[PATCH 3/3] binder: filter out nodes when showing binder procs

Todd Kjos
2018-12-05T23:19:46Z

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>
---
v2: no change, just resubmitted as #3 of 3 patches instead of by itself
There is no actual dependancy on patches 1 and 2 of the series

drivers/android/binder.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 172c207fbf99d..cbaef3b0d3078 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -5440,6 +5440,9 @@ 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
--
2.20.0.rc1.387.gf8505762e3-goog