diff options
Diffstat (limited to 'tools/perf/util/symbol.c')
| -rw-r--r-- | tools/perf/util/symbol.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 3b8c0050667..6f0dd90c36c 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -2107,6 +2107,36 @@ int __machine__create_kernel_maps(struct machine *self, struct dso *kernel) return 0; } +void machine__destroy_kernel_maps(struct machine *self) +{ + enum map_type type; + + for (type = 0; type < MAP__NR_TYPES; ++type) { + struct kmap *kmap; + + if (self->vmlinux_maps[type] == NULL) + continue; + + kmap = map__kmap(self->vmlinux_maps[type]); + map_groups__remove(&self->kmaps, self->vmlinux_maps[type]); + if (kmap->ref_reloc_sym) { + /* + * ref_reloc_sym is shared among all maps, so free just + * on one of them. + */ + if (type == MAP__FUNCTION) { + free((char *)kmap->ref_reloc_sym->name); + kmap->ref_reloc_sym->name = NULL; + free(kmap->ref_reloc_sym); + } + kmap->ref_reloc_sym = NULL; + } + + map__delete(self->vmlinux_maps[type]); + self->vmlinux_maps[type] = NULL; + } +} + int machine__create_kernel_maps(struct machine *self) { struct dso *kernel = machine__create_kernel(self); @@ -2351,6 +2381,19 @@ failure: return ret; } +void machines__destroy_guest_kernel_maps(struct rb_root *self) +{ + struct rb_node *next = rb_first(self); + + while (next) { + struct machine *pos = rb_entry(next, struct machine, rb_node); + + next = rb_next(&pos->rb_node); + rb_erase(&pos->rb_node, self); + machine__delete(pos); + } +} + int machine__load_kallsyms(struct machine *self, const char *filename, enum map_type type, symbol_filter_t filter) { |