--- zzzz-none-000/linux-4.19.183/kernel/workqueue.c	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/kernel/workqueue.c	2023-06-28 08:54:21.000000000 +0000
@@ -49,6 +49,12 @@
 #include <linux/uaccess.h>
 #include <linux/sched/isolation.h>
 #include <linux/nmi.h>
+#if defined(CONFIG_BCM_KF_BUZZZ) && defined(CONFIG_BUZZZ_KEVT)
+#include <linux/buzzz.h>
+#endif
+#if defined(CONFIG_AVM_SIMPLE_PROFILING)
+#include <avm/profile/profile.h>
+#endif /*--- #if defined(CONFIG_AVM_SIMPLE_PROFILING) ---*/
 
 #include "workqueue_internal.h"
 
@@ -1485,6 +1491,9 @@
 	local_irq_save(flags);
 
 	if (!test_and_set_bit(WORK_STRUCT_PENDING_BIT, work_data_bits(work))) {
+#if defined(CONFIG_BCM_KF_BUZZZ) && defined(CONFIG_BUZZZ_KEVT)
+		BUZZZ_KNL3(WORKQ_SCHED, cpu, work->func);
+#endif
 		__queue_work(cpu, wq, work);
 		ret = true;
 	}
@@ -2149,7 +2158,19 @@
 	 */
 	lockdep_invariant_state(true);
 	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) ---*/
+#if defined(CONFIG_BCM_KF_BUZZZ) && defined(CONFIG_BUZZZ_KEVT)
+	BUZZZ_KNL3(WORKQ_ENT, 0, work->func);
+#endif
 	worker->current_func(work);
+#if defined(CONFIG_BCM_KF_BUZZZ) && defined(CONFIG_BUZZZ_KEVT)
+	BUZZZ_KNL3(WORKQ_EXT, 0, work->func);
+#endif
+#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.