--- zzzz-none-000/linux-4.4.60/arch/mips/mm/fault.c	2017-04-08 07:53:53.000000000 +0000
+++ scorpion-7490-727/linux-4.4.60/arch/mips/mm/fault.c	2021-02-04 17:41:59.000000000 +0000
@@ -29,6 +29,10 @@
 #include <asm/highmem.h>		/* For VMALLOC_END */
 #include <linux/kdebug.h>
 
+#if defined(CONFIG_AVM_SIMPLE_PROFILING) 
+#include <avm/profile/profile.h>
+#endif /*--- #if defined(CONFIG_AVM_SIMPLE_PROFILING) ---*/ 
+
 int show_unhandled_signals = 1;
 
 /*
@@ -153,7 +157,13 @@
 	 * make sure we exit gracefully rather than endlessly redo
 	 * the fault.
 	 */
+#if defined(CONFIG_AVM_SIMPLE_PROFILING) 
+    avm_simple_profiling_log(avm_profile_data_type_hw_irq_begin, (unsigned int)regs->cp0_epc, AVM_PROFILE_PAGE_FAULT_ID);
+#endif/*--- #if defined(CONFIG_AVM_SIMPLE_PROFILING)  ---*/
 	fault = handle_mm_fault(mm, vma, address, flags);
+#if defined(CONFIG_AVM_SIMPLE_PROFILING) 
+    avm_simple_profiling_log(avm_profile_data_type_hw_irq_end, regs->cp0_epc, AVM_PROFILE_PAGE_FAULT_ID);
+#endif/*--- #endif ---*//*--- #if defined(CONFIG_AVM_SIMPLE_PROFILING)  ---*/
 
 	if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current))
 		return;