Re: [Gems-users] No user-mode misses


Date: Mon, 16 Aug 2010 10:53:07 -0500
From: "Arkaprava Basu" <basu@xxxxxxxxxxx>
Subject: Re: [Gems-users] No user-mode misses
Hello,

      I would suggest first try to look at whether you are actually
getting any user level requests or not (before looking at user level
miss). In $GEMS/ruby/system/Sequencer.C there is a function called
makeRequest. It receives the cache request message. First try to see
if you get any request in user more. You can do that by checking
(request.m_AccessMode !=  AccessModeType_SupervisorMode).


Thanks
Arka

> Anyone have any idea about it?   I've tried many different protocols and
> workload .... i haven't seen a single user_miss .  All the misses are
> supervisor mode...
>
> Is there anything need to specify in simics to identify supervisor/user
> mode ?
>
> Thank you very much.
>
> Best Regards
> G.tian
>
>
>
>>
>> Hi there:
>>
>> Anyone know why all the misses are supervisor mode. what i run is a
>> parsec
>> workload, it suppose to have at least a few user mode misses isn't it?
>>
>>
>>
>> Total_misses: 2273071
>> total_misses: 2273071 [ 230701 53714 46071 42464 49511 47244 43489 42229
>> 65465 71766 99267 58954 209682 1045153 58800 108561 ]
>> user_misses: 0 [ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ]
>> supervisor_misses: 2273071 [ 230701 53714 46071 42464 49511 47244 43489
>> 42229 65465 71766 99267 58954 209682 1045153 58800 108561 ]
>>
>> Best Regards
>>
>> G.Tian
>>
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