xnu-6153.121.1.tar.gz

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

diff --git a/iokit/Kernel/IOInterruptEventSource.cpp b/iokit/Kernel/IOInterruptEventSource.cpp
index 19d5d597d754de689c67150a5506f32eea344ab8..5decae5c62d9d3286e349539c80d97afcac7d50f 100644 (file)
--- a/iokit/Kernel/IOInterruptEventSource.cpp
+++ b/iokit/Kernel/IOInterruptEventSource.cpp
@@ -218,7 +218,7 @@ IOInterruptEventSource::interruptEventSource(OSObject *inOwner,
 
        if (me && !me->init(inOwner, inAction, inProvider, inIntIndex)) {
                me->release();
-               return 0;
+               return NULL;
        }
 
        return me;
@@ -456,6 +456,9 @@ IOInterruptEventSource::normalInterruptOccurred
        }
 
        if (reserved->statistics) {
+               if (reserved->statistics->enablePrimaryTimestamp) {
+                       reserved->statistics->primaryTimestamp = mach_absolute_time();
+               }
                if (IA_GET_STATISTIC_ENABLED(kInterruptAccountingFirstLevelCountIndex)) {
                        IA_ADD_VALUE(&reserved->statistics->interruptStatistics[kInterruptAccountingFirstLevelCountIndex], 1);
                }
@@ -484,6 +487,9 @@ IOInterruptEventSource::disableInterruptOccurred
        }
 
        if (reserved->statistics) {
+               if (reserved->statistics->enablePrimaryTimestamp) {
+                       reserved->statistics->primaryTimestamp = mach_absolute_time();
+               }
                if (IA_GET_STATISTIC_ENABLED(kInterruptAccountingFirstLevelCountIndex)) {
                        IA_ADD_VALUE(&reserved->statistics->interruptStatistics[kInterruptAccountingFirstLevelCountIndex], 1);
                }
@@ -498,12 +504,12 @@ IOInterruptEventSource::disableInterruptOccurred
 
 void
 IOInterruptEventSource::interruptOccurred
-(void *refcon, IOService *prov, int source)
+(void *_refcon, IOService *prov, int source)
 {
        if (autoDisable && prov) {
-               disableInterruptOccurred(refcon, prov, source);
+               disableInterruptOccurred(_refcon, prov, source);
        } else {
-               normalInterruptOccurred(refcon, prov, source);
+               normalInterruptOccurred(_refcon, prov, source);
        }
 }
 
@@ -513,3 +519,20 @@ IOInterruptEventSource::warmCPU
 {
        return ml_interrupt_prewarm(abstime);
 }
+
+void
+IOInterruptEventSource::enablePrimaryInterruptTimestamp(bool enable)
+{
+       if (reserved->statistics) {
+               reserved->statistics->enablePrimaryTimestamp = enable;
+       }
+}
+
+uint64_t
+IOInterruptEventSource::getPimaryInterruptTimestamp()
+{
+       if (reserved->statistics && reserved->statistics->enablePrimaryTimestamp) {
+               return reserved->statistics->primaryTimestamp;
+       }
+       return -1ULL;
+}