Re: [Gems-users] Question about Cache Miss Rate

[Dan Gibson <degibson@xxxxxxxx>]

Simics Driver isn't loaded when Opal is used -- OpalDriver is used instead. If you're unsure about what to use, add some code to Ruby's OpalDriver to profile the events you are interested in.

Regards,
Dan

On Mon, Apr 20, 2009 at 11:14 AM, Berkin Ozisikyilmaz <boz283@xxxxxxxxxxxxxxxxxxxx> wrote:

Thanks for the quick response. Previous postings mention to look at “Simics Driver Transaction Stats Insn requests and Data requests”. If I grep through Opal stats file I don’t get any “*request*” type of output printed. Can I assume that sum of “loads and stores executed” as the number of data requests? Or are there other parameters that needs to be included in the count too?

 

Berkin

 

From: gems-users-bounces@xxxxxxxxxxx [mailto:gems-users-bounces@xxxxxxxxxxx] On Behalf Of Dan Gibson
Sent: 2009-04-20 10:25
To: Gems Users
Subject: Re: [Gems-users] Question about Cache Miss Rate

 

Berkin,
This list is voluntarily and self-supporting. Lack of a response to repeated questions usually means that nobody has an Opal stat file laying around to digest for you. Grep though Opal's stats code to see which stats count the events you are interested.

Regards,
Dan

On Mon, Apr 20, 2009 at 10:19 AM, Berkin Ozisikyilmaz <boz283@xxxxxxxxxxxxxxxxxxxx> wrote:

Hello everyone,

 

I am reposting this to get attention. I have originally posted this on 7^th and then rephrased it on the 10^th. Excuse my reposts, however I believe that 10days is too much time not to have a reply.

 

Thanks

Berkin

 

From: gems-users-bounces@xxxxxxxxxxx [mailto:gems-users-bounces@xxxxxxxxxxx] On Behalf Of Berkin Ozisikyilmaz
Sent: 2009-04-10 16:59
To: 'Gems Users'
Subject: [Gems-users] Question about Cache Miss Rate

 

Hi,

 

I am trying to calculate the miss rate and I had a question relating to getting the stats. I have read that the number of memory requests can be extracted from “ “Simics Driver Transaction Stats”. However I am using Opal on top of Ruby and this statistics are not printed out. Which parameters can I use from the Opal statistics file that would be the equivalent?

Thanks

Berkin

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