diff options
| -rw-r--r-- | services/input/EventHub.cpp | 15 | ||||
| -rw-r--r-- | services/input/EventHub.h | 3 |
2 files changed, 0 insertions, 18 deletions
diff --git a/services/input/EventHub.cpp b/services/input/EventHub.cpp index 990892384181..1f8cf630bc88 100644 --- a/services/input/EventHub.cpp +++ b/services/input/EventHub.cpp @@ -156,8 +156,6 @@ EventHub::EventHub(void) : mPendingEventCount(0), mPendingEventIndex(0), mPendingINotify(false) { acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID); - mNumCpus = sysconf(_SC_NPROCESSORS_ONLN); - mEpollFd = epoll_create(EPOLL_SIZE_HINT); LOG_ALWAYS_FATAL_IF(mEpollFd < 0, "Could not create epoll instance. errno=%d", errno); @@ -775,19 +773,6 @@ size_t EventHub::getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSiz } else { // Some events occurred. mPendingEventCount = size_t(pollResult); - - // On an SMP system, it is possible for the framework to read input events - // faster than the kernel input device driver can produce a complete packet. - // Because poll() wakes up as soon as the first input event becomes available, - // the framework will often end up reading one event at a time until the - // packet is complete. Instead of one call to read() returning 71 events, - // it could take 71 calls to read() each returning 1 event. - // - // Sleep for a short period of time after waking up from the poll() to give - // the kernel time to finish writing the entire packet of input events. - if (mNumCpus > 1) { - usleep(250); - } } } diff --git a/services/input/EventHub.h b/services/input/EventHub.h index 9d8252ed4763..8a2afd32fcf0 100644 --- a/services/input/EventHub.h +++ b/services/input/EventHub.h @@ -367,9 +367,6 @@ private: size_t mPendingEventCount; size_t mPendingEventIndex; bool mPendingINotify; - - // Set to the number of CPUs. - int32_t mNumCpus; }; }; // namespace android |