not yet, I'm using 4 cores now On Sat, Jan 31, 2015 at 4:04 AM, Jianghao <[email protected]> wrote:
> Have you solved the problem? I'm in a similar situation.. > > > > On 1/28/2015 10:20 PM, Zehan Cui via gem5-users wrote: > > Thanks. > > I do have 8 cores in my config.ini file. The dtb file is downloaded from > the gem5 website. But I cannot directly read it, so how can I check this? > > Zehan > > On Thu, Jan 29, 2015 at 3:29 AM, Lokesh Jindal <[email protected] > > wrote: > >> My first approach for debug would be this: >> >> -n 8 >> => this configures gem5 system model to have 8 cores >> => you should see 8 cores in your config.ini file in output directory! >> Everything should be as expected till this point! >> >> However, the kernel needs to support as well as be aware of 8 core >> configuration >> => Check if your dtb file (vexpress.aarch64.20140821.dtb) corresponds to >> 4 core configuration! >> => This is easy to check if you have either proper documentation or the >> source dts file that was used to generate this dtb file. Otherwise, I am >> not sure how you can check that. >> >> >> On 01/27/15 23:39, Zehan Cui via gem5-users wrote: >> >> Hello everyone, >> >> I have download the latest aarch64 binary and disk image from this link >> (http://www.gem5.org/dist/current/arm/aarch-system-2014-10.tar.xz). The >> command line I'm using is: >> >> build/ARM/gem5.fast configs/example/fs.py >> --kernel=vmlinux.aarch64.20140821 >> --disk-image=aarch64-ubuntu-trusty-headless.img >> --dtb-filename=vexpress.aarch64.20140821.dtb --machine-type=VExpress_EMM64 >> --caches --l2cache --l3cache --l1d_size=32kB --l1i_size=32kB >> --l2_size=256kB --l3_size=16MB -n 8 >> >> However, I can only see four cores: >> >> [ 0.000000] Virtual kernel memory layout: >> [ 0.000000] vmalloc : 0xffffff8000000000 - 0xffffffbbffff0000 >> (245759 MB) >> [ 0.000000] vmemmap : 0xffffffbc01c00000 - 0xffffffbc02300000 ( >> 7 MB) >> [ 0.000000] modules : 0xffffffbffc000000 - 0xffffffc000000000 ( >> 64 MB) >> [ 0.000000] memory : 0xffffffc000000000 - 0xffffffc020000000 ( >> 512 MB) >> [ 0.000000] .init : 0xffffffc000692000 - 0xffffffc0006c6200 ( >> 209 kB) >> [ 0.000000] .text : 0xffffffc000080000 - 0xffffffc0006914e4 ( >> 6214 kB) >> [ 0.000000] .data : 0xffffffc0006c7000 - 0xffffffc0007141e0 ( >> 309 kB) >> [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 >> [ 0.000000] Preemptible hierarchical RCU implementation. >> [ 0.000000] RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=4. >> [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, >> nr_cpu_ids=4 >> [ 0.000000] NR_IRQS:64 nr_irqs:64 0 >> [ 0.000000] Architected cp15 timer(s) running at 100.00MHz (phys). >> [ 0.000002] sched_clock: 56 bits at 100MHz, resolution 10ns, wraps >> every 2748779069440ns >> [ 0.000068] Console: colour dummy device 80x25 >> [ 0.000072] Calibrating delay loop (skipped) preset value.. 3997.69 >> BogoMIPS (lpj=19988480) >> [ 0.000076] pid_max: default: 32768 minimum: 301 >> [ 0.000110] Mount-cache hash table entries: 1024 (order: 1, 8192 bytes) >> [ 0.000114] Mountpoint-cache hash table entries: 1024 (order: 1, 8192 >> bytes) >> [ 0.000402] hw perfevents: no hardware support available >> [ 0.060098] CPU1: Booted secondary processor >> [ 0.080101] CPU2: Booted secondary processor >> [ 0.100108] CPU3: Booted secondary processor >> [ 0.100130] Brought up 4 CPUs >> [ 0.100138] SMP: Total of 4 processors activated. >> >> >> Does anyone know how to bring up 8 cores? >> >> Thanks, >> Zehan >> >> >> _______________________________________________ >> gem5-users mailing >> [email protected]http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >> >> >> > > > _______________________________________________ > gem5-users mailing > [email protected]http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > > >
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