Messages in this thread | | | Date | Wed, 27 Aug 2003 19:58:17 -0400 (EDT) | From | Ricky Beam <> | Subject | /proc/net/* read drops data (was: lost socket) |
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On Wed, 27 Aug 2003, Ricky Beam wrote: >This smells like a simple "off by one" bug, but I've been too busy to go >look at the code.
Ah hah! it's a block size problem... netstat reads 1024 at a time.
Using dd...
[root:pts/5{9}]gir:~/[7:55pm]:dd if=/proc/net/udp bs=1024 | wc 2+1 records in 2+1 records out 18 216 2304 [root:pts/5{9}]gir:~/[7:56pm]:dd if=/proc/net/udp bs=2048 | wc 1+1 records in 1+1 records out 19 228 2432 [root:pts/5{9}]gir:~/[7:56pm]:dd if=/proc/net/udp bs=4096 | wc 0+1 records in 0+1 records out 20 240 2560 [root:pts/5{9}]gir:~/[7:56pm]:dd if=/proc/net/udp bs=8192 | wc 0+1 records in 0+1 records out 20 240 2560 [root:pts/5{9}]gir:~/[7:56pm]:dd if=/proc/net/udp bs=32768 | wc 0+1 records in 0+1 records out 20 240 2560 [root:pts/5{9}]gir:~/[7:56pm]:dd if=/proc/net/udp bs=1 | wc 2432+0 records in 2432+0 records out 19 228 2432
--Ricky
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