Thanks. you are right. it's impractical to dump all these stats every cycle. According to your suggestion, I'll further look through the codes to find correct way to handle these stats i needed. Thanks again.
Jerry On 5/6/08, Korey Sewell <[EMAIL PROTECTED]> wrote: > > I agree with Lisa that you dont want 50 million files... > > I'll try to churn out a patch for you tomorrow... The patch I will > generate keeps dumping to the same file so what's going to happen if > you go per-cycle is you have a REALLY BIG stat file. > > I used the patch to dump I think a max of like10,000 samples and that > was pretty ridiculous given the # of cache stats that are turned out. > I had to go through the cache and change the majority of stats to not > even show if they were a value of ZERO in order to help condense the > file size. > > Because I did so much hacking, it makes a tougher patch (this was > pre-mercurial queue days for me)... sorry about that! > > Actually, it might be easy to just copy/paste code to you.... i think > it's just a few lines... > > On Mon, May 5, 2008 at 8:47 PM, Lisa Hsu <[EMAIL PROTECTED]> wrote: > > i don't think you want that. dumping stats, as geoff and i have > mentioned, > > will dump EVERY stat. if your simulation is even 50,000 cycles, you'll > have > > 50,000 files to sift through, most of which it sounds like you don't > care > > about. and i'm sure your sims are way longer than that. > > > > if i were you, i'd look through the tree to find out exactly how a Stat > type > > gets evaluated and then sent to the m5 stats file, and then do that > yourself > > on every tick to send to your own personal output file. if i recall > > correctly, a Stat type isn't evaluated until it is dumped, so you have > to > > find out how to get it to evaluate for your own purposes, set up your > own > > output file, and have it dump into there. i don't remember where it is > or > > anything, but i imagine if you follow the chain of calls from dumpstats > > you'll find your answer. > > > > lisa > > > > > > > > On Mon, May 5, 2008 at 9:09 PM, jerry lrui <[EMAIL PROTECTED]> wrote: > > > > > > Thanks! I'm using BaseCPU, too. > > > > > > > > > > > > > > > On 5/6/08, Korey Sewell <[EMAIL PROTECTED]> wrote: > > > > I have something in my tree that lets me dump stats every X cycles. > > > > That's probably what you are looking for. It's similar to dumping > > > > checkpoints at a certain interval, but instead I dump the stats... > > > > > > > > I think I implemented it in BaseCPU... what CPU are you using this > for? > > > > > > > > I'll look into what I got later at the next opportunity... > > > > > > > > On Mon, May 5, 2008 at 9:09 AM, jerry lrui <[EMAIL PROTECTED]> > wrote: > > > > > Is there a better way to get these stats after very cycle, if I > can > > not dump > > > > > all these stats? I only need few stats such as cache hits to > analyze > > the > > > > > runtime characteristic. Thanks. > > > > > > > > > > Jerry > > > > > > > > > > > > > > > > > > > > On 5/5/08, Geoffrey Blake <[EMAIL PROTECTED]> wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > If you just need aggregate stats at the end of the simulation > run, > > such as > > > > > number of dcache.ReadReq_hits, M5 already does this. When the > > simulation > > > > > finishes, it dumps the file: m5stats.txt to your current working > > directory > > > > > with everything added up for you. > > > > > > > > > > > > > > > > > > > > > > > > Dumping stats every cycle can easily lead to multi gigabyte > files > > that > > > > > will be very hard to work with and store. > > > > > > > > > > > > > > > > > > > > > > > > Geoff > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > From: [EMAIL PROTECTED] [mailto: > [EMAIL PROTECTED] > > On > > > > > Behalf Of jerry lrui > > > > > > Sent: Monday, May 05, 2008 11:17 AM > > > > > > To: M5 users mailing list > > > > > > Subject: Re: [m5-users] How to dump m5stats per cycle? > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Hi, Lisa > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > I only need few stats to analyze the runtime characteristics of > an > > > > > application. For example the number of dcache.ReadReq_hits, > > > > > icache.ReadReq_hits, etc. I added these codes > > > > > "Stats::StatEvent(true,false);" in function simulate(Tick > num_cycles) > > > > > located simulate.cc. But I didn't get the result I wanted. Could > you > > tell me > > > > > what is the correct way to get thest stats? Thank you very much! > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Jerry > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On 5/5/08, Lisa Hsu <[EMAIL PROTECTED]> wrote: > > > > > > > > > > > > doing this will result in millions of large files full of stat > text > > - what > > > > > is it that you want this for? > > > > > > > > > > > > lisa > > > > > > > > > > > > > > > > > > > > > > > > On Sat, May 3, 2008 at 11:39 PM, jerry lrui < > [EMAIL PROTECTED]> > > wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Hi, > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > I want to dump m5stats after per cycle. I've looked up the code. > > Maybe I > > > > > can add some codes in function simulate(Tick num_cycles) located > > > > > simulate.cc. Fox example, add a StatEvent like > > > > > "Stats::StatEvent(true,false);" in this function? But I'm not sure > how > > to do > > > > > it correctly. I'm using m5sim 2.0b5 in SE model. What is the > correct > > way to > > > > > get this information? Thanks! > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Jerry > > > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > > > > m5-users mailing list > > > > > > [email protected] > > > > > > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > > > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > > > > m5-users mailing list > > > > > > [email protected] > > > > > > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > > > > > > > > > > > > > > > > > > > > > > > > No virus found in this incoming message. > > > > > > Checked by AVG. > > > > > > Version: 7.5.524 / Virus Database: 269.23.8/1413 - Release Date: > > 5/3/2008 > > > > > 11:22 AM > > > > > > > > > > > > > > > > > > No virus found in this outgoing message. > > > > > > Checked by AVG. > > > > > > Version: 7.5.524 / Virus Database: 269.23.8/1413 - Release Date: > > 5/3/2008 > > > > > 11:22 AM > > > > > > > > > > > > _______________________________________________ > > > > > > m5-users mailing list > > > > > > [email protected] > > > > > > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > > > m5-users mailing list > > > > > [email protected] > > > > > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > > > > > > > > > > > > > > > > > > > > > -- > > > > ---------- > > > > Korey L Sewell > > > > Graduate Student - PhD Candidate > > > > Computer Science & Engineering > > > > University of Michigan > > > > _______________________________________________ > > > > m5-users mailing list > > > > [email protected] > > > > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > > > > > > > > > > > > > _______________________________________________ > > > m5-users mailing list > > > [email protected] > > > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > > > > > > > > > _______________________________________________ > > m5-users mailing list > > [email protected] > > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > > > > > > -- > ---------- > Korey L Sewell > Graduate Student - PhD Candidate > Computer Science & Engineering > University of Michigan > _______________________________________________ > m5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users >
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