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Date: Wed, 24 Apr 2013 00:53:01 +0200 From: Felix Becker <mail@...ixbecker.name> To: Eric Dumazet <eric.dumazet@...il.com> CC: Eric Wong <normalperson@...t.net>, linux-kernel@...r.kernel.org, netdev@...r.kernel.org Subject: Re: socket file descriptor a/m/c-timestamps broken in <= 3.8.8? Hi, thank you for that info. Can you tell which mailing list the right one for this issue is? Felix On 04/23/2013 02:37 AM, Eric Dumazet wrote: > On Tue, 2013-04-23 at 00:30 +0000, Eric Wong wrote: >> Cc:-ing netdev (no comments of my own) >> >> Felix Becker <mail@...ixbecker.name> wrote: >>> Hi, >>> >>> I tried to figure out how old my TCP connections are and took >>> a look at /proc/<pid>/fd/<socketfdnum> using 'ls -la' / >>> 'stat'. >>> > > Thanks, but its not a network issue, /proc/pid/fd are part of > another subsystem. > > In particular, a/m/c timestamps are volatile (not meaningfull), as > you can make them disappear by "echo 3 >/proc/sys/vm/drop_caches" > > Next time you use "ls /proc/pid/fd/..." timestamps are created. > > > > -- To unsubscribe from this list: send the line "unsubscribe > linux-kernel" in the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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