xnu-6153.141.1.tar.gz

[apple/xnu.git] / iokit / Kernel / IOInterruptAccounting.cpp

diff --git a/iokit/Kernel/IOInterruptAccounting.cpp b/iokit/Kernel/IOInterruptAccounting.cpp
index bfaf153b23f76fdedc887fa4a031cd67b8362fc0..3d7f57cdbcb4545bd3cda2415bad64f0dfa682d4 100644 (file)
--- a/iokit/Kernel/IOInterruptAccounting.cpp
+++ b/iokit/Kernel/IOInterruptAccounting.cpp
@@ -2,7 +2,7 @@
  * Copyright (c) 2014 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- * 
+ *
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
@@ -11,10 +11,10 @@
  * unlawful or unlicensed copies of an Apple operating system, or to
  * circumvent, violate, or enable the circumvention or violation of, any
  * terms of an Apple operating system software license agreement.
- * 
+ *
  * Please obtain a copy of the License at
  * http://www.opensource.apple.com/apsl/ and read it before using this file.
- * 
+ *
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
@@ -22,7 +22,7 @@
  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  * Please see the License for the specific language governing rights and
  * limitations under the License.
- * 
+ *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
@@ -31,23 +31,25 @@
 
 uint32_t gInterruptAccountingStatisticBitmask =
 #if !defined(__arm__)
-       /* Disable timestamps for older ARM platforms; they are expensive. */
-       IA_GET_ENABLE_BIT(kInterruptAccountingFirstLevelTimeIndex) |
-       IA_GET_ENABLE_BIT(kInterruptAccountingSecondLevelCPUTimeIndex) |
-       IA_GET_ENABLE_BIT(kInterruptAccountingSecondLevelSystemTimeIndex) |
+    /* Disable timestamps for older ARM platforms; they are expensive. */
+    IA_GET_ENABLE_BIT(kInterruptAccountingFirstLevelTimeIndex) |
+    IA_GET_ENABLE_BIT(kInterruptAccountingSecondLevelCPUTimeIndex) |
+    IA_GET_ENABLE_BIT(kInterruptAccountingSecondLevelSystemTimeIndex) |
 #endif
-       IA_GET_ENABLE_BIT(kInterruptAccountingFirstLevelCountIndex) |
-       IA_GET_ENABLE_BIT(kInterruptAccountingSecondLevelCountIndex);
+    IA_GET_ENABLE_BIT(kInterruptAccountingFirstLevelCountIndex) |
+    IA_GET_ENABLE_BIT(kInterruptAccountingSecondLevelCountIndex);
 
 IOLock * gInterruptAccountingDataListLock = NULL;
 queue_head_t gInterruptAccountingDataList;
 
-void interruptAccountingInit(void)
+void
+interruptAccountingInit(void)
 {
        int bootArgValue = 0;
 
-       if (PE_parse_boot_argn("interrupt_accounting", &bootArgValue, sizeof(bootArgValue)))
-                gInterruptAccountingStatisticBitmask = bootArgValue;
+       if (PE_parse_boot_argn("interrupt_accounting", &bootArgValue, sizeof(bootArgValue))) {
+               gInterruptAccountingStatisticBitmask = bootArgValue;
+       }
 
        gInterruptAccountingDataListLock = IOLockAlloc();
 
@@ -56,37 +58,42 @@ void interruptAccountingInit(void)
        queue_init(&gInterruptAccountingDataList);
 }
 
-void interruptAccountingDataAddToList(IOInterruptAccountingData * data)
+void
+interruptAccountingDataAddToList(IOInterruptAccountingData * data)
 {
        IOLockLock(gInterruptAccountingDataListLock);
-       queue_enter(&gInterruptAccountingDataList, data, IOInterruptAccountingData *, chain); 
+       queue_enter(&gInterruptAccountingDataList, data, IOInterruptAccountingData *, chain);
        IOLockUnlock(gInterruptAccountingDataListLock);
 }
 
-void interruptAccountingDataRemoveFromList(IOInterruptAccountingData * data)
+void
+interruptAccountingDataRemoveFromList(IOInterruptAccountingData * data)
 {
        IOLockLock(gInterruptAccountingDataListLock);
-       queue_remove(&gInterruptAccountingDataList, data, IOInterruptAccountingData *, chain); 
+       queue_remove(&gInterruptAccountingDataList, data, IOInterruptAccountingData *, chain);
        IOLockUnlock(gInterruptAccountingDataListLock);
 }
 
-void interruptAccountingDataUpdateChannels(IOInterruptAccountingData * data, IOSimpleReporter * reporter)
+void
+interruptAccountingDataUpdateChannels(IOInterruptAccountingData * data, IOSimpleReporter * reporter)
 {
        uint64_t i = 0;
 
        for (i = 0; i < IA_NUM_INTERRUPT_ACCOUNTING_STATISTICS; i++) {
-               if (IA_GET_STATISTIC_ENABLED(i))
-               reporter->setValue(IA_GET_CHANNEL_ID(data->interruptIndex, i), data->interruptStatistics[i]);
+               if (IA_GET_STATISTIC_ENABLED(i)) {
+                       reporter->setValue(IA_GET_CHANNEL_ID(data->interruptIndex, i), data->interruptStatistics[i]);
+               }
        }
 }
 
-void interruptAccountingDataInheritChannels(IOInterruptAccountingData * data, IOSimpleReporter * reporter)
+void
+interruptAccountingDataInheritChannels(IOInterruptAccountingData * data, IOSimpleReporter * reporter)
 {
        uint64_t i = 0;
 
        for (i = 0; i < IA_NUM_INTERRUPT_ACCOUNTING_STATISTICS; i++) {
-               if (IA_GET_STATISTIC_ENABLED(i))
-               data->interruptStatistics[i] = reporter->getValue(IA_GET_CHANNEL_ID(data->interruptIndex, i));
+               if (IA_GET_STATISTIC_ENABLED(i)) {
+                       data->interruptStatistics[i] = reporter->getValue(IA_GET_CHANNEL_ID(data->interruptIndex, i));
+               }
        }
 }
-