--- zzzz-none-000/linux-4.4.271/kernel/workqueue.c	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/kernel/workqueue.c	2023-04-19 10:22:30.000000000 +0000
@@ -48,6 +48,9 @@
 #include <linux/nodemask.h>
 #include <linux/moduleparam.h>
 #include <linux/uaccess.h>
+#if defined(CONFIG_AVM_SIMPLE_PROFILING)
+#include <avm/profile/profile.h>
+#endif /*--- #if defined(CONFIG_AVM_SIMPLE_PROFILING) ---*/
 
 #include "workqueue_internal.h"
 
@@ -2061,7 +2064,13 @@
 	lock_map_acquire_read(&pwq->wq->lockdep_map);
 	lock_map_acquire(&lockdep_map);
 	trace_workqueue_execute_start(work);
+#if defined(CONFIG_AVM_SIMPLE_PROFILING)
+     avm_simple_profiling_log(avm_profile_data_type_workitem_begin, (unsigned int)worker->current_func, (unsigned int)work);
+#endif /*--- #if defined(CONFIG_AVM_SIMPLE_PROFILING) ---*/
 	worker->current_func(work);
+#if defined(CONFIG_AVM_SIMPLE_PROFILING)
+        avm_simple_profiling_log(avm_profile_data_type_workitem_end, (unsigned int)worker->current_func, (unsigned int)work);
+#endif /*--- #if defined(CONFIG_AVM_SIMPLE_PROFILING) ---*/
 	/*
 	 * While we must be careful to not use "work" after this, the trace
 	 * point will only record its address.