Java service with multiple child thread

Java service with multiple child thread

ps -ef | grep 426
root 4260 587 0 Apr17 ? 00:00:00 [bnx2i_thread/4]
root 4261 587 0 Apr17 ? 00:00:00 [bnx2i_thread/5]
root 4262 587 0 Apr17 ? 00:00:00 [bnx2i_thread/6]
root 4263 587 0 Apr17 ? 00:00:00 [bnx2i_thread/7]
root 4264 587 0 Apr17 ? 00:00:00 [bnx2i_thread/8]
root 4265 587 0 Apr17 ? 00:00:00 [bnx2i_thread/9]
root 4267 587 0 Apr17 ? 00:00:00 [bnx2i_thread/10]
root 4268 587 0 Apr17 ? 00:00:00 [bnx2i_thread/11]
root 4269 587 0 Apr17 ? 00:00:00 [bnx2i_thread/12]
Please help me understand this output of ps command with given pid. I was
trying to check if service is running or not.