From a096b348358c6021c1eb6bbd26d345d04879be0f Mon Sep 17 00:00:00 2001
From: Anas Nashif <anas.nashif@intel.com>
Date: Sat, 5 Jul 2025 08:28:20 -0400
Subject: [PATCH] tracing: ctf: trace k_sleep()

Trace sleep events in CTF:

[19:00:00.181375400] (+0.000044700) k_sleep_enter: ...
..
[19:00:00.290203800] (+0.000031500) k_sleep_exit: ...

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
---
 subsys/tracing/ctf/ctf_top.c     | 15 +++++++++++++++
 subsys/tracing/ctf/ctf_top.h     | 12 ++++++++++++
 subsys/tracing/ctf/tracing_ctf.h |  8 ++++++--
 3 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/subsys/tracing/ctf/ctf_top.c b/subsys/tracing/ctf/ctf_top.c
index 753c1693111..23fc6a41cfa 100644
--- a/subsys/tracing/ctf/ctf_top.c
+++ b/subsys/tracing/ctf/ctf_top.c
@@ -77,6 +77,21 @@ void sys_trace_k_thread_priority_set(struct k_thread *thread)
 				    thread->base.prio, name);
 }
 
+void sys_trace_k_thread_sleep_enter(k_timeout_t timeout)
+{
+	ctf_top_thread_sleep_enter(
+		k_ticks_to_us_floor32((uint32_t)timeout.ticks)
+		);
+}
+
+void sys_trace_k_thread_sleep_exit(k_timeout_t timeout, int ret)
+{
+	ctf_top_thread_sleep_exit(
+		k_ticks_to_us_floor32((uint32_t)timeout.ticks),
+		(uint32_t)ret
+		);
+}
+
 void sys_trace_k_thread_create(struct k_thread *thread, size_t stack_size, int prio)
 {
 	ctf_bounded_string_t name = { "unknown" };
diff --git a/subsys/tracing/ctf/ctf_top.h b/subsys/tracing/ctf/ctf_top.h
index 725602d41a9..43d11774ef9 100644
--- a/subsys/tracing/ctf/ctf_top.h
+++ b/subsys/tracing/ctf/ctf_top.h
@@ -186,6 +186,8 @@ typedef enum {
 	CTF_EVENT_GPIO_GET_PENDING_INT_EXIT = 0x7C,
 	CTF_EVENT_GPIO_FIRE_CALLBACKS_ENTER = 0x7D,
 	CTF_EVENT_GPIO_FIRE_CALLBACK = 0x7E,
+	CTF_EVENT_THREAD_SLEEP_ENTER = 0x7F,
+	CTF_EVENT_THREAD_SLEEP_EXIT = 0x80,
 } ctf_event_t;
 
 typedef struct {
@@ -213,6 +215,16 @@ static inline void ctf_top_thread_priority_set(uint32_t thread_id, int8_t prio,
 		  thread_id, name, prio);
 }
 
+static inline void ctf_top_thread_sleep_enter(uint32_t timeout)
+{
+	CTF_EVENT(CTF_LITERAL(uint8_t, CTF_EVENT_THREAD_SLEEP_ENTER), timeout);
+}
+
+static inline void ctf_top_thread_sleep_exit(uint32_t timeout, int32_t ret)
+{
+	CTF_EVENT(CTF_LITERAL(uint8_t, CTF_EVENT_THREAD_SLEEP_EXIT), timeout, ret);
+}
+
 static inline void ctf_top_thread_create(uint32_t thread_id, int8_t prio,
 					 ctf_bounded_string_t name)
 {
diff --git a/subsys/tracing/ctf/tracing_ctf.h b/subsys/tracing/ctf/tracing_ctf.h
index 35104679a18..94eb6b1bcfd 100644
--- a/subsys/tracing/ctf/tracing_ctf.h
+++ b/subsys/tracing/ctf/tracing_ctf.h
@@ -31,8 +31,12 @@ extern "C" {
 #define sys_port_trace_k_thread_join_enter(thread, timeout)
 #define sys_port_trace_k_thread_join_blocking(thread, timeout)
 #define sys_port_trace_k_thread_join_exit(thread, timeout, ret)
-#define sys_port_trace_k_thread_sleep_enter(timeout)
-#define sys_port_trace_k_thread_sleep_exit(timeout, ret)
+
+#define sys_port_trace_k_thread_sleep_enter(timeout)                           \
+	sys_trace_k_thread_sleep_enter(timeout)
+#define sys_port_trace_k_thread_sleep_exit(timeout, ret)                       \
+	sys_trace_k_thread_sleep_exit(timeout, ret)
+
 #define sys_port_trace_k_thread_msleep_enter(ms)
 #define sys_port_trace_k_thread_msleep_exit(ms, ret)
 #define sys_port_trace_k_thread_usleep_enter(us)