Hi Vector, You need to search for fill latency in src/mem/cache/base.cc and response latency in src/mem/cache/cache.cc in serviceMSHR function call.
On Wed, Oct 16, 2019 at 5:38 PM Victor Kariofillis <vickariofil...@gmail.com> wrote: > Hi Daniel, > > First of all thanks for answering. I have some more questions. In my case, > latencies are added every time data is written to the cache. So for > example, theoretically latency should be added in handleFill() as well. I > see that handleFill() doesn't have any latency computation in it. It is > also absent from recvTimingResp() that calls it. Is this because it is off > the critical path? > > Also, it there any way to multiply a Cycles type variable? What I want to > do is indicate that a because some things happen serially, a particular > latency happens n times. > > Thanks, > Victor > > On Sun, 13 Oct 2019 at 22:40, Victor Kariofillis <vickariofil...@gmail.com> > wrote: > >> Hi, >> >> I am interested in adding additional latencies during a cache access. I >> have implemented some extra functionality that happens in the cache and I >> am wondering about how to model the extra time it will take for that to >> happen. >> >> Where would I add the extra latency? For example, inside the access() >> function there is this line of code: >> >> // Calculate access latency on top of when the packet arrives. >> This >> // takes into account the bus delay. >> lat = calculateTagOnlyLatency(pkt->headerDelay, tag_latency); >> >> Right below that, there is a "return false;" line. How is that latency >> being used? Also, how can I make sure whether the execution stalls until >> something else has finished or things that can happen concurrently? >> >> Thank you, >> Victor >> > _______________________________________________ > gem5-users mailing list > gem5-users@gem5.org > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
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