[gem5-users] Instructions on memory bus-O3CPU
Hi All, I want to find the memory address that the LD instruction loads data from and track the instruction that consumes the data obtained by the load.(i.e. the load loads data from a given address into a register X, then the AND instruction consumes the data from the memory bus before that data is committed to the X register ). Where can I find the place that the instructions are waiting on the memory bus? is it in IEW_impl.hh? Any help would be appreciated. Thanks ___ gem5-users mailing list -- gem5-users@gem5.org To unsubscribe send an email to gem5-users-le...@gem5.org %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s
[gem5-users] Re: Use checkpoints and fast-forward simultaneously and --outdir option support
Saideepak, Thanks so much for your help. I did not expect the position of the parameter would cause the problem. Thanks again! Best, Jinpeng > On Jul 22, 2020, at 9:34 PM, Saideepak Bejawada via gem5-users > wrote: > > Hi Jinpeng, > > I suspect you are giving it in the wrong place. You should specify the option > right after 'build/ISA/gem5.opt' in the command. Hope this helps. > > Thanks, > Saideepak. > ___ > gem5-users mailing list -- gem5-users@gem5.org > To unsubscribe send an email to gem5-users-le...@gem5.org > %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s ___ gem5-users mailing list -- gem5-users@gem5.org To unsubscribe send an email to gem5-users-le...@gem5.org %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s
[gem5-users] Re: Use checkpoints and fast-forward simultaneously and --outdir option support
Hi Jinpeng, I suspect you are giving it in the wrong place. You should specify the option right after 'build/ISA/gem5.opt' in the command. Hope this helps. Thanks, Saideepak. ___ gem5-users mailing list -- gem5-users@gem5.org To unsubscribe send an email to gem5-users-le...@gem5.org %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s
[gem5-users] Re: Use checkpoints and fast-forward simultaneously and --outdir option support
Hi Saideepak, Thanks for trying to help me out. When I use --outdir in the command, I got "fs.py: error: no such option: —outdir." Since there is no --outdir option in the Options.py. --outdir option is actually belonging to m5.options. So I wonder how to insert this parameter from the command line. Thanks. Best, Jinpeng___ gem5-users mailing list -- gem5-users@gem5.org To unsubscribe send an email to gem5-users-le...@gem5.org %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s
[gem5-users] Re: Need help in compiling the kernel
To compile kernel see e.g.: https://raspberrypi.stackexchange.com/questions/192/how-do-i-cross-compile-the-kernel-on-a-ubuntu-host but replace arm with arm64 and the compile with the aarch64 one for 64-bit arm. All other ISAs are analogous. The ARM configs are in-tree of the official arm gem5 kernel fork e.g.: https://gem5.googlesource.com/arm/linux/+/refs/heads/gem5/v4.15/arch/arm64/configs/gem5_defconfig The patch at https://www.mail-archive.com/gem5-users@gem5.org/msg06169.html contains changes to arch/arm, so it will only work for arm. You could try to port. The question then is why it wasn't merged. Maybe CC. Andreas Sandberg. Possibly related Q to your request: https://stackoverflow.com/questions/54133479/accessing-logical-software-thread-id-in-gem5 From: Saideepak Bejawada via gem5-users Sent: Wednesday, July 22, 2020 9:32 AM To: gem5-users@gem5.org Cc: Saideepak Bejawada Subject: [gem5-users] Need help in compiling the kernel Hi all, I am trying to get the PID information from Processinfo: :pid . I got stuck at the panic which says 'thread info not compiled into kernel'. I have been looking into older posts regarding this. https://lists.gem5.org/archives/list/gem5-users@gem5.org/thread/MLWTK3SQMOVZ5IKLVV2L24IVPFA5TTLJ/#MLWTK3SQMOVZ5IKLVV2L24IVPFA5TTLJ https://lists.gem5.org/archives/list/gem5-users@gem5.org/thread/U2UQ6RHTL7VPKQY45SUKCGCT3M5OQAXG/#U2UQ6RHTL7VPKQY45SUKCGCT3M5OQAXG They say we have to recompile the kernel adding the thread info structure into it. I have never compiled a kernel before. Can anyone help me on how to do this? I found a patch here for the kernel: https://www.mail-archive.com/gem5-users@gem5.org/msg06169.html It says it is for ARM. Will the kernel patches be specific for ISAs? Also, how can I apply this patch? Any comments are welcome. Thanks for your time. Thanks, Saideepak. ___ gem5-users mailing list -- gem5-users@gem5.org To unsubscribe send an email to gem5-users-le...@gem5.org %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s ___ gem5-users mailing list -- gem5-users@gem5.org To unsubscribe send an email to gem5-users-le...@gem5.org %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s
