Re: [gem5-users] SystemXBar latency

2015-07-09 Thread Andreas Hansson
Hi Yuting, The short answer: for requests, no. The long answer: You may have seen that I just pushed a patch that adds latency in the crossbar on the response path. In essence we just use a queued port to hold on to the packets until they are supposed to be sent. The reason it is challenging to

Re: [gem5-users] Multiple sets of simulation statistics getting populated in stats.txt

2015-07-09 Thread rahul shrivastava
Hi All, I am keeping the Full system Simulation idle and it keeps on producing stats. As of now there are total 8 stats in stats.txt. This seems to be confusing to me as I dont know that the stats produced in stats.txt belong to my benchmark run or some other stuff running in the background. Could

Re: [gem5-users] Multiple sets of simulation statistics getting populated in stats.txt

2015-07-09 Thread Andreas Hansson
Hi Rahul, When you run full-system, the whole point is that the OS is present. This invariably means that there will be background tasks happening besides what ever benchmark you are running. It’s simply something you have to take into account if you want your experiment to be realistic. Andre

[gem5-users] Suspecting bubbles in the DRAM controller command bus

2015-07-09 Thread Prathap Kolakkampadath
Hello Users, I suspect the DRAM controller code is adding unwanted bubbles in the command bus. Consider there are 10 row hit read requests- R0 and R9- in the queue, all targeting Bank0 and a Row miss request- R10 -to Bank1 of same rank and numbered in the arrival order. According to FR-FCFS in o

[gem5-users] TraceGen and instruction execution trace

2015-07-09 Thread Ayaz Akram
Hello !! Can traceGen module be used to simulate instruction traces? The tests that are available in gem5 rep. use traceGen module to replace CPU and connect traceGen with mem. Is it possible to use traceGen with CPU and feed instructions to CPU from a trace file? Thanks __

[gem5-users] [gem5 users] a query regarding tag in Mcpat xml for ARM FS simulation

2015-07-09 Thread rahul shrivastava
Hi All, I am performing ARM FS simulation and want to calculate energy consumption of the program which contains calls to DVFS. I have generated some statistics and with the help of config.ini and stats.txt, I am trying to populate Mcpat xml file to calculate energy. There is a parameter called *