[PATCH v5] binder: transaction latency tracking for user build

Frankie Chang
2020-06-10T12:34:12Z

Frankie.Chang (3):
binder: move structs from core file to header file
binder: add trace at free transaction.
binder: add transaction latency tracer

drivers/android/Kconfig | 8 +
drivers/android/Makefile | 1 +
drivers/android/binder.c | 408 +----------------------
drivers/android/binder_internal.h | 416 ++++++++++++++++++++++++
drivers/android/binder_latency_tracer.c | 108 ++++++
drivers/android/binder_trace.h | 49 +++
6 files changed, 586 insertions(+), 404 deletions(-) create mode 100644 drivers/android/binder_latency_tracer.c

Change from v5:
- change config name to the proper one, CONFIG_BINDER_TRANSACTION_LATENCY_TRACKING.
- change tracepoint name to more descriptive one, trace_binder_txn_latency_(alloc|info|free)
- enhance some lock protection.

Change from v4:
- split up into patch series.

Change from v3:
- use tracepoints for binder_update_info and print_binder_transaction_ext,
instead of custom registration functions.

Change from v2:
- create transaction latency module to monitor slow transaction.

Change from v1:
- first patchset.