px4_work_queue: command line status output and shutdown empty queues

* adds a work_queue systemcmd that will bring a tree view of all active work queues and work items
 * WorkQueues now track attached WorkItems and will shutdown when the last WorkItem is detached

src/drivers/distance_sensor/cm8jl65/CM8JL65.cpp

@@ -84,7 +84,7 @@ static constexpr unsigned char crc_lsb_vector[] = {
 };
 
 CM8JL65::CM8JL65(const char *port, uint8_t rotation) :
-	ScheduledWorkItem(px4::wq_configurations::hp_default),
+	ScheduledWorkItem(MODULE_NAME, px4::wq_configurations::hp_default),
 	_px4_rangefinder(0 /* TODO: device ids */, ORB_PRIO_DEFAULT, rotation)
 {
 	// Store the port name.

src/drivers/distance_sensor/leddar_one/leddar_one.cpp

@@ -174,7 +174,7 @@ private:
 
 LeddarOne::LeddarOne(const char *device_path, const char *serial_port, uint8_t device_orientation):
 	CDev(device_path),
-	ScheduledWorkItem(px4::wq_configurations::hp_default),
+	ScheduledWorkItem(MODULE_NAME, px4::wq_configurations::hp_default),
 	_px4_rangefinder(0 /* device id not yet used */, ORB_PRIO_DEFAULT, device_orientation)
 {
 	_serial_port = strdup(serial_port);

src/drivers/distance_sensor/ll40ls/LidarLite.cpp

@@ -52,7 +52,6 @@ LidarLite::LidarLite(const uint8_t rotation) :
 LidarLite::~LidarLite()
 {
 	perf_free(_sample_perf);
-	perf_free(_sample_interval_perf);
 	perf_free(_comms_errors);
 	perf_free(_sensor_resets);
 	perf_free(_sensor_zero_resets);
@@ -62,7 +61,6 @@ void
 LidarLite::print_info()
 {
 	perf_print_counter(_sample_perf);
-	perf_print_counter(_sample_interval_perf);
 	perf_print_counter(_comms_errors);
 	perf_print_counter(_sensor_resets);
 	perf_print_counter(_sensor_zero_resets);

src/drivers/distance_sensor/ll40ls/LidarLite.h

@@ -90,7 +90,6 @@ protected:
 	PX4Rangefinder	_px4_rangefinder;
 
 	perf_counter_t _comms_errors{perf_alloc(PC_COUNT, "ll40ls: comms errors")};
-	perf_counter_t _sample_interval_perf{perf_alloc(PC_ELAPSED, "ll40ls: interval")};
 	perf_counter_t _sample_perf{perf_alloc(PC_ELAPSED, "ll40ls: read")};
 	perf_counter_t _sensor_resets{perf_alloc(PC_COUNT, "ll40ls: resets")};
 	perf_counter_t _sensor_zero_resets{perf_alloc(PC_COUNT, "ll40ls: zero resets")};

src/drivers/distance_sensor/ll40ls/LidarLiteI2C.cpp

@@ -44,7 +44,7 @@
 LidarLiteI2C::LidarLiteI2C(const int bus, const uint8_t rotation, const int address) :
 	LidarLite(rotation),
 	I2C("LL40LS", nullptr, bus, address, 100000),
-	ScheduledWorkItem(px4::device_bus_to_wq(get_device_id()))
+	ScheduledWorkItem(MODULE_NAME, px4::device_bus_to_wq(get_device_id()))
 {
 	// up the retries since the device misses the first measure attempts
 	_retries = 3;

src/drivers/distance_sensor/ll40ls/LidarLitePWM.cpp

@@ -46,7 +46,7 @@
 
 LidarLitePWM::LidarLitePWM(const uint8_t rotation) :
 	LidarLite(rotation),
-	ScheduledWorkItem(px4::wq_configurations::hp_default)
+	ScheduledWorkItem(MODULE_NAME, px4::wq_configurations::hp_default)
 {
 }
 

src/drivers/distance_sensor/mappydot/MappyDot.cpp

@@ -225,7 +225,7 @@ private:
 MappyDot::MappyDot(const int bus) :
 	I2C("MappyDot", MAPPYDOT_DEVICE_PATH, bus, MAPPYDOT_BASE_ADDR, MAPPYDOT_BUS_CLOCK),
 	ModuleParams(nullptr),
-	ScheduledWorkItem(px4::device_bus_to_wq(get_device_id()))
+	ScheduledWorkItem(MODULE_NAME, px4::device_bus_to_wq(get_device_id()))
 {}
 
