Re: [f2fs-dev] f2fs using tons of cpu

2013-11-09 Thread folkert
[ garbage collector ] You'd better keep track on /sys/kernel/debug/f2fs/status, and I think you can find many dirty segments across the partition. In the status file, you can also see the f2fs_gc behavior. Ok but if the gc runs, the system completely locks up. That is: it is 100%

Re: [f2fs-dev] f2fs using tons of cpu

2013-10-09 Thread Jaegeuk Kim
Hi, 2013-10-08 (화), 13:25 +0200, folkert: Hi, For the last few days f2fs started to use loads of cpu on one of my raspberry pi systems: PID USER PR NI VIRT RES SHR S %CPU %MEMTIME+ COMMAND 2822 root 20 0 000 R 35.3 0.0 328:34.01 f2fs_gc-254:0 2826

[f2fs-dev] f2fs using tons of cpu

2013-10-08 Thread folkert
Hi, For the last few days f2fs started to use loads of cpu on one of my raspberry pi systems: PID USER PR NI VIRT RES SHR S %CPU %MEMTIME+ COMMAND 2822 root 20 0 000 R 35.3 0.0 328:34.01 f2fs_gc-254:0 2826 root 20 0 000 R 35.3 0.0