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Commit d56d8a67 authored by Balamurugan Thanikachalam's avatar Balamurugan Thanikachalam Committed by Gerrit - the friendly Code Review server
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SystemServer: Move sensor init to a new thread. 

Move Sensor init to a separate thread so that it doesn't block the
critical booting path.

Initializing Sensors in separate thread has been seen to improve boot
time on customer devices with low-tier / ult chipsets(less cpu cores)

Change-Id: I5c46a5805c04ffe551019b4683523e3bf70274a2
parent 9f14004c

services/core/jni/com_android_server_SystemServer.cpp

+15 −2
Original line number Diff line number Diff line
@@ -25,12 +25,25 @@ 


namespace android {



void* sensorInit(void *arg)

{

    ALOGI("System server: starting sensor init.\n");

    // Start the sensor service

    SensorService::instantiate();

    ALOGI("System server: sensor init done.\n");

    return NULL;

}



static void android_server_SystemServer_nativeInit(JNIEnv* env, jobject clazz) {

    char propBuf[PROPERTY_VALUE_MAX];

    pthread_t sensor_init_thread;



    property_get("system_init.startsensorservice", propBuf, "1");

    if (strcmp(propBuf, "1") == 0) {

        // Start the sensor service

        SensorService::instantiate();

        // We are safe to move this to a new thread because

        // Android frame work has taken care to check whether the

        // service is started or not before using it.

        pthread_create( &sensor_init_thread, NULL, &sensorInit, NULL);

    }

}