I use recent STABLE
I lately noticed some memory management related performance problems on
my system -- I haven't changed the software I use (apart from upgrading
some packages) but I get clicks/lags which playing music, which didn't
happen before :( In fact, I've never had such 'lags' when clicking
windows/firefox tabs or problems with music since FreeBSD 4.5.
I tried to trace this, but i don't have an idea how.
It seems there are peaks of faulting, and then freeing a lot of memory.
The music clicks are happening about 2-3 lines (seconds) below the peaks.
Also, there is a lot of 'fr' --freed pages, but the ammount of 'fre' -
free pages does not change. what does this mean? It's not freeing
because of forced swapping, because pi/po is 0 almost all the time
vmstat says:
procs memory page disks faults cpu
r b w avm fre flt re pi po fr sr ad0 cd0 in sy cs us
sy id
4 2 1 887924 76716 5678 10 3 3 6733 617 0 0 1154 11552 5400
18 10 72
0 2 1 887924 76708 71 1 0 0 52 0 0 0 1231 9366 5873
12 6 82
2 2 1 887924 76516 224 0 0 0 202 0 2 0 1245 29414 7338
37 8 54
2 2 1 887920 76512 13083 1 0 0 16187 0 0 0 1242 37314
7983 38 22 40
0 2 1 887920 76384 295 0 0 0 278 0 1 0 1275 56337 8235
16 10 74
0 3 0 887920 76384 72 0 0 0 65 0 0 0 1575 10924 6780
7 2 91
1 2 1 887920 76384 40 0 0 0 50 0 0 0 1782 12263 7128
8 4 88
1 2 1 887920 76384 69 0 0 0 65 0 0 0 1720 10189 7021
17 4 78
0 3 0 887920 76256 12732 0 0 0 15655 0 4 0 1225 9442
5858 29 28 44
0 2 1 887920 76256 155 0 0 0 157 0 18 0 1257 21274 6910
11 6 83
2 2 1 887920 76176 126 0 0 0 141 0 1 0 1248 22010 6824
6 4 90
2 2 1 887924 76172 73 0 0 0 52 0 0 0 1755 10257 7042
28 7 65
1 2 1 887920 76048 42 0 0 0 51 0 1 0 1816 11311 7325
28 4 67
0 2 1 887936 76032 12804 0 0 0 15792 0 0 0 1797 10466
7008 35 29 36
1 3 0 887936 76028 46 0 0 0 67 0 14 0 1816 11688 7352
7 6 87
0 3 0 887676 76416 70 0 0 0 162 0 0 0 1763 10971 7105
13 7 80
0 2 1 887680 76284 52 0 0 0 65 0 0 0 1727 52113 6806
29 20 50
1 3 0 887680 76284 69 0 0 0 50 0 1 0 1770 10418 7171
19 7 73
0 2 1 887688 76164 12804 0 0 0 15672 0 32 0 1763 12186
6998 41 28 31
1 2 1 887688 76164 69 0 0 0 65 0 0 0 1284 10588 6178
5 2 94
1 2 1 887688 76036 44 0 0 0 52 0 1 0 1238 10377 5988
5 6 89
0 2 1 887688 76036 71 0 0 0 65 0 0 0 1261 10256 5929
14 4 82
1 2 1 895776 70236 1845 0 0 0 136 0 1 0 1193 18138 5565
34 8 57
2 2 1 887688 76036 11269 0 0 0 15649 0 0 0 1288 10355
5988 24 19 57
1 2 1 887688 75796 75 0 0 0 79 0 2 0 1451 12141 6548
9 5 86
2 2 1 887688 75796 69 0 0 0 65 0 0 0 1767 11031 7108
6 7 87
1 2 1 887688 75812 40 0 0 0 69 0 1 0 1265 10258 5993
18 5 77
(sorry for wrapped output)
Thank You for Your thoughts,
m.
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