feat(server): log tick diagnostics periodically

example/server/main.c

@@ -1,6 +1,7 @@
 #include "clock.h"
 #include "skele.h"
 #include <stk/stk.h>
+#include <stk/stk_log.h>
 
 static uint8_t running = 1;
 
@@ -10,6 +11,7 @@ int main(int argc, char *argv[])
 {
 	uint64_t tick_start;
 	uint64_t elapsed;
+	uint64_t log_start;
 
 	skele_clock_init(on_signal);
 
@@ -21,6 +23,8 @@ int main(int argc, char *argv[])
 		return 1;
 	}
 
+	log_start = skele_time_ns();
+
 	while (running) {
 		tick_start = skele_time_ns();
 
@@ -33,6 +37,16 @@ int main(int argc, char *argv[])
 			skele_sleep_ns(skele_tick_ns - elapsed);
 			skele_clock_idle_end();
 		}
+
+		if (skele_time_ns() - log_start >= 1000000000ULL) {
+			stk_log(STK_LOG_INFO,
+				"tps=%.1f work=%.2fms idle=%.2fms total=%.2fms budget=%.2fms",
+				skele_tps, skele_tick_work_time_ns / 1e6,
+				skele_tick_idle_time_ns / 1e6,
+				skele_tick_total_time_ns / 1e6,
+				skele_tick_ns / 1e6);
+			log_start = skele_time_ns();
+		}
 	}
 
 	skele_stk_teardown();