From a06a75e50cca06484404e0e85c56ca6a36b41822 Mon Sep 17 00:00:00 2001
From: majingyun <majingyun@lixiang.com>
Date: Tue, 13 May 2025 19:28:35 +0800
Subject: [PATCH] driver/note: To support clock_gettime for CPU sleep scenario

Signed-off-by: Majingyun <majingyun@lixiang.com>
---
 drivers/note/Kconfig          | 13 +++++++++++++
 drivers/note/note_driver.c    | 10 ++++++++++
 drivers/note/noteram_driver.c | 10 ++++++++++
 3 files changed, 33 insertions(+)

diff --git a/drivers/note/Kconfig b/drivers/note/Kconfig
index d9f8ebf3cb9..04e047e64f9 100644
--- a/drivers/note/Kconfig
+++ b/drivers/note/Kconfig
@@ -36,6 +36,19 @@ config DRIVERS_NOTECTL
 		If this option is selected, the instrumentation filter control device
 		/dev/notectl is provided.
 
+config NOTE_GET_PERF_TIME
+	bool "Note get time config"
+	default y
+	---help---
+		If this option is selected, then note get time from perf time
+
+config NOTE_GET_CLOCK_TIME
+	bool "Note get time config"
+	default n
+	depends on !NOTE_GET_PERF_TIME
+	---help---
+		If this option is selected, then note get time from clock time
+
 config DRIVERS_NOTERAM
 	bool "Note RAM driver"
 	default y
diff --git a/drivers/note/note_driver.c b/drivers/note/note_driver.c
index e4f702cf3d7..b2bcf9e0d66 100644
--- a/drivers/note/note_driver.c
+++ b/drivers/note/note_driver.c
@@ -217,7 +217,17 @@ static void note_common(FAR struct tcb_s *tcb,
       note->nc_pid = tcb->pid;
     }
 
+#if defined (CONFIG_NOTE_GET_PERF_TIME)
   note->nc_systime = perf_gettime();
+
+#elif defined (CONFIG_NOTE_GET_CLOCK_TIME)
+  struct timespec ts;
+  clock_gettime(CLOCK_REALTIME, &ts);
+  note->nc_systime = ts.tv_sec * NSEC_PER_SEC + ts.tv_nsec;
+
+#else
+
+#endif
 }
 
 /****************************************************************************
diff --git a/drivers/note/noteram_driver.c b/drivers/note/noteram_driver.c
index 3464e5e0719..73da22fc4d2 100644
--- a/drivers/note/noteram_driver.c
+++ b/drivers/note/noteram_driver.c
@@ -794,7 +794,17 @@ static int noteram_dump_header(FAR struct lib_outstream_s *s,
   pid_t pid;
   int ret;
 
+
+#if defined (CONFIG_NOTE_GET_PERF_TIME)
   perf_convert(note->nc_systime, &ts);
+
+#elif defined (CONFIG_NOTE_GET_CLOCK_TIME)
+  ts.tv_sec = note->nc_systime / NSEC_PER_SEC;
+  ts.tv_nsec = note->nc_systime % NSEC_PER_SEC;
+
+#else
+#endif
+
   pid = note->nc_pid;
 #ifdef CONFIG_SMP
   int cpu = note->nc_cpu;