samples: tracing: add usage example for sys_trace_user_event

Add usage example for sys_trace_user_event, to demonstrate how users could add tracing functionality to their application. Signed-off-by: Daniel DeGrasse <[email protected]>
zephyrproject-rtos · Oct 3, 2024 · 99816b3 · 99816b3
1 parent ba42c6d
commit 99816b3
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/samples/subsys/tracing/src/main.c b/samples/subsys/tracing/src/main.c
@@ -27,6 +27,7 @@
 /* delay between greetings (in ms) */
 #define SLEEPTIME 500
 
+static uint32_t counter;
 
 /*
  * @param my_name      thread identification string
@@ -42,6 +43,10 @@ void helloLoop(const char *my_name,
 		/* take my semaphore */
 		k_sem_take(my_sem, K_FOREVER);
 
+		/* Provide a named trace, with the counter value */
+		sys_trace_named_event("counter_value", counter, 0);
+		counter++;
+
 		/* say "hello" */
 		tname = k_thread_name_get(k_current_get());
 		if (tname == NULL) {