From: Dave Winchell <dwinchell@virtualiron.com>
To: Keir Fraser <keir.fraser@eu.citrix.com>
Cc: Dave Winchell <dwinchell@virtualiron.com>,
"dan.magenheimer@oracle.com" <dan.magenheimer@oracle.com>,
"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
Ian Pratt <Ian.Pratt@eu.citrix.com>,
"Tian, Kevin" <kevin.tian@intel.com>
Subject: Re: Re: Fix for get_s_time()
Date: Tue, 29 Apr 2008 10:21:54 -0400 [thread overview]
Message-ID: <48172F02.6000600@virtualiron.com> (raw)
In-Reply-To: <C43C8971.17F6A%keir.fraser@eu.citrix.com>
Yes. Its an AMD Warthog. I'll try some other platforms when I get a chance.
-Dave
Keir Fraser wrote:
>So does the below indicate that 92529 of your HPET accesses took between 0
>and 63 cycles? That seems rather short for an access off-chip and to the
>southbridge.
>
> -- Keir
>
>On 28/4/08 19:40, "Dave Winchell" <dwinchell@virtualiron.com> wrote:
>
>
>
>>read_64_main_counter() On stime:
>>
>>(VMM) cycles per bucket 64
>>(VMM)
>>(VMM) 0: 0 78795 148271 21173 15902 47704 89195 121962
>>(VMM) 8: 83632 51848 17531 12987 10976 8816 9120 8608
>>(VMM) 16: 5685 3972 3783 2518 1052 710 608 469
>>(VMM) 24: 277 159 83 46 34 23 19 16
>>(VMM) 32: 9 6 7 3 4 8 5 6
>>(VMM) 40: 9 7 14 13 17 25 22 29
>>(VMM) 48: 25 19 35 27 30 26 21 23
>>(VMM) 56: 17 24 12 27 22 18 10 22
>>(VMM) 64: 19 16 16 16 28 18 23 16
>>(VMM) 72: 22 22 12 14 21 19 17 19
>>(VMM) 80: 18 14 10 14 11 12 8 18
>>(VMM) 88: 16 10 17 14 10 8 11 11
>>(VMM) 96: 10 10 0 175
>>
>>read_64_main_counter() Going to the hardware:
>>
>>(VMM) cycles per bucket 64
>>(VMM)
>>(VMM) 0: 92529 148423 27850 12532 28042 43336 60516 59011
>>(VMM) 8: 36895 14043 8162 6857 7794 7401 5099 2986
>>(VMM) 16: 1636 1066 796 592 459 409 314 248
>>(VMM) 24: 206 195 138 97 71 45 35 34
>>(VMM) 32: 33 36 40 40 25 26 25 26
>>(VMM) 40: 37 23 18 30 27 30 34 44
>>(VMM) 48: 38 19 25 23 23 25 21 27
>>(VMM) 56: 28 24 43 80 220 324 568 599
>>(VMM) 64: 610 565 611 699 690 846 874 788
>>(VMM) 72: 703 542 556 613 605 603 559 500
>>(VMM) 80: 485 493 512 578 561 594 575 614
>>(VMM) 88: 759 851 895 856 807 770 719 958
>>(VMM) 96: 1127 1263 0 18219
>>
>>
>>
>
>
>
>
next prev parent reply other threads:[~2008-04-29 14:21 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <47FFC37A.4060402@virtualiron.com>
2008-04-11 21:20 ` System time monotonicity Keir Fraser
2008-04-11 21:41 ` Keir Fraser
2008-04-11 22:58 ` Dave Winchell
2008-04-12 7:09 ` Keir Fraser
2008-04-21 19:26 ` Dan Magenheimer
2008-04-21 19:31 ` Keir Fraser
2008-04-21 20:32 ` Fix for get_s_time() Dave Winchell
2008-04-21 22:55 ` Keir Fraser
2008-04-21 23:10 ` Keir Fraser
2008-04-22 14:09 ` Dave Winchell
2008-04-24 16:04 ` Dave Winchell
2008-04-24 16:37 ` Keir Fraser
2008-04-24 18:32 ` Dave Winchell
2008-04-25 19:48 ` Dave Winchell
2008-04-25 21:03 ` Dan Magenheimer
2008-04-26 1:54 ` Dave Winchell
2008-04-28 17:39 ` Dan Magenheimer
2008-04-28 18:09 ` Dave Winchell
2008-04-28 18:40 ` Dave Winchell
2008-04-29 7:14 ` Keir Fraser
2008-04-29 14:21 ` Dave Winchell [this message]
2008-04-28 20:11 ` Dan Magenheimer
2008-04-28 21:29 ` Dave Winchell
2008-04-11 22:22 ` System time monotonicity Dan Magenheimer
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