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am e225f6fd: Merge "SensorService fixes." into lmp-dev

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* commit 'e225f6fd4a3f17c2705f1d69b176db475a3cc821':
  SensorService fixes.
This commit is contained in:
Aravind Akella 2014-09-16 21:05:01 +00:00 committed by Android Git Automerger
commit 11b4fd5602
2 changed files with 34 additions and 29 deletions
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57
services/sensorservice/SensorService.cpp
View File

@ -1002,32 +1002,27 @@ bool SensorService::SensorEventConnection::needsWakeLock() {
void SensorService::SensorEventConnection::dump(String8& result) {
Mutex::Autolock _l(mConnectionLock);
result.appendFormat("\t %d WakeLockRefCount \n", mWakeLockRefCount);
result.appendFormat("\t WakeLockRefCount %d | uid %d | cache size %d | max cache size %d\n",
mWakeLockRefCount, mUid, mCacheSize, mMaxCacheSize);
for (size_t i = 0; i < mSensorInfo.size(); ++i) {
const FlushInfo& flushInfo = mSensorInfo.valueAt(i);
result.appendFormat("\t %s 0x%08x | status: %s | pending flush events %d | uid %d|"
"cache size: %d max cache size %d\n",
result.appendFormat("\t %s 0x%08x | status: %s | pending flush events %d \n",
mService->getSensorName(mSensorInfo.keyAt(i)).string(),
mSensorInfo.keyAt(i),
flushInfo.mFirstFlushPending ? "First flush pending" :
"active",
flushInfo.mPendingFlushEventsToSend,
mUid,
mCacheSize,
mMaxCacheSize);
#if DEBUG_CONNECTIONS
result.appendFormat("\t events recvd: %d | sent %d | cache %d | dropped %d |"
" total_acks_needed %d | total_acks_recvd %d\n",
mEventsReceived,
mEventsSent,
mEventsSentFromCache,
mEventsReceived - (mEventsSentFromCache +
mEventsSent + mCacheSize),
mTotalAcksNeeded,
mTotalAcksReceived);
#endif
flushInfo.mPendingFlushEventsToSend);
}
#if DEBUG_CONNECTIONS
result.appendFormat("\t events recvd: %d | sent %d | cache %d | dropped %d |"
" total_acks_needed %d | total_acks_recvd %d\n",
mEventsReceived,
mEventsSent,
mEventsSentFromCache,
mEventsReceived - (mEventsSentFromCache + mEventsSent + mCacheSize),
mTotalAcksNeeded,
mTotalAcksReceived);
#endif
}
bool SensorService::SensorEventConnection::addSensor(int32_t handle) {
@ -1082,7 +1077,7 @@ void SensorService::SensorEventConnection::setFirstFlushPending(int32_t handle,
}
status_t SensorService::SensorEventConnection::sendEvents(
sensors_event_t* buffer, size_t numEvents,
sensors_event_t const* buffer, size_t numEvents,
sensors_event_t* scratch,
SensorEventConnection const * const * mapFlushEventsToConnections) {
// filter out events not for this connection
@ -1207,7 +1202,9 @@ status_t SensorService::SensorEventConnection::sendEvents(
if (index_wake_up_event >= 0) {
// If there was a wake_up sensor_event, reset the flag.
scratch[index_wake_up_event].flags &= ~WAKE_UP_SENSOR_EVENT_NEEDS_ACK;
--mWakeLockRefCount;
if (mWakeLockRefCount > 0) {
--mWakeLockRefCount;
}
#if DEBUG_CONNECTIONS
--mTotalAcksNeeded;
#endif
@ -1256,14 +1253,18 @@ void SensorService::SensorEventConnection::reAllocateCacheLocked(sensors_event_t
void SensorService::SensorEventConnection::sendPendingFlushEventsLocked() {
ASensorEvent flushCompleteEvent;
memset(&flushCompleteEvent, 0, sizeof(flushCompleteEvent));
flushCompleteEvent.type = SENSOR_TYPE_META_DATA;
flushCompleteEvent.sensor = 0;
// Loop through all the sensors for this connection and check if there are any pending
// flush complete events to be sent.
for (size_t i = 0; i < mSensorInfo.size(); ++i) {
FlushInfo& flushInfo = mSensorInfo.editValueAt(i);
while (flushInfo.mPendingFlushEventsToSend > 0) {
flushCompleteEvent.meta_data.sensor = mSensorInfo.keyAt(i);
const int sensor_handle = mSensorInfo.keyAt(i);
flushCompleteEvent.meta_data.sensor = sensor_handle;
if (mService->getSensorFromHandle(sensor_handle).isWakeUpSensor()) {
flushCompleteEvent.flags |= WAKE_UP_SENSOR_EVENT_NEEDS_ACK;
}
ssize_t size = SensorEventQueue::write(mChannel, &flushCompleteEvent, 1);
if (size < 0) {
return;
@ -1303,7 +1304,9 @@ void SensorService::SensorEventConnection::writeToSocketFromCacheLocked() {
// If there was a wake_up sensor_event, reset the flag.
mEventCache[index_wake_up_event + numEventsSent].flags &=
~WAKE_UP_SENSOR_EVENT_NEEDS_ACK;
--mWakeLockRefCount;
if (mWakeLockRefCount > 0) {
--mWakeLockRefCount;
}
#if DEBUG_CONNECTIONS
--mTotalAcksNeeded;
#endif
@ -1328,7 +1331,7 @@ void SensorService::SensorEventConnection::writeToSocketFromCacheLocked() {
}
void SensorService::SensorEventConnection::countFlushCompleteEventsLocked(
sensors_event_t* scratch, const int numEventsDropped) {
sensors_event_t const* scratch, const int numEventsDropped) {
ALOGD_IF(DEBUG_CONNECTIONS, "dropping %d events ", numEventsDropped);
// Count flushComplete events in the events that are about to the dropped. These will be sent
// separately before the next batch of events.
@ -1394,7 +1397,9 @@ int SensorService::SensorEventConnection::handleEvent(int fd, int events, void*
{
Mutex::Autolock _l(mConnectionLock);
--mWakeLockRefCount;
if (mWakeLockRefCount > 0) {
--mWakeLockRefCount;
}
#if DEBUG_CONNECTIONS
++mTotalAcksReceived;
#endif

