Klagarge/BikeComputer
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ADD cpu logger

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This commit is contained in:
Rémi Heredero 2024-11-17 18:25:48 +01:00
parent 4c174ce444
commit c66c8a0963
4 changed files with 20 additions and 9 deletions
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4
README.md
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@ -22,3 +22,7 @@ Test sensor libraries :
```terminal ```terminal
mbed test -m DISCO_H747I -t GCC_ARM -n advdembsof_library-tests-sensors-hdc1000 --compile --run mbed test -m DISCO_H747I -t GCC_ARM -n advdembsof_library-tests-sensors-hdc1000 --compile --run
``` ```
# Some questions
## If you print CPU statistics at the end of every major cycle (in the super-loop), what CPU usage do you observe? How can you explain the observed CPU uptime?
We observe a 100% usage because on each CPU cycle it compare if time is done.

1
mbed_app.json
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@ -14,6 +14,7 @@
"platform.stdio-baud-rate": 115200, "platform.stdio-baud-rate": 115200,
"platform.default-serial-baud-rate": 115200, "platform.default-serial-baud-rate": 115200,
"platform.stdio-buffered-serial": true, "platform.stdio-buffered-serial": true,
"platform.all-stats-enabled": true,
"target.printf_lib":"minimal-printf", "target.printf_lib":"minimal-printf",
"platform.minimal-printf-enable-floating-point": true, "platform.minimal-printf-enable-floating-point": true,
"platform.minimal-printf-set-floating-point-max-decimals": 2 "platform.minimal-printf-set-floating-point-max-decimals": 2

20
static_scheduling/bike_system.cpp
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@ -54,13 +54,13 @@ static constexpr std::chrono::milliseconds kDisplayTask2Period = 1600ms;
static constexpr std::chrono::milliseconds kDisplayTask2Delay = 1200ms; static constexpr std::chrono::milliseconds kDisplayTask2Delay = 1200ms;
static constexpr std::chrono::milliseconds kDisplayTask2ComputationTime = 100ms; static constexpr std::chrono::milliseconds kDisplayTask2ComputationTime = 100ms;
// TODO: implement the constructor
BikeSystem::BikeSystem() : BikeSystem::BikeSystem() :
_gearDevice(_timer), _gearDevice(_timer),
_pedalDevice(_timer), _pedalDevice(_timer),
_resetDevice(_timer), _resetDevice(_timer),
_speedometer(_timer) _speedometer(_timer),
_cpuLogger(_timer)
{ {
} }
@ -70,14 +70,10 @@ void BikeSystem::start() {
init(); init();
// TODO: implement the super-loop based for implementing the appropriate schedule
// Done
while (true) { while (true) {
auto startTime = _timer.elapsed_time(); auto startTime = _timer.elapsed_time();
// TODO: implement calls to different tasks based on computed schedule gearTask(); // 100ms : 0ms -> 100ms
// Done
gearTask(); // 100ms : 0ms -> 100ms
speedDistanceTask(); // 200ms : 100ms -> 300ms speedDistanceTask(); // 200ms : 100ms -> 300ms
displayTask1(); // 200ms : 300ms -> 500ms displayTask1(); // 200ms : 300ms -> 500ms
speedDistanceTask(); // 200ms : 500ms -> 700ms speedDistanceTask(); // 200ms : 500ms -> 700ms
@ -106,6 +102,10 @@ void BikeSystem::start() {
break; break;
} }
#if !defined(MBED_TEST_MODE)
_cpuLogger.printStats();
#endif
} }
} }
@ -144,7 +144,8 @@ void BikeSystem::gearTask() {
_currentGearSize = _gearDevice.getCurrentGearSize(); _currentGearSize = _gearDevice.getCurrentGearSize();
_taskLogger.logPeriodAndExecutionTime( _taskLogger.logPeriodAndExecutionTime(
_timer, advembsof::TaskLogger::kGearTaskIndex, taskStartTime); _timer, advembsof::TaskLogger::kGearTaskIndex, taskStartTime
);
} }
void BikeSystem::speedDistanceTask() { void BikeSystem::speedDistanceTask() {
@ -159,7 +160,8 @@ void BikeSystem::speedDistanceTask() {
_traveledDistance = _speedometer.getDistance(); _traveledDistance = _speedometer.getDistance();
_taskLogger.logPeriodAndExecutionTime( _taskLogger.logPeriodAndExecutionTime(
_timer, advembsof::TaskLogger::kSpeedTaskIndex, taskStartTime); _timer, advembsof::TaskLogger::kSpeedTaskIndex, taskStartTime
);
} }
void BikeSystem::temperatureTask() { void BikeSystem::temperatureTask() {

4
static_scheduling/bike_system.hpp
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@ -27,6 +27,7 @@
// from advembsof // from advembsof
#include "display_device.hpp" #include "display_device.hpp"
#include "task_logger.hpp" #include "task_logger.hpp"
#include "cpu_logger.hpp"
// from common // from common
#include "sensor_device.hpp" #include "sensor_device.hpp"
@ -93,6 +94,9 @@ class BikeSystem {
// used for logging task info // used for logging task info
advembsof::TaskLogger _taskLogger; advembsof::TaskLogger _taskLogger;
// cpu logger to measure cpu usage
advembsof::CPULogger _cpuLogger;
}; };
} // namespace static_scheduling } // namespace static_scheduling