/*
- * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1998-2010 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
+ * @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
- * compliance with the License. The rights granted to you under the
- * License may not be used to create, or enable the creation or
- * redistribution of, 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,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
+ * 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
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * 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,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * 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_LICENSE_OSREFERENCE_HEADER_END@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
-/*
-Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
-HISTORY
- 1999-4-15 Godfrey van der Linden(gvdl)
- Created.
-*/
#include <IOKit/IOFilterInterruptEventSource.h>
#include <IOKit/IOService.h>
+#include <IOKit/IOKitDebug.h>
#include <IOKit/IOTimeStamp.h>
#include <IOKit/IOWorkLoop.h>
-#if KDEBUG
+#if IOKITSTATS
+
+#define IOStatisticsInitializeCounter() \
+do { \
+ IOStatistics::setCounterType(IOEventSource::reserved->counter, kIOStatisticsFilterInterruptEventSourceCounter); \
+} while (0)
-#define IOTimeTypeStampS(t) \
-do { \
- IOTimeStampStart(IODBG_INTES(t), \
- (unsigned int) this, (unsigned int) owner); \
-} while(0)
+#define IOStatisticsInterrupt() \
+do { \
+ IOStatistics::countInterrupt(IOEventSource::reserved->counter); \
+} while (0)
-#define IOTimeTypeStampE(t) \
-do { \
- IOTimeStampEnd(IODBG_INTES(t), \
- (unsigned int) this, (unsigned int) owner); \
-} while(0)
+#else
-#define IOTimeStampLatency() \
-do { \
- IOTimeStampEnd(IODBG_INTES(IOINTES_LAT), \
- (unsigned int) this, (unsigned int) owner); \
-} while(0)
+#define IOStatisticsInitializeCounter()
+#define IOStatisticsInterrupt()
-#else /* !KDEBUG */
-#define IOTimeTypeStampS(t)
-#define IOTimeTypeStampE(t)
-#define IOTimeStampLatency()
-#endif /* KDEBUG */
+#endif /* IOKITSTATS */
#define super IOInterruptEventSource
return false;
filterAction = inFilterAction;
+
+ IOStatisticsInitializeCounter();
+
return true;
}
void IOFilterInterruptEventSource::signalInterrupt()
{
-IOTimeStampLatency();
-
+ bool trace = (gIOKitTrace & kIOTraceIntEventSource) ? true : false;
+
+ IOStatisticsInterrupt();
producerCount++;
-
-IOTimeTypeStampS(IOINTES_SEMA);
+
+ if (trace)
+ IOTimeStampStartConstant(IODBG_INTES(IOINTES_SEMA), (uintptr_t) this, (uintptr_t) owner);
+
signalWorkAvailable();
-IOTimeTypeStampE(IOINTES_SEMA);
+
+ if (trace)
+ IOTimeStampEndConstant(IODBG_INTES(IOINTES_SEMA), (uintptr_t) this, (uintptr_t) owner);
+
}
void IOFilterInterruptEventSource::normalInterruptOccurred
(void */*refcon*/, IOService */*prov*/, int /*source*/)
{
- bool filterRes;
-
-IOTimeTypeStampS(IOINTES_INTCTXT);
-
-IOTimeTypeStampS(IOINTES_INTFLTR);
- IOTimeStampConstant(IODBG_INTES(IOINTES_FILTER),
- (unsigned int) filterAction, (unsigned int) owner);
+ bool filterRes;
+ bool trace = (gIOKitTrace & kIOTraceIntEventSource) ? true : false;
+
+ if (trace)
+ IOTimeStampStartConstant(IODBG_INTES(IOINTES_FILTER),
+ (uintptr_t) filterAction, (uintptr_t) owner, (uintptr_t) this, (uintptr_t) workLoop);
+
+ // Call the filter.
filterRes = (*filterAction)(owner, this);
-IOTimeTypeStampE(IOINTES_INTFLTR);
-
+
+ if (trace)
+ IOTimeStampEndConstant(IODBG_INTES(IOINTES_FILTER),
+ (uintptr_t) filterAction, (uintptr_t) owner, (uintptr_t) this, (uintptr_t) workLoop);
+
if (filterRes)
signalInterrupt();
-
-IOTimeTypeStampE(IOINTES_INTCTXT);
}
void IOFilterInterruptEventSource::disableInterruptOccurred
(void */*refcon*/, IOService *prov, int source)
{
- bool filterRes;
-
-IOTimeTypeStampS(IOINTES_INTCTXT);
-
-IOTimeTypeStampS(IOINTES_INTFLTR);
- IOTimeStampConstant(IODBG_INTES(IOINTES_FILTER),
- (unsigned int) filterAction, (unsigned int) owner);
+ bool filterRes;
+ bool trace = (gIOKitTrace & kIOTraceIntEventSource) ? true : false;
+
+ if (trace)
+ IOTimeStampStartConstant(IODBG_INTES(IOINTES_FILTER),
+ (uintptr_t) filterAction, (uintptr_t) owner, (uintptr_t) this, (uintptr_t) workLoop);
+
+ // Call the filter.
filterRes = (*filterAction)(owner, this);
-IOTimeTypeStampE(IOINTES_INTFLTR);
-
+
+ if (trace)
+ IOTimeStampEndConstant(IODBG_INTES(IOINTES_FILTER),
+ (uintptr_t) filterAction, (uintptr_t) owner, (uintptr_t) this, (uintptr_t) workLoop);
+
if (filterRes) {
prov->disableInterrupt(source); /* disable the interrupt */
-
signalInterrupt();
}
-IOTimeTypeStampE(IOINTES_INTCTXT);
}
projects / apple / xnu.git / blobdiff