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SubjectRe: [PATCH v2 1/5] binder: add failed transaction logging info
On Fri, Apr 29, 2022 at 4:56 PM Carlos Llamas <cmllamas@google.com> wrote:
>
> Make sure we log relevant information about failed transactions such as
> the target proc/thread, call type and transaction id. These details are
> particularly important when debugging userspace issues.
>
> Signed-off-by: Carlos Llamas <cmllamas@google.com>

Acked-by: Todd Kjos <tkjos@google.com>

> ---
> drivers/android/binder.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/android/binder.c b/drivers/android/binder.c
> index 8351c5638880..f0885baa53a1 100644
> --- a/drivers/android/binder.c
> +++ b/drivers/android/binder.c
> @@ -3459,8 +3459,12 @@ static void binder_transaction(struct binder_proc *proc,
> }
>
> binder_debug(BINDER_DEBUG_FAILED_TRANSACTION,
> - "%d:%d transaction failed %d/%d, size %lld-%lld line %d\n",
> - proc->pid, thread->pid, return_error, return_error_param,
> + "%d:%d transaction %s to %d:%d failed %d/%d/%d, size %lld-%lld line %d\n",
> + proc->pid, thread->pid, reply ? "reply" :
> + (tr->flags & TF_ONE_WAY ? "async" : "call"),
> + target_proc ? target_proc->pid : 0,
> + target_thread ? target_thread->pid : 0,
> + t_debug_id, return_error, return_error_param,
> (u64)tr->data_size, (u64)tr->offsets_size,
> return_error_line);
>
> --
> 2.36.0.464.gb9c8b46e94-goog
>

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