I guess it's for MAXINSTS as streamcluster is a large benchmark in terms of number of instructions.
On Sat, Nov 12, 2011 at 1:14 AM, Dibakar Gope <[email protected]> wrote: > Hi All, > > I am trying to get selective traces for few stages in ALPHA_FS O3 system. > In order to do that, I > have enabled --debug-flags=Exec (with turning-off the non-required > switches) and getting the intended trace section after linux boot. I am > running the benchmarks from PARSEC suite and for experimental purposes, the > maxinsts is set to 200M. Further in order to attach each thread with a > particular core, I am using the GOMP_CPU_AFFINITY option in my rcS script. > As shown below, this rcS script attempts to run 4 threads of streamcluster > benchmark in 4core cpu. > > #!/bin/sh > > # File to run the streamcluster benchmark > > cd /parsec/install/bin > > #/sbi/m5 switchcpu > export GOMP_CPU_AFFINITY="0 1 2 3" > /sbin/m5 dumpstats > /sbin/m5 resetstats > echo "Simulation Beginning :D" > ./streamcluster 10 20 32 4096 4096 1000 none > /parsec/install/inputs/streamcluster/output.txt 4 > echo "Done :D" > /sbin/m5 exit > /sbin/m5 exit > > However, in my generated traces (deep into the ROI region), all the time I > can see traces for only thread 0 running in different cores(cpu0, cpu1, > cpu2, cpu3), as shown below, although in my streamcluster rcS script I set > the threads count as 4. > > 2394499819584: system.cpu0.BPredUnit: [tid:0] <some custom print msgs> > 2394499820918: system.cpu1.BPredUnit: [tid:0] <some custom print msgs> > 2394499824253: system.cpu0.BPredUnit: [tid:0] <some custom print msgs> > 2394499827588: system.cpu2.BPredUnit: [tid:0] <some custom print msgs> > 2394499830923: system.cpu3.BPredUnit: [tid:0] <some custom print msgs> > 2394499834258: system.cpu1.BPredUnit: [tid:0] <some custom print msgs> > 2394499837593: system.cpu0.BPredUnit: [tid:0] <some custom print msgs> > 2394499841595: system.cpu2.BPredUnit: [tid:0] <some custom print msgs> > 2394499844930: system.cpu3.BPredUnit: [tid:0] <some custom print msgs> > > I am observing the same for other benchmarks also. Is it due to the > limited maxinsts (as I set that to 200M) or anything I am missing? > > Thanks, > Dibakar Gope > PhD Student, UW-Madison > _______________________________________________ > gem5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > -- *thanks®ards * *BISWABANDAN*
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