android cpu affinity

標籤：cpu   affinity   ati   線程   android c   擷取   log   無法   after   

暫時無法擷取當前線程運行在哪個CPU上，待調查...

 

int omask = 0;int nmask = 0xF0;static void affinity() {    int err;    int syscallres = syscall(__NR_sched_getaffinity, gettid(), sizeof(omask), &omask);    if (syscallres) {        err = errno;        LOGE("Error in the syscall getaffinity: omask=%d=0x%x err=%d=0x%x", omask, omask, err, err);    }    LOGE("before-get affinity success, tid = %d , mask = ", gettid(), omask);    syscallres = syscall(__NR_sched_setaffinity, gettid(), sizeof(nmask), &nmask);    if (syscallres) {        err = errno;        LOGE("Error in the syscall setaffinity: nmask=%d=0x%x err=%d=0x%x", nmask, nmask, err, err);    }    syscallres = syscall(__NR_sched_getaffinity, gettid(), sizeof(omask), &omask);    if (syscallres) {        err = errno;        LOGE("Error in the syscall getaffinity: omask=%d=0x%x err=%d=0x%x", omask, omask, err, err);    }    LOGE("after-get affinity success, tid = %d , mask = ", gettid(), omask);}

　　

android cpu affinity