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perf tools: Release session and symbol resources on exit

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So that we reduce the noise when looking for leaks using tools such as
valgrind.

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
2010-07-30 18:31:28 -03:00
parent 591765fdaf
commit d65a458b34
7 changed files with 70 additions and 3 deletions
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26
tools/perf/util/session.c
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@ -124,9 +124,35 @@ out_delete:
return NULL;
}
static void perf_session__delete_dead_threads(struct perf_session *self)
{
struct thread *n, *t;
list_for_each_entry_safe(t, n, &self->dead_threads, node) {
list_del(&t->node);
thread__delete(t);
}
}
static void perf_session__delete_threads(struct perf_session *self)
{
struct rb_node *nd = rb_first(&self->threads);
while (nd) {
struct thread *t = rb_entry(nd, struct thread, rb_node);
rb_erase(&t->rb_node, &self->threads);
nd = rb_next(nd);
thread__delete(t);
}
}
void perf_session__delete(struct perf_session *self)
{
perf_header__exit(&self->header);
perf_session__delete_dead_threads(self);
perf_session__delete_threads(self);
machine__exit(&self->host_machine);
close(self->fd);
free(self);
}