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improved stability of cpu usage calculation

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This commit is contained in:
Bernd Herzog
2023-04-24 13:00:34 +02:00
parent 29b7a5ee56
commit 948d8d947e
6 changed files with 102 additions and 26 deletions
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1
firmware/baseband/CMakeLists.txt
View File

@@ -139,6 +139,7 @@ set(CPPSRC
${COMMON}/chibios_cpp.cpp
debug.cpp
${COMMON}/gcc.cpp
${COMMON}/performance_counter.cpp
tone_gen.cpp
)

25
firmware/baseband/debug.cpp
View File

@@ -26,6 +26,7 @@
#include <hal.h>
#include "portapack_shared_memory.hpp"
#include "performance_counter.hpp"
void write_m4_panic_msg(const char *panic_message, struct extctx *ctxp) {
if (ctxp == nullptr) {
@@ -120,29 +121,25 @@ void update_performance_counters() {
auto performance_counter_active = shared_memory.request_m4_performance_counter;
if (performance_counter_active == 0x00)
return;
static bool last_paint_state = false;
if ((((chTimeNow()>>10) & 0x01) == 0x01) == last_paint_state)
return;
volatile auto idle_thread = chSysGetIdleThread();
if (chThdGetTicks(idle_thread) > 0x10000000) {
return;
}
idle_thread = nullptr;
last_paint_state = !last_paint_state;
auto now = chTimeNow();
auto idle_ticks = chThdGetTicks(chSysGetIdleThread());
static systime_t last_time;
static systime_t last_last_time;
auto time_elapsed = now - last_time;
auto idle_elapsed = idle_ticks - last_last_time;
last_time = now;
last_last_time = idle_ticks;
auto cpu_usage = (time_elapsed - idle_elapsed) / 10;
auto utilisation = get_cpu_utilisation_in_percent();
auto free_stack = (uint32_t)get_free_stack_space();
auto free_heap = chCoreStatus();
shared_memory.m4_cpu_usage = cpu_usage;
shared_memory.m4_cpu_usage = utilisation;
shared_memory.m4_stack_usage = free_stack;
shared_memory.m4_heap_usage = free_heap;
}