--- zzzz-none-000/linux-4.9.279/kernel/time/timer.c	2021-08-08 06:38:54.000000000 +0000
+++ puma7-atom-6591-750/linux-4.9.279/kernel/time/timer.c	2023-02-08 11:43:43.000000000 +0000
@@ -54,6 +54,9 @@
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/timer.h>
+#if defined(CONFIG_AVM_SIMPLE_PROFILING)
+#include <avm/profile/profile.h>
+#endif
 
 __visible u64 jiffies_64 __cacheline_aligned_in_smp = INITIAL_JIFFIES;
 
@@ -1317,7 +1320,13 @@
 	lock_map_acquire(&lockdep_map);
 
 	trace_timer_expire_entry(timer);
+#if defined(CONFIG_AVM_SIMPLE_PROFILING)
+	avm_simple_profiling_log(avm_profile_data_type_timer_begin, (unsigned int)fn, (unsigned int)data);
+#endif
 	fn(data);
+#if defined(CONFIG_AVM_SIMPLE_PROFILING)
+	avm_simple_profiling_log(avm_profile_data_type_timer_end, (unsigned int)fn, (unsigned int)data);
+#endif
 	trace_timer_expire_exit(timer);
 
 	lock_map_release(&lockdep_map);