Hi Mohammad,
Thank you for the prompt response. I checked the log.switch the first erros and
I fixed was the path, the script needs full-paths to work, so, I fixed that,
once I tried again, it executed and failed a little later.
Got the following output:
launch switch gem5 process on node0 ...
waiting for switch to start ..
node #switch started
START Wed Dec 6 12:36:04 MST 2017
starting gem5 on node0...
starting gem5 on node0...
starting gem5 on node1...
starting gem5 on node1...
starting gem5 on node2 ...
starting gem5 on node2 ...
starting gem5 on node3 ...
starting gem5 on node3 ...
(I) (some) gem5 process(es) exited
KILLED Wed Dec 6 12:37:35 MST 2017
ABORT Wed Dec 6 12:37:35 MST 2017
The log.switch had the following:
command line: /wada/wada/gem5/build/ARM/gem5.opt -d
/wada/wada/gem5/m5out.switch --debug-flags=DistEthernet
/wada/wada/gem5/configs/dist/sw.py
--checkpoint-dir=/wada/wada/gem5/m5out.switch --is-switch --dist-size=8
--dist-server-port=2200
info: Standard input is not a terminal, disabling listeners.
Global frequency set at 1000000000000 ticks per second
0: system.portlink0: DistEtherLink::DistEtherLink() link delay:10000000
ticksPerByte:800
0: global: DistIface() ctor rank:0
info: tcp_iface listening on port 2200
Killed by signal 15.
From: gem5-users [mailto:[email protected]] On Behalf Of Mohammad
Alian
Sent: Tuesday, December 5, 2017 9:18 PM
To: gem5 users mailing list <[email protected]>
Subject: [EXT] Re: [gem5-users] Running Dist-gem5
Hi Vitorio,
You should check the content of log.switch and why gem5 node simulating switch
cannot start. There can be so many reasons that a gem5 process fails to run. If
you print the content of switch.log here then I can help.
Regarding "distributed run", you first need to setup passwordless ssh between
your simulation (physical) hosts and then use "LSB_MCPU_HOSTS" env variable to
assign gem5 processes to physical hosts. E.g. if your simulated cluster size is
8 and you want to run 4 gem5 processes on host_name0 and 4 on host_name1, then
your LSB_MCPU_HOSTS looks like this:
export LSB_MCPU_HOSTS="host_name0 4 host_name1 4"
Best,
Mohammad
On Tue, Dec 5, 2017 at 6:03 PM, Vitorio Cargnini (lcargnini)
<[email protected]<mailto:[email protected]>> wrote:
Hello,
Please, what exactly do I need to run dist-gem5 with the –-dist?
I’m trying, however it fails with “Failed ot start switch”
Also, what do I need in place for it start distributed acroos nodes, instead of
launching multiple/parallel runs in the ‘localhost’.
Regards,
Vitorio.
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