public Worker(String diskname) {
DISKINFO_FILE = IO_STAT_DISK_DIR + diskname + "/" + IO_STAT_DISKINFO_FILE;
status = new ServernodeIOStatus(diskname);
status.setMaxIORate(0);
status.setMinIORate(100);
}
public void run() {
monitoring_count = 0;
init_io_rw_ticks = getIORWTicks();
last_io_rw_ticks = init_io_rw_ticks;
while (true) {
try {
Thread.sleep(IO_MONITOR_INTERVAL);
} catch (InterruptedException e) {
e.printStackTrace();
}
cur_io_rw_ticks = getIORWTicks();
monitoring_count++;
double cur_rate = (cur_io_rw_ticks - last_io_rw_ticks) * 1.0 / IO_MONITOR_INTERVAL;
status.setCurIORate(cur_rate);
status.setAvgIORate(
(cur_io_rw_ticks - init_io_rw_ticks) * 1.0 / (IO_MONITOR_INTERVAL * monitoring_count));
if (cur_rate > status.getMaxIORate()) status.setMaxIORate(cur_rate);
if (cur_rate < status.getMinIORate()) status.setMinIORate(cur_rate);
last_io_rw_ticks = cur_io_rw_ticks;
// System.out.println("[INFO by xianyu]" + status.toString());
}
}