Merge "Print HwBinder thread performance to dumpsys" (48b856a3) · Commits · e / os / android_packages_modules_Bluetooth

system/btif/src/bluetooth.cc

+2 −0

Original line number	Diff line number	Diff line
		@@ -72,6 +72,7 @@
		#include "osi/include/osi.h"
		#include "osi/include/wakelock.h"
		#include "stack/gatt/connection_manager.h"
		#include "stack/include/btu.h"
		#include "stack_manager.h"

		using bluetooth::hearing_aid::HearingAidInterface;
		@@ -319,6 +320,7 @@ static void dump(int fd, const char** arguments) {
		btif_debug_av_dump(fd);
		bta_debug_av_dump(fd);
		stack_debug_avdtp_api_dump(fd);
		stack_debug_hwbinder_thread_dump(fd);
		bluetooth::avrcp::AvrcpService::DebugDump(fd);
		btif_debug_config_dump(fd);
		BTA_HfClientDumpStatistics(fd);

system/stack/btu/btu_task.cc

+65 −0

Original line number	Diff line number	Diff line
		@@ -29,6 +29,7 @@
		#include "btif/include/btif_common.h"
		#include "common/message_loop_thread.h"
		#include "common/once_timer.h"
		#include "common/time_util.h"
		#include "osi/include/osi.h"
		#include "stack/btm/btm_int.h"
		#include "stack/include/btu.h"
		@@ -46,6 +47,39 @@
		using bluetooth::common::MessageLoopThread;
		using bluetooth::common::OnceTimer;

		/* Define utils for HwBinder timer dumpsys */
		typedef struct {
		uint64_t counter_5ms = 0;
		uint64_t counter_20ms = 0;
		uint64_t counter_50ms = 0;
		uint64_t counter_100ms = 0;
		uint64_t counter_250ms = 0;
		uint64_t counter_max_ms = 0;
		void addTime(uint64_t time) {
		if (time < 5) {
		counter_5ms++;
		} else if (time < 20) {
		counter_20ms++;
		} else if (time < 50) {
		counter_50ms++;
		} else if (time < 100) {
		counter_100ms++;
		} else if (time < 250) {
		counter_250ms++;
		} else {
		counter_max_ms++;
		}
		}
		} hwbinder_timer_collector_t;

		typedef struct {
		uint64_t start_time_ms;
		std::string from_here;
		} hwbinder_timestamp_t;

		std::map<std::string, hwbinder_timer_collector_t> timer_map;
		hwbinder_timestamp_t hwbinder_timestamp;

		/* Define BTU storage area */
		uint8_t btu_trace_level = HCI_INITIAL_TRACE_LEVEL;

		@@ -118,6 +152,10 @@ void main_thread_hwbinder_timer_start(const base::Location& from_here) {
		base::TimeDelta::FromMilliseconds(HWBINDER_TIMEOUT_MS))) {
		LOG(FATAL) << __func__ << ": failed from " << from_here.ToString();
		}

		hwbinder_timestamp.start_time_ms =
		bluetooth::common::time_get_os_boottime_ms();
		hwbinder_timestamp.from_here = from_here.ToString();
		}

		void main_thread_hwbinder_timer_stop() {
		@@ -125,6 +163,33 @@ void main_thread_hwbinder_timer_stop() {
		LOG(FATAL) << __func__ << ": hwbinder_timer is not scheduled!";
		}
		hwbinder_timer.CancelAndWait();

		uint64_t delta_time = bluetooth::common::time_get_os_boottime_ms() -
		hwbinder_timestamp.start_time_ms;
		auto it = timer_map.find(hwbinder_timestamp.from_here);
		if (it == timer_map.end()) {
		hwbinder_timer_collector_t collector;
		collector.addTime(delta_time);
		timer_map.emplace(hwbinder_timestamp.from_here, collector);
		} else {
		it->second.addTime(delta_time);
		}
		}

		void stack_debug_hwbinder_thread_dump(int fd) {
		dprintf(fd, "\nHwBinder Thread Timer:\n");
		for (auto it = timer_map.begin(); it != timer_map.end(); it++) {
		dprintf(fd, " %s:\n", it->first.c_str());
		std::stringstream ss;
		ss << " Invoke Counts (5ms/20ms/50ms/100ms/250ms/Over 250ms) : "
		<< std::to_string(it->second.counter_5ms) << " / "
		<< std::to_string(it->second.counter_20ms) << " / "
		<< std::to_string(it->second.counter_50ms) << " / "
		<< std::to_string(it->second.counter_100ms) << " / "
		<< std::to_string(it->second.counter_250ms) << " / "
		<< std::to_string(it->second.counter_max_ms);
		dprintf(fd, "%s\n", ss.str().c_str());
		}
		}

		void btu_task_start_up(UNUSED_ATTR void* context) {

system/stack/include/btu.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -64,6 +64,7 @@ bt_status_t do_in_main_thread(const base::Location& from_here,
		base::OnceClosure task);
		void main_thread_hwbinder_timer_start(const base::Location& from_here);
		void main_thread_hwbinder_timer_stop();
		void stack_debug_hwbinder_thread_dump(int fd);

		void BTU_StartUp(void);
		void BTU_ShutDown(void);