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binder: filter out nodes when showing binder procs
authorTodd Kjos <tkjos@android.com>
Wed, 5 Dec 2018 23:19:26 +0000 (15:19 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 6 Dec 2018 14:44:14 +0000 (15:44 +0100)
When dumping out binder transactions via a debug node,
the output is too verbose if a process has many nodes.
Change the output for transaction dumps to only display
nodes with pending async transactions.

Signed-off-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/android/binder.c

index 8af984e..d653e8a 100644 (file)
@@ -5418,6 +5418,9 @@ static void print_binder_proc(struct seq_file *m,
        for (n = rb_first(&proc->nodes); n != NULL; n = rb_next(n)) {
                struct binder_node *node = rb_entry(n, struct binder_node,
                                                    rb_node);
+               if (!print_all && !node->has_async_transaction)
+                       continue;
+
                /*
                 * take a temporary reference on the node so it
                 * survives and isn't removed from the tree