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Date:      Mon, 06 Nov 2006 10:49:47 +0100
From:      Alexander Leidinger <netchild@FreeBSD.org>
To:        Gary <gary@velocity-servers.net>
Cc:        emulation@FreeBSD.org
Subject:   Re: linux emulation problem on releng6/7
Message-ID:  <20061106104947.wcfc6bvqgoogccss@webmail.leidinger.net>
In-Reply-To: <20061106064944.DAE202E1AB@redbull.bpaserver.net>
References:  <20061106064944.DAE202E1AB@redbull.bpaserver.net>

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Quoting Gary <gary@velocity-servers.net> (from Mon, 06 Nov 2006 =20
01:49:23 -0500):

Redirecting to emulation@, ENOTIME until the weekend on my side ATM...

Bye,
Alexander.

> Greetings.
>
> With VALVe's Counter-Strike Source server, I noticed some strange cpu
> usage readings (among other things)
>
> ktrace:
>
> 80786 srcds_amd RET   old.recv -1 errno -11 Unknown error: -11
>  80786 srcds_amd CALL  old.recv(0x5,0xbfbfb480)
>  80786 srcds_amd RET   old.recv -1 errno -11 Unknown error: -11
>  80786 srcds_amd CALL  old.recv(0xc,0xbfbe4cf0)
>  80786 srcds_amd RET   old.recv -1 errno -11 Unknown error: -11
>  80786 srcds_amd CALL  old.recv(0x5,0xbfbfb480)
>  80786 srcds_amd RET   old.recv -1 errno -11 Unknown error: -11
>  80786 srcds_amd CALL  old.recv(0xc,0xbfbe4cf0)
>  80786 srcds_amd RET   old.recv -1 errno -11 Unknown error: -11
>  80786 srcds_amd CALL  old.recv(0x5,0xbfbfb480)
>  80786 srcds_amd RET   old.recv -1 errno -11 Unknown error: -11
>  80786 srcds_amd CALL  old.recv(0xc,0xbfbe4cf0)
>  80786 srcds_amd RET   old.recv -1 errno -11 Unknown error: -11
>  80786 srcds_amd CALL  old.recv(0x5,0xbfbfb480)
>  80786 srcds_amd RET   old.recv -1 errno -11 Unknown error: -11
>  80786 srcds_amd CALL  old.recv(0xc,0xbfbe4cf0)
>  80786 srcds_amd RET   old.recv -1 errno -11 Unknown error: -11
>  80786 srcds_amd CALL  old.recv(0x5,0xbfbfb480)
>  80786 srcds_amd RET   old.recv -1 errno -11 Unknown error: -11
>  80786 srcds_amd CALL  old.recv(0xc,0xbfbe4cf0)
>  80786 srcds_amd RET   old.recv -1 errno -11 Unknown error: -11
>  80786 srcds_amd CALL  old.recv(0x5,0xbfbfb480)
>  80786 srcds_amd RET   old.recv -1 errno -11 Unknown error: -11
>  80786 srcds_amd CALL  old.recv(0xc,0xbfbe4cf0)
>  80786 srcds_amd RET   old.recv -1 errno -11 Unknown error: -11
>  80786 srcds_amd CALL  old.recv(0x5,0xbfbfb480)
>  80786 srcds_amd RET   old.recv -1 errno -11 Unknown error: -11
>  80786 srcds_amd CALL  old.recv(0xc,0xbfbe4cf0)
>  80786 srcds_amd RET   old.recv -1 errno -11 Unknown error: -11
>  80786 srcds_amd CALL  old.recv(0x5,0xbfbfb480)
>  80786 srcds_amd RET   old.recv -1 errno -11 Unknown error: -11
>  80786 srcds_amd CALL  old.recv(0xc,0xbfbe4cf0)
>  80786 srcds_amd RET   old.recv -1 errno -11 Unknown error: -11
>  80786 srcds_amd CALL  old.recv(0x5,0xbfbfb480)
>
> strace:
> Process 590 attached - interrupt to quit
> ^CProcess 590 detached
> % time     seconds  usecs/call     calls    errors syscall
> ------ ----------- ----------- --------- --------- ----------------
>  74.38    3.880256         690      5626           getdomainname
>  14.09    0.734976          16     45039           mincore
>   3.33    0.173690          15     11254           gethostid?
>   3.02    0.157550          14     11254           SYS_175
>   2.10    0.109501        9125        12           gettimeofday
>   1.53    0.079822          14      5648      5627 recv?
>   1.49    0.077605          14      5639           read
>   0.02    0.001223         102        12           open
>   0.01    0.000626          30        21           kill
>   0.01    0.000377          31        12           mmap
>   0.01    0.000346          29        12           SYS_91
>   0.01    0.000303          14        22           fchdir
>   0.01    0.000300          25        12           dup2
>   0.01    0.000299          25        12           close
>   0.01    0.000261          22        12           getpid
> ------ ----------- ----------- --------- --------- ----------------
> 100.00    5.217135                 84587      5627 total
>
> Strange errors are being emitted from recv() flags. Could this be an
> emulation bug? or a software design flaw?



--=20
http://www.Leidinger.net  Alexander @ Leidinger.net: PGP ID =3D B0063FE7
http://www.FreeBSD.org     netchild @ FreeBSD.org  : PGP ID =3D 72077137
Unprovided with original learning, unformed in the habits of thinking,
unskilled in the arts of composition, I resolved to write a book.
=09=09-- Edward Gibbon




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