 MappyDot::~MappyDot()

src/drivers/distance_sensor/mb12xx/mb12xx.cpp

@@ -181,7 +181,7 @@ private:
 MB12XX::MB12XX(const int bus) :
 	I2C("MB12xx", MB12XX_DEVICE_PATH, bus, MB12XX_BASE_ADDR, MB12XX_BUS_SPEED),
 	ModuleParams(nullptr),
-	ScheduledWorkItem(px4::device_bus_to_wq(get_device_id()))
+	ScheduledWorkItem(MODULE_NAME, px4::device_bus_to_wq(get_device_id()))
 {
 }
 

src/drivers/distance_sensor/sf0x/sf0x.cpp

@@ -157,7 +157,7 @@ extern "C" __EXPORT int sf0x_main(int argc, char *argv[]);
 
 SF0X::SF0X(const char *port, uint8_t rotation) :
 	CDev(RANGE_FINDER0_DEVICE_PATH),
-	ScheduledWorkItem(px4::wq_configurations::hp_default),
+	ScheduledWorkItem(MODULE_NAME, px4::wq_configurations::hp_default),
 	_rotation(rotation),
 	_min_distance(0.30f),
 	_max_distance(40.0f),

src/drivers/distance_sensor/sf1xx/sf1xx.cpp

@@ -167,7 +167,7 @@ extern "C" __EXPORT int sf1xx_main(int argc, char *argv[]);
 
 SF1XX::SF1XX(uint8_t rotation, int bus, int address) :
 	I2C("SF1XX", SF1XX_DEVICE_PATH, bus, address, 400000),
-	ScheduledWorkItem(px4::device_bus_to_wq(get_device_id())),
+	ScheduledWorkItem(MODULE_NAME, px4::device_bus_to_wq(get_device_id())),
 	_rotation(rotation)
 {
 }

src/drivers/distance_sensor/srf02/srf02.cpp

@@ -172,7 +172,7 @@ extern "C" __EXPORT int srf02_main(int argc, char *argv[]);
 
 SRF02::SRF02(uint8_t rotation, int bus, int address) :
 	I2C("SRF02", SRF02_DEVICE_PATH, bus, address, 100000),
-	ScheduledWorkItem(px4::device_bus_to_wq(get_device_id())),
+	ScheduledWorkItem(MODULE_NAME, px4::device_bus_to_wq(get_device_id())),
 	_rotation(rotation)
 {
 }

src/drivers/distance_sensor/teraranger/teraranger.cpp

@@ -192,7 +192,7 @@ static uint8_t crc8(uint8_t *p, uint8_t len)
 
 TERARANGER::TERARANGER(const int bus, const uint8_t orientation, const int address) :
 	I2C("TERARANGER", TERARANGER_DEVICE_PATH, bus, address, 100000),
-	ScheduledWorkItem(px4::device_bus_to_wq(get_device_id())),
+	ScheduledWorkItem(MODULE_NAME, px4::device_bus_to_wq(get_device_id())),
 	_orientation(orientation)
 {
 	// up the retries since the device misses the first measure attempts

src/drivers/distance_sensor/tfmini/TFMINI.cpp

@@ -34,7 +34,7 @@
 #include "TFMINI.hpp"
 
 TFMINI::TFMINI(const char *port, uint8_t rotation) :
-	ScheduledWorkItem(px4::wq_configurations::hp_default),
+	ScheduledWorkItem(MODULE_NAME, px4::wq_configurations::hp_default),
 	_px4_rangefinder(0 /* TODO: device id */, ORB_PRIO_DEFAULT, rotation)
 {
 	// store port name

src/drivers/distance_sensor/ulanding/ulanding.cpp

@@ -172,7 +172,7 @@ private:
 
 Radar::Radar(const char *port, uint8_t rotation) :
 	CDev(RANGE_FINDER0_DEVICE_PATH),
-	ScheduledWorkItem(px4::wq_configurations::hp_default),
+	ScheduledWorkItem(MODULE_NAME, px4::wq_configurations::hp_default),
 	_rotation(rotation)
 {
 	/* store port name */

src/drivers/distance_sensor/vl53lxx/vl53lxx.cpp

@@ -167,7 +167,7 @@ private:
 
 VL53LXX::VL53LXX(uint8_t rotation, int bus, int address) :
 	I2C("VL53LXX", VL53LXX_DEVICE_PATH, bus, address, 400000),
-	ScheduledWorkItem(px4::device_bus_to_wq(get_device_id())),
+	ScheduledWorkItem(MODULE_NAME, px4::device_bus_to_wq(get_device_id())),
 	_rotation(rotation)
 {
 	// Allow 3 retries as the device typically misses the first measure attempts.