도와주세요!!
특정 process(mplayer)가 4개의 cpu 중에 1나의 점유율을 100%가져갈 때 문제가 될 수 있을까요?
아래와 같이 mplayer가 cpu3번의 점유율을 100%가져가게 된다면, 이 리눅스 시스템이 발생할 수 있는 문제들은
무엇들이 있을까요? 예를 들어 mplayer가 kernel에 의해서 kill된다등...아시는 문제점들이 있다면 답변
부탁드립니다.
top - 07:49:39 up 1:20, 1 user, load average: 1.32, 1.42, 1.47
Tasks: 81 total, 2 running, 78 sleeping, 0 stopped, 0 zombie
Cpu0 : 8.3%us, 0.0%sy, 0.0%ni, 91.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu1 : 18.2%us, 27.3%sy, 0.0%ni, 54.5%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu2 : 18.2%us, 9.1%sy, 0.0%ni, 72.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu3 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 1031676k total, 228180k used, 803496k free, 8492k buffers
Swap: 0k total, 0k used, 0k free, 142432k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
16301 root 20 0 90224 25m 4024 R 98 2.5 0:28.69 mplayer
5405 root 20 0 233m 18m 14m S 27 1.9 19:16.01 HydraX
1675 root 20 0 40344 15m 11m S 18 1.6 10:09.91 TOP-R_Daemon
16362 root 20 0 2144 1028 796 R 9 0.1 0:00.25 top
1 root 20 0 2404 1396 1016 S 0 0.1 0:01.88 init
2 root 20 0 0 0 0 S 0 0.0 0:00.00 kthreadd
3 root 20 0 0 0 0 S 0 0.0 0:00.04 ksoftirqd/0
5 root 0 -20 0 0 0 S 0 0.0 0:00.00 kworker/0:0H
7 root 0 -20 0 0 0 S 0 0.0 0:00.00 kworker/u:0H
8 root RT 0 0 0 0 S 0 0.0 0:00.23 migration/0
9 root 20 0 0 0 0 S 0 0.0 0:00.33 rcu_preempt
10 root 20 0 0 0 0 S 0 0.0 0:00.00 rcu_bh
11 root 20 0 0 0 0 S 0 0.0 0:00.00 rcu_sched
12 root 20 0 0 0 0 S 0 0.0 0:00.00 ksoftirqd/1