xnu-2782.40.9.tar.gz

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

diff --git a/iokit/Kernel/IOFilterInterruptEventSource.cpp b/iokit/Kernel/IOFilterInterruptEventSource.cpp
index 6ecc33bfd4b2f2c8ea105e5daf5d73d9ed19d327..83b6ed6e0c37d64dfbdced44e9f55664a00c1f40 100644 (file)
--- a/iokit/Kernel/IOFilterInterruptEventSource.cpp
+++ b/iokit/Kernel/IOFilterInterruptEventSource.cpp
@@ -31,6 +31,7 @@
 #include <IOKit/IOKitDebug.h>
 #include <IOKit/IOTimeStamp.h>
 #include <IOKit/IOWorkLoop.h>
+#include <IOKit/IOInterruptAccountingPrivate.h>
 
 #if IOKITSTATS
 
@@ -153,14 +154,33 @@ void IOFilterInterruptEventSource::normalInterruptOccurred
     (void */*refcon*/, IOService */*prov*/, int /*source*/)
 {
     bool       filterRes;
+    uint64_t   startTime = 0;
+    uint64_t   endTime = 0;
        bool    trace = (gIOKitTrace & kIOTraceIntEventSource) ? true : false;
        
        if (trace)
                IOTimeStampStartConstant(IODBG_INTES(IOINTES_FILTER),
                                         VM_KERNEL_UNSLIDE(filterAction), (uintptr_t) owner, (uintptr_t) this, (uintptr_t) workLoop);
+
+    if (IOInterruptEventSource::reserved->statistics) {
+        if (IA_GET_STATISTIC_ENABLED(kInterruptAccountingFirstLevelTimeIndex)) {
+            startTime = mach_absolute_time();
+        }
+    }
     
     // Call the filter.
     filterRes = (*filterAction)(owner, this);
+
+    if (IOInterruptEventSource::reserved->statistics) {
+        if (IA_GET_STATISTIC_ENABLED(kInterruptAccountingFirstLevelCountIndex)) {
+            IA_ADD_VALUE(&IOInterruptEventSource::reserved->statistics->interruptStatistics[kInterruptAccountingFirstLevelCountIndex], 1);
+        }
+
+        if (IA_GET_STATISTIC_ENABLED(kInterruptAccountingFirstLevelTimeIndex)) {
+            endTime = mach_absolute_time();
+            IA_ADD_VALUE(&IOInterruptEventSource::reserved->statistics->interruptStatistics[kInterruptAccountingFirstLevelTimeIndex], endTime - startTime);
+        }
+    }
        
        if (trace)
                IOTimeStampEndConstant(IODBG_INTES(IOINTES_FILTER),
@@ -174,15 +194,34 @@ void IOFilterInterruptEventSource::disableInterruptOccurred
     (void */*refcon*/, IOService *prov, int source)
 {
     bool       filterRes;
+    uint64_t   startTime = 0;
+    uint64_t   endTime = 0;
        bool    trace = (gIOKitTrace & kIOTraceIntEventSource) ? true : false;
        
        if (trace)
                IOTimeStampStartConstant(IODBG_INTES(IOINTES_FILTER),
                                         VM_KERNEL_UNSLIDE(filterAction), (uintptr_t) owner, (uintptr_t) this, (uintptr_t) workLoop);
+
+    if (IOInterruptEventSource::reserved->statistics) {
+        if (IA_GET_STATISTIC_ENABLED(kInterruptAccountingFirstLevelTimeIndex)) {
+            startTime = mach_absolute_time();
+        }
+    }
     
     // Call the filter.
     filterRes = (*filterAction)(owner, this);
-       
+
+    if (IOInterruptEventSource::reserved->statistics) {
+        if (IA_GET_STATISTIC_ENABLED(kInterruptAccountingFirstLevelCountIndex)) {
+            IA_ADD_VALUE(&IOInterruptEventSource::reserved->statistics->interruptStatistics[kInterruptAccountingFirstLevelCountIndex], 1);
+        }
+
+        if (IA_GET_STATISTIC_ENABLED(kInterruptAccountingFirstLevelTimeIndex)) {
+            endTime = mach_absolute_time();
+            IA_ADD_VALUE(&IOInterruptEventSource::reserved->statistics->interruptStatistics[kInterruptAccountingFirstLevelTimeIndex], endTime - startTime);
+        }
+    }
+
        if (trace)
                IOTimeStampEndConstant(IODBG_INTES(IOINTES_FILTER),
                                       VM_KERNEL_UNSLIDE(filterAction), (uintptr_t) owner, (uintptr_t) this, (uintptr_t) workLoop);