i/o stats in /proc/net/tcp
This may be a more appropriate question for lkml, but:
Why does /proc/net/tcp not give i/o stats per inode? Briefly looking at tcp_ipv4.c and co., it seems none of the sock structures associated with a tcp sock contain i/o counters so it may be reasons of non-triviality. That said, it does seem as if tcp_input.c and tcp_output.c could implement counting if there was a counter available in tcp_sock or the like.
Is there another /proc file that can be used in conjuction with /proc/net/tcp to gather per inode i/o stats?
It just seems like such a natural thing to offer - as a user I'm always wondering where that little trickle of i/o on my bw monitor is coming from.
Can someone enlighten me? Where is the best place for this question?
Thanks,
Robert
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