Fire "top" command which will display which application is using how
much memory.
Jeffrey Cao wrote:
Hi there,
On an embedded network device, while traffic passes on, I execute some command
(my APP) to get some network statistic information, then oom-killer kicks in.
>From the message, several processes invoke oom-killer in order:
1) inetd
2) klogd
3) my daemon APP
After each oom-killer is invoked, memory info dumps. But the data in this
memory info are almost the same after each oom-killer is invoked as follows:
Mem-info:
DMA per-cpu:
CPU 0: Hot: hi: 0, btch: 1 usd: 0 Cold: hi: 0, btch: 1 usd: 0
Active:5309 inactive:1454 dirty:0 writeback:0 unstable:0 free:180 slab:307 mapped:16 pagetables:36
DMA free:720kB min:720kB low:900kB high:1080kB active:21236kB inactive:5816kB present:32512kB pages_scanned:44241 all_unreclaimable? yes
lowmem_reserve[]: 0 0
DMA: 0*4kB 0*8kB 1*16kB 0*32kB 1*64kB 1*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 720kB
Free swap: 0kB
8192 pages of RAM
362 free pages
493 reserved pages
307 slab pages
40 pages shared
0 pages swap cached
Out of Memory: Kill process 429 (sh) score 297 and children.
Out of memory: Killed process 429 (sh).
When the box works normmally, there are about 18M bytes memory left.
>From the above message, it seems only 362 free pages(about 1.2M) memory left.
How to find out which process eat up the memory? Any clues?
Jeffrey
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