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| author | Chuang Zhang <zhangchuang3@xiaomi.com> | 2023-04-24 19:05:15 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-05-13 20:38:12 +0900 |
| commit | c21c0f9a20a963f5a1874657a4e3d657503f7815 (patch) | |
| tree | d103fe55a279d7392e24d1171b79484b5e9c433c /drivers/android/binder.c | |
| parent | 800936191a26a5aba5caa3cbd70a4154b45eb94a (diff) | |
| download | linux-stable-c21c0f9a20a963f5a1874657a4e3d657503f7815.tar.gz linux-stable-c21c0f9a20a963f5a1874657a4e3d657503f7815.tar.bz2 linux-stable-c21c0f9a20a963f5a1874657a4e3d657503f7815.zip | |
Binder: Add async from to transaction record
This commit adds support for getting the pid and tid information of
the sender for asynchronous transfers in binderfs transfer records.
In previous versions, it was not possible to obtain this information
from the transfer records. While this information may not be necessary
for all use cases, it can be useful in some scenarios.
Signed-off-by: Chuang Zhang <zhangchuang3@xiaomi.com>
Acked-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/0c1e8bd37c68dd1518bb737b06b768cde9659386.1682333709.git.zhangchuang3@xiaomi.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/android/binder.c')
| -rw-r--r-- | drivers/android/binder.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/android/binder.c b/drivers/android/binder.c index b6413652906e..6674619845e0 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -3172,6 +3172,8 @@ static void binder_transaction(struct binder_proc *proc, t->from = thread; else t->from = NULL; + t->from_pid = proc->pid; + t->from_tid = thread->pid; t->sender_euid = task_euid(proc->tsk); t->to_proc = target_proc; t->to_thread = target_thread; @@ -5940,8 +5942,8 @@ static void print_binder_transaction_ilocked(struct seq_file *m, seq_printf(m, "%s %d: %pK from %d:%d to %d:%d code %x flags %x pri %ld r%d elapsed %lldms", prefix, t->debug_id, t, - t->from ? t->from->proc->pid : 0, - t->from ? t->from->pid : 0, + t->from_pid, + t->from_tid, to_proc ? to_proc->pid : 0, t->to_thread ? t->to_thread->pid : 0, t->code, t->flags, t->priority, t->need_reply, |