@@ -189,6 +189,7 @@ struct binder_transaction_log_entry {
int to_node;
int data_size;
int offsets_size;
+ const char *context_name;
};
struct binder_transaction_log {
int next;
@@ -216,10 +217,12 @@ static struct binder_transaction_log_entry *binder_transaction_log_add(
struct binder_context {
struct binder_node *binder_context_mgr_node;
kuid_t binder_context_mgr_uid;
+ const char *name;
};
static struct binder_context global_context = {
.binder_context_mgr_uid = INVALID_UID,
+ .name = "binder",
};
struct binder_work {
@@ -1407,6 +1410,7 @@ static void binder_transaction(struct binder_proc *proc,
e->target_handle = tr->target.handle;
e->data_size = tr->data_size;
e->offsets_size = tr->offsets_size;
+ e->context_name = proc->context->name;
if (reply) {
in_reply_to = thread->transaction_stack;
@@ -3072,8 +3076,17 @@ static int binder_open(struct inode *nodp, struct file *filp)
char strbuf[11];
snprintf(strbuf, sizeof(strbuf), "%u", proc->pid);
+ /*
+ * proc debug entries are shared between contexts, so
+ * this will fail if the process tries to open the driver
+ * again with a different context. The priting code will
+ * anyway print all contexts that a given PID has, so this
+ * is not a problem.
+ */
proc->debugfs_entry = debugfs_create_file(strbuf, S_IRUGO,
- binder_debugfs_dir_entry_proc, proc, &binder_proc_fops);
+ binder_debugfs_dir_entry_proc,
+ (void *)(unsigned long)proc->pid,
+ &binder_proc_fops);
}
return 0;
@@ -3468,6 +3481,7 @@ static void print_binder_proc(struct seq_file *m,
size_t header_pos;
seq_printf(m, "proc %d\n", proc->pid);
+ seq_printf(m, "context %s\n", proc->context->name);
header_pos = m->count;
for (n = rb_first(&proc->threads); n != NULL; n = rb_next(n))
@@ -3592,6 +3606,7 @@ static void print_binder_proc_stats(struct seq_file *m,
int count, strong, weak;
seq_printf(m, "proc %d\n", proc->pid);
+ seq_printf(m, "context %s\n", proc->context->name);
count = 0;
for (n = rb_first(&proc->threads); n != NULL; n = rb_next(n))
count++;
@@ -3699,23 +3714,18 @@ static int binder_transactions_show(struct seq_file *m, void *unused)
static int binder_proc_show(struct seq_file *m, void *unused)
{
struct binder_proc *itr;
- struct binder_proc *proc = m->private;
+ int pid = (unsigned long)m->private;
int do_lock = !binder_debug_no_lock;
- bool valid_proc = false;
if (do_lock)
binder_lock(__func__);
hlist_for_each_entry(itr, &binder_procs, proc_node) {
- if (itr == proc) {
- valid_proc = true;
- break;
+ if (itr->pid == pid) {
+ seq_puts(m, "binder proc state:\n");
+ print_binder_proc(m, itr, 1);
}
}
- if (valid_proc) {
- seq_puts(m, "binder proc state:\n");
- print_binder_proc(m, proc, 1);
- }
if (do_lock)
binder_unlock(__func__);
return 0;
@@ -3725,11 +3735,11 @@ static void print_binder_transaction_log_entry(struct seq_file *m,
struct binder_transaction_log_entry *e)
{
seq_printf(m,
- "%d: %s from %d:%d to %d:%d node %d handle %d size %d:%d\n",
+ "%d: %s from %d:%d to %d:%d context %s node %d handle %d size %d:%d\n",
e->debug_id, (e->call_type == 2) ? "reply" :
((e->call_type == 1) ? "async" : "call "), e->from_proc,
- e->from_thread, e->to_proc, e->to_thread, e->to_node,
- e->target_handle, e->data_size, e->offsets_size);
+ e->from_thread, e->to_proc, e->to_thread, e->context_name,
+ e->to_node, e->target_handle, e->data_size, e->offsets_size);
}
static int binder_transaction_log_show(struct seq_file *m, void *unused)