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perf symbols: Precisely specify if dso->{long,short}_name should be freed

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Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2010-07-29 15:11:30 -03:00
parent 39d17dacb3
commit 6e406257b3
3 changed files with 8 additions and 2 deletions
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1
tools/perf/util/event.c
View file

@ -456,6 +456,7 @@ static int event__process_kernel_mmap(event_t *self,
goto out_problem;
map->dso->short_name = name;
map->dso->sname_alloc = 1;
map->end = map->start + self->mmap.len;
} else if (is_kernel_mmap) {
const char *symbol_name = (self->mmap.filename +

5
tools/perf/util/symbol.c
View file

@ -224,7 +224,9 @@ void dso__delete(struct dso *self)
int i;
for (i = 0; i < MAP__NR_TYPES; ++i)
symbols__delete(&self->symbols[i]);
if (self->long_name != self->name)
if (self->sname_alloc)
free((char *)self->short_name);
if (self->lname_alloc)
free(self->long_name);
free(self);
}
@ -1530,6 +1532,7 @@ static int map_groups__set_modules_path_dir(struct map_groups *self,
if (long_name == NULL)
goto failure;
dso__set_long_name(map->dso, long_name);
map->dso->lname_alloc = 1;
dso__kernel_module_get_build_id(map->dso, "");
}
}

4
tools/perf/util/symbol.h
View file

@ -126,12 +126,14 @@ struct dso {
struct list_head node;
struct rb_root symbols[MAP__NR_TYPES];
struct rb_root symbol_names[MAP__NR_TYPES];
enum dso_kernel_type kernel;
u8 adjust_symbols:1;
u8 slen_calculated:1;
u8 has_build_id:1;
enum dso_kernel_type kernel;
u8 hit:1;
u8 annotate_warned:1;
u8 sname_alloc:1;
u8 lname_alloc:1;
unsigned char origin;
u8 sorted_by_name;
u8 loaded;