His looks more like a leak.
12535365 size-32 slabs is definitly an abnormal situation.
Yes, it's definitely reproducible too, seems to happen every time I
boot, which is rather odd, because I've been running with the same
kernel and drivers for a few days now. Something must have broken it in
recent upgrades. I am suspicious of mono... but otoh I tried killing
almost every app without recovering the memory, so doesn't that indicate
a kernel problem?
I will do testing without the nvidia driver, and also with a stock
kernel (and without mono) to uncover the problem.
Not sure what this means exactly, but oprofile says:
Counted MEM_PAGE_ACCESS events (Memory controller page access) with a
unit mask of 0x07 (multiple flags) count 30000
MEM_PAGE_ACCES...|
samples| %|
------------------
45007 46.9326 mono
MEM_PAGE_ACCES...|
samples| %|
------------------
33829 75.1639 mono
3217 7.1478 anon (tgid:3087 range:0x40caa000-0x40d1a000)
3139 6.9745 anon (tgid:3087 range:0x40225000-0x40265000)
1843 4.0949 anon (tgid:3087 range:0x40014000-0x40024000)
952 2.1152 anon (tgid:3087 range:0x40878000-0x408a8000)
608 1.3509 anon (tgid:2815 range:0x40225000-0x40275000)
375 0.8332 anon (tgid:3087 range:0x40f1b000-0x40f8b000)
293 0.6510 anon (tgid:3087 range:0x40466000-0x40476000)
277 0.6155 anon (tgid:2815 range:0x40476000-0x40526000)
153 0.3399 anon (tgid:2815 range:0x42d93000-0x42e13000)
113 0.2511 anon (tgid:3087 range:0x40f1b000-0x40f7b000)
94 0.2089 anon (tgid:2815 range:0x40014000-0x40024000)
46 0.1022 anon (tgid:3087 range:0x40f1b000-0x40f6b000)
36 0.0800 anon (tgid:2815 range:0x41f7c000-0x41f8c000)
21 0.0467 anon (tgid:2815 range:0x40b29000-0x40b39000)
10 0.0222 anon (tgid:2815 range:0x42d93000-0x42df3000)
1 0.0022 anon (tgid:3087 range:0x40000000-0x40010000)
23274 24.2698 vmlinux
13175 13.7387 libc-2.3.90.so
1827 1.9052 libglib-2.0.so.0.902.4
1367 1.4255 libfb.so
1332 1.3890 nvidia_drv.so
1180 1.2305 nvidia
1128 1.1763 libpthread-2.3.90.so
908 0.9468 ext3
849 0.8853 libsqlite3.so.0.8.6
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