6
services/sensorservice/SensorService.h
View File

@ -86,7 +86,7 @@ class SensorService :
// Count the number of flush complete events which are about to be dropped in the buffer.
// Increment mPendingFlushEventsToSend in mSensorInfo. These flush complete events will be
// sent separately before the next batch of events.
void countFlushCompleteEventsLocked(sensors_event_t* scratch, int numEventsDropped);
void countFlushCompleteEventsLocked(sensors_event_t const* scratch, int numEventsDropped);
// Check if there are any wake up events in the buffer. If yes, return the index of the
// first wake_up sensor event in the buffer else return -1. This wake_up sensor event will
@ -148,7 +148,7 @@ class SensorService :
public:
SensorEventConnection(const sp<SensorService>& service, uid_t uid);
status_t sendEvents(sensors_event_t* buffer, size_t count,
status_t sendEvents(sensors_event_t const* buffer, size_t count,
sensors_event_t* scratch,
SensorEventConnection const * const * mapFlushEventsToConnections = NULL);
bool hasSensor(int32_t handle) const;
@ -190,7 +190,7 @@ class SensorService :
bool isVirtualSensor(int handle) const;
Sensor getSensorFromHandle(int handle) const;
bool isWakeUpSensor(int type) const;
void recordLastValueLocked(const sensors_event_t* buffer, size_t count);
void recordLastValueLocked(sensors_event_t const* buffer, size_t count);
static void sortEventBuffer(sensors_event_t* buffer, size_t count);
Sensor registerSensor(SensorInterface* sensor);
Sensor registerVirtualSensor(SensorInterface* sensor);