From beda83efaa45fb04f142034f61eb1ae9fe872c59 Mon Sep 17 00:00:00 2001
From: David Höppner <0xffea@gmail.com>
Date: Fri, 4 Jan 2013 22:43:53 +0000
Subject: Add statistics for task_events_info

* ipc/ipc_mqueue.c (ipc_mqueue_send, ipc_mqueue_receive): Increment
counters for message sent and received.
* kern/ipc_kobject.c (ipc_kobject_server): Increment sent and received
counters for the kernel task.
* kern/task.c (task_create): Zero statistics.
* kern/task.c (task_info): Add task_events_info call.
* kern/task.h: Add statistics.
* vm/vm_fault.c (vm_fault_page): Increment zero_fills, pageins,
reactivations and cow_faults counters.
* vm/vm_fault.c (vm_fault_wire_fast): Increment faults counters.
* vm/vm_pageout.c (vm_pageout_scan): Increment reactivations counter.
---
 vm/vm_fault.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'vm/vm_fault.c')

diff --git a/vm/vm_fault.c b/vm/vm_fault.c
index 178f3072..fe5b488a 100644
--- a/vm/vm_fault.c
+++ b/vm/vm_fault.c
@@ -254,6 +254,7 @@ vm_fault_return_t vm_fault_page(first_object, first_offset,
 
 	vm_stat_sample(SAMPLED_PC_VM_FAULTS_ANY);
 	vm_stat.faults++;		/* needs lock XXX */
+	current_task()->faults++;
 
 /*
  *	Recovery actions
@@ -471,6 +472,7 @@ vm_fault_return_t vm_fault_page(first_object, first_offset,
 					vm_stat_sample(SAMPLED_PC_VM_ZFILL_FAULTS);
 
 					vm_stat.zero_fill_count++;
+					current_task()->zero_fills;
 					vm_object_lock(object);
 					pmap_clear_modify(m->phys_addr);
 					break;
@@ -552,6 +554,7 @@ vm_fault_return_t vm_fault_page(first_object, first_offset,
 				if (m->inactive)  {
 				    	vm_stat_sample(SAMPLED_PC_VM_REACTIVATION_FAULTS);
 					vm_stat.reactivations++;
+					current_task()->reactivations++;
 				}
 
 				VM_PAGE_QUEUES_REMOVE(m);
@@ -651,6 +654,7 @@ vm_fault_return_t vm_fault_page(first_object, first_offset,
 
 			vm_stat.pageins++;
 		    	vm_stat_sample(SAMPLED_PC_VM_PAGEIN_FAULTS);
+			current_task()->pageins++;
 
 			if ((rc = memory_object_data_request(object->pager,
 				object->pager_request,
@@ -740,6 +744,7 @@ vm_fault_return_t vm_fault_page(first_object, first_offset,
 			vm_page_zero_fill(m);
 			vm_stat_sample(SAMPLED_PC_VM_ZFILL_FAULTS);
 			vm_stat.zero_fill_count++;
+			current_task()->zero_fills;
 			vm_object_lock(object);
 			pmap_clear_modify(m->phys_addr);
 			break;
@@ -855,6 +860,7 @@ vm_fault_return_t vm_fault_page(first_object, first_offset,
 
 			vm_stat.cow_faults++;
 			vm_stat_sample(SAMPLED_PC_VM_COW_FAULTS);
+			current_task()->cow_faults;
 			object = first_object;
 			offset = first_offset;
 
@@ -1638,6 +1644,7 @@ kern_return_t vm_fault_wire_fast(map, va, entry)
 	vm_prot_t		prot;
 
 	vm_stat.faults++;		/* needs lock XXX */
+	current_task()->faults++;
 /*
  *	Recovery actions
  */
-- 
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