[gem5-users] Re: Regarding SMT
Hi Saideepak, I believe that Arm supports SMT. I'm not sure if *any* ISA's support for SMT is tested regularly, though. So it may or may not work. Cheers, Jason On Wed, Jul 22, 2020 at 1:07 AM Saideepak Bejawada via gem5-users < gem5-users@gem5.org> wrote: > Thanks, Jason. > I should have given the binaries in ' '. When I do that I am getting the > error as mentioned in the link. Are there any other ISAs which do not > support SMT as of know?. > ___ > gem5-users mailing list -- gem5-users@gem5.org > To unsubscribe send an email to gem5-users-le...@gem5.org > %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s > ___ gem5-users mailing list -- gem5-users@gem5.org To unsubscribe send an email to gem5-users-le...@gem5.org %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s
[gem5-users] Can the packet check the CPU that will arrive?
I want to check which CPU core a particular packet arrives at in a multi-core system. Is there any way to check the packet data? Or should I look at the other part? ___ gem5-users mailing list -- gem5-users@gem5.org To unsubscribe send an email to gem5-users-le...@gem5.org %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s
[gem5-users] Regarding "CleanEvict" and "WritebackDirty" in gem5
Hi, What is/are the difference(s) between "*CleanEvict*" requests and " *WritebackClean*" requests in gem5 cache? The "*CleanEvict*" is considered to be giving zero for both checks of *isRead( )* and* isWrite()*, whereas, the "*WritebackClean*" is of type *isWrite( )*. What do they actually mean, and how are they handled in gem5? Is there documentation specifying what are the meaning of such different types of memory requests in gem5? Thanks, Aritra ___ gem5-users mailing list -- gem5-users@gem5.org To unsubscribe send an email to gem5-users-le...@gem5.org %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s
[gem5-users] Need help in compiling the kernel
Hi all, I am trying to get the PID information from Processinfo: :pid . I got stuck at the panic which says 'thread info not compiled into kernel'. I have been looking into older posts regarding this. https://lists.gem5.org/archives/list/gem5-users@gem5.org/thread/MLWTK3SQMOVZ5IKLVV2L24IVPFA5TTLJ/#MLWTK3SQMOVZ5IKLVV2L24IVPFA5TTLJ https://lists.gem5.org/archives/list/gem5-users@gem5.org/thread/U2UQ6RHTL7VPKQY45SUKCGCT3M5OQAXG/#U2UQ6RHTL7VPKQY45SUKCGCT3M5OQAXG They say we have to recompile the kernel adding the thread info structure into it. I have never compiled a kernel before. Can anyone help me on how to do this? I found a patch here for the kernel: https://www.mail-archive.com/gem5-users@gem5.org/msg06169.html It says it is for ARM. Will the kernel patches be specific for ISAs? Also, how can I apply this patch? Any comments are welcome. Thanks for your time. Thanks, Saideepak. ___ gem5-users mailing list -- gem5-users@gem5.org To unsubscribe send an email to gem5-users-le...@gem5.org %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s
[gem5-users] Modelling Non-Volatile Cache in gem5
Hi, How can we model a non-volatile cache, with asymmetric read and write latency, into gem5? Which files need to be changed? How could we differentiate between reads and writes? - Aritra ___ gem5-users mailing list -- gem5-users@gem5.org To unsubscribe send an email to gem5-users-le...@gem5.org %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s
[gem5-users] Re: Use checkpoints and fast-forward simultaneously and --outdir option support
Hi Jinpeng, What is the problem that you are facing with --outdir? - Saideepak. ___ gem5-users mailing list -- gem5-users@gem5.org To unsubscribe send an email to gem5-users-le...@gem5.org %(web_page_url)slistinfo%(cgiext)s/%(_internal_name)s
