Changeset a307beb in mainline for kernel/generic/src/ipc/ipc.c

Timestamp:

2010-04-14T14:41:54Z (14 years ago)

Author:

Stanislav Kozina <stanislav.kozina@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

bdfd3c97

Parents:

e43cdac

Message:

IPC statistics measured.

File:

• kernel/generic/src/ipc/ipc.c (modified) (6 diffs)

kernel/generic/src/ipc/ipc.c

@@ -219 +219 @@
         bool do_lock = ((!selflocked) || callerbox != (&TASK->answerbox));
 
+        spinlock_lock(&TASK->lock);
+        TASK->ipc_info.answer_sent++;
+        spinlock_unlock(&TASK->lock);
+
         call->flags |= IPC_CALL_ANSWERED;
 
@@ -276 +280 @@
 static void _ipc_call(phone_t *phone, answerbox_t *box, call_t *call)
 {
+        spinlock_lock(&TASK->lock);
+        TASK->ipc_info.call_sent++;
+        spinlock_unlock(&TASK->lock);
+
         if (!(call->flags & IPC_CALL_FORWARDED)) {
                 atomic_inc(&phone->active_calls);
@@ -376 +384 @@
 int ipc_forward(call_t *call, phone_t *newphone, answerbox_t *oldbox, int mode)
 {
+        spinlock_lock(&TASK->lock);
+        TASK->ipc_info.forwarded++;
+        spinlock_unlock(&TASK->lock);
+
         spinlock_lock(&oldbox->lock);
         list_remove(&call->link);
@@ -416 +428 @@
         spinlock_lock(&box->lock);
         if (!list_empty(&box->irq_notifs)) {
+
+                spinlock_lock(&TASK->lock);
+                TASK->ipc_info.irq_notif_recieved++;
+                spinlock_unlock(&TASK->lock);
+
                 ipl = interrupts_disable();
                 spinlock_lock(&box->irq_lock);
@@ -425 +442 @@
                 interrupts_restore(ipl);
         } else if (!list_empty(&box->answers)) {
+                spinlock_lock(&TASK->lock);
+                TASK->ipc_info.answer_recieved++;
+                spinlock_unlock(&TASK->lock);
+
                 /* Handle asynchronous answers */
                 request = list_get_instance(box->answers.next, call_t, link);
@@ -430 +451 @@
                 atomic_dec(&request->data.phone->active_calls);
         } else if (!list_empty(&box->calls)) {
+
+                spinlock_lock(&TASK->lock);
+                TASK->ipc_info.call_recieved++;
+                spinlock_unlock(&TASK->lock);
+
                 /* Handle requests */
                 request = list_get_instance(box->calls.next, call_t, link);