Why is your application calling sys_clone at that point? It can't find any more thread contexts because you have already used them all.
If you application is using pthread_create() you probably don't need to execute 4 instances of it. Jason On Tue, Oct 25, 2016 at 5:54 PM anoir nechi <anoirne...@gmail.com> wrote: > > > *Hi again* > *I've tried what you told me about the multi-threaded workload like this:* > > for i in xrange(np): > p = LiveProcess() > p.cmd = ['/home/anoir/m5threads/lock_test/test_lock'] > system.cpu[i].workload = p > system.cpu[i].createThreads() > > > > *but i get this error message:*Beginning simulation! > info: Entering event queue @ 0. Starting simulation... > warn: CP14 unimplemented crn[0], opc1[6], crm[3], opc2[4] > [main]a rwlock is initialized > [main]a rwlock is initialized > [main]a rwlock is initialized > [main]a rwlock is initialized > > > 1. read lock test > 1. read lock test > 1. read lock test > 1. read lock test > [main]a read lock is obtained > [main]a read lock is obtained > [main]a read lock is obtained > [main]a read lock is obtained > fatal: Called sys_clone, but no unallocated thread contexts found! > @ tick 26207000 > [cloneFunc:build/ARM/sim/syscall_emul.cc, line 875] > Memory Usage: 662792 KBytes > Program aborted at cycle 26207000 > Aborted (core dumped) > > > *What could be wrong??* > *Please take a look at the test_lock code * > > > On Wed, Oct 12, 2016 at 4:42 PM, anoir nechi <anoirne...@gmail.com> wrote: > > Thank you Jason > > On Wed, Oct 12, 2016 at 4:39 PM, Jason Lowe-Power <ja...@lowepower.com> > wrote: > > This should work. > > Attached is a diff for the simple.py script in > configs/learning_gem5/part1/ that has 4 CPUs and runs hello 4 times. > Hopefully this helps. > > For a multithreaded application, I believe you'll use a similar config > script (instantiate multiple processes all with the same binary file path). > Then, the binaries should be linked to m5threads instead of pthreads. > > Jason > > On Mon, Oct 10, 2016 at 8:16 AM anoir nechi <anoirne...@gmail.com> wrote: > > > > *Hi * > > *I wrote a configuration script for a multicore system based on ARM and it > seems fine except for the workload. i wanted to try testing the > configuration by assigning a hello world executable for each CPU.* > *I tried creating different processes but I've got some indexing error > then i made a for loop like this:* > i=0 > for i in xrange(np): > process = LiveProcess() > process.cmd = ['tests/test-progs/hello/bin/arm/linux/hello'] > system.cpu[i].workload = process > system.cpu[i].createThreads() > *and all i get is this :* > Global frequency set at 1000000000000 ticks per second > warn: DRAM device capacity (4096 Mbytes) does not match the address range > assigned (512 Mbytes) > 0: system.remote_gdb.listener: listening for remote gdb #0 on port 7000 > 0: system.remote_gdb.listener: listening for remote gdb #1 on port 7001 > 0: system.remote_gdb.listener: listening for remote gdb #2 on port 7002 > 0: system.remote_gdb.listener: listening for remote gdb #3 on port 7003 > > *it suppose to show 4 x Hello World!. i don't understand the problem!!* > > *One other thing, i know that to use a multithreaded application I have > to use the m5threads, But, do I have to apply some changes to my > configuration script to support the multithreaded applications ?* > > *Thank you* > > *PS : Attached the configuration script* > -- > *Anouar NECHI* > > > *IT Engineer : Industrial systemsHigher Institute of Computer Science* > > > _______________________________________________ > > gem5-users mailing list > > gem5-users@gem5.org > > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > > > _______________________________________________ > gem5-users mailing list > gem5-users@gem5.org > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > > > > > -- > *Anouar NECHI* > > > *IT Engineer : Industrial systemsHigher Institute of Computer ScienceTunis > - El Manar University* > *Phone :* *(+216) 50 311 536 <%28%2B216%29%2050%20311%20536>* > *E-mail :* *anoirne...@gmail.com <anoirne...@gmail.com>* > > > > > -- > *Anouar NECHI* > > > *IT Engineer : Industrial systemsHigher Institute of Computer ScienceTunis > - El Manar University* > *Phone :* *(+216) 50 311 536 <+216%2050%20311%20536>* > *E-mail :* *anoirne...@gmail.com <anoirne...@gmail.com>* > _______________________________________________ > gem5-users mailing list > gem5-users@gem5.org > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
_______________________________________________ gem5-users mailing list gem5-users@gem5.org http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
