.h"
#include "debug.h"
-void map_groups__init(struct map_groups *self)
+int find_all_tid(int pid, pid_t ** all_tid)
{
+ char name[256];
+ int items;
+ struct dirent **namelist = NULL;
+ int ret = 0;
int i;
- for (i = 0; i < MAP__NR_TYPES; ++i) {
- self->maps[i] = RB_ROOT;
- INIT_LIST_HEAD(&self->removed_maps[i]);
+
+ sprintf(name, "/proc/%d/task", pid);
+ items = scandir(name, &namelist, NULL, NULL);
+ if (items <= 0)
+ return -ENOENT;
+ *all_tid = malloc(sizeof(pid_t) * items);
+ if (!*all_tid) {
+ ret = -ENOMEM;
+ goto failure;
}
+
+ for (i = 0; i < items; i++)
+ (*all_tid)[i] = atoi(namelist[i]->d_name);
+
+ ret = items;
+
+failure:
+ for (i=0; i<items; i++)
+ free(namelist[i]);
+ free(namelist);
+
+ return ret;
}
static struct thread *thread__new(pid_t pid)
return self;
}
-static void map_groups__flush(struct map_groups *self)
-{
- int type;
-
- for (type = 0; type < MAP__NR_TYPES; type++) {
- struct rb_root *root = &self->maps[type];
- struct rb_node *next = rb_first(root);
-
- while (next) {
- struct map *pos = rb_entry(next, struct map, rb_node);
- next = rb_next(&pos->rb_node);
- 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[pos->type]);
- }
- }
-}
-
int thread__set_comm(struct thread *self, const char *comm)
{
int err;
return self->comm_len;
}
-size_t __map_groups__fprintf_maps(struct map_groups *self,
- enum map_type type, FILE *fp)
-{
- size_t printed = fprintf(fp, "%s:\n", map_type__name[type]);
- struct rb_node *nd;
-
- 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 > 2) {
- printed += dso__fprintf(pos->dso, type, fp);
- printed += fprintf(fp, "--\n");
- }
- }
-
- return printed;
-}
-
-size_t map_groups__fprintf_maps(struct map_groups *self, FILE *fp)
-{
- size_t printed = 0, i;
- for (i = 0; i < MAP__NR_TYPES; ++i)
- printed += __map_groups__fprintf_maps(self, i, fp);
- return printed;
-}
-
-static size_t __map_groups__fprintf_removed_maps(struct map_groups *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;
-}
-
-static size_t map_groups__fprintf_removed_maps(struct map_groups *self, FILE *fp)
-{
- size_t printed = 0, i;
- for (i = 0; i < MAP__NR_TYPES; ++i)
- printed += __map_groups__fprintf_removed_maps(self, i, fp);
- return printed;
-}
-
-static size_t map_groups__fprintf(struct map_groups *self, FILE *fp)
-{
- size_t printed = map_groups__fprintf_maps(self, fp);
- printed += fprintf(fp, "Removed maps:\n");
- return printed + map_groups__fprintf_removed_maps(self, fp);
-}
-
static size_t thread__fprintf(struct thread *self, FILE *fp)
{
return fprintf(fp, "Thread %d %s\n", self->pid, self->comm) +
- map_groups__fprintf(&self->mg, fp);
+ map_groups__fprintf(&self->mg, verbose, fp);
}
struct thread *perf_session__findnew(struct perf_session *self, pid_t pid)
return th;
}
-static int map_groups__fixup_overlappings(struct map_groups *self,
- struct map *map)
-{
- 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);
- next = rb_next(&pos->rb_node);
-
- if (!map__overlap(pos, map))
- continue;
-
- if (verbose >= 2) {
- fputs("overlapping maps:\n", stderr);
- map__fprintf(map, stderr);
- map__fprintf(pos, stderr);
- }
-
- 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[map->type]);
- /*
- * Now check if we need to create new maps for areas not
- * overlapped by the new map:
- */
- if (map->start > pos->start) {
- struct map *before = map__clone(pos);
-
- if (before == NULL)
- return -ENOMEM;
-
- before->end = map->start - 1;
- map_groups__insert(self, before);
- if (verbose >= 2)
- map__fprintf(before, stderr);
- }
-
- if (map->end < pos->end) {
- struct map *after = map__clone(pos);
-
- if (after == NULL)
- return -ENOMEM;
-
- after->start = map->end + 1;
- map_groups__insert(self, after);
- if (verbose >= 2)
- map__fprintf(after, stderr);
- }
- }
-
- return 0;
-}
-
-void maps__insert(struct rb_root *maps, struct map *map)
-{
- struct rb_node **p = &maps->rb_node;
- struct rb_node *parent = NULL;
- const u64 ip = map->start;
- struct map *m;
-
- while (*p != NULL) {
- parent = *p;
- m = rb_entry(parent, struct map, rb_node);
- if (ip < m->start)
- p = &(*p)->rb_left;
- else
- p = &(*p)->rb_right;
- }
-
- rb_link_node(&map->rb_node, parent, p);
- rb_insert_color(&map->rb_node, maps);
-}
-
-struct map *maps__find(struct rb_root *maps, u64 ip)
-{
- struct rb_node **p = &maps->rb_node;
- struct rb_node *parent = NULL;
- struct map *m;
-
- while (*p != NULL) {
- parent = *p;
- m = rb_entry(parent, struct map, rb_node);
- if (ip < m->start)
- p = &(*p)->rb_left;
- else if (ip > m->end)
- p = &(*p)->rb_right;
- else
- return m;
- }
-
- return NULL;
-}
-
void thread__insert_map(struct thread *self, struct map *map)
{
- map_groups__fixup_overlappings(&self->mg, map);
+ map_groups__fixup_overlappings(&self->mg, map, verbose, stderr);
map_groups__insert(&self->mg, map);
}
-/*
- * XXX This should not really _copy_ te maps, but refcount them.
- */
-static int map_groups__clone(struct map_groups *self,
- struct map_groups *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;
- map_groups__insert(self, new);
- }
- return 0;
-}
-
int thread__fork(struct thread *self, struct thread *parent)
{
int i;
return ret;
}
-
-struct symbol *map_groups__find_symbol(struct map_groups *self,
- enum map_type type, u64 addr,
- symbol_filter_t filter)
-{
- struct map *map = map_groups__find(self, type, addr);
-
- if (map != NULL)
- return map__find_symbol(map, map->map_ip(map, addr), filter);
-
- return NULL;
-}
git.openpandora.org / pandora-kernel.git / blobdiff