52850dcb8d
Otherwise rsync may fail if the client machine's /tmp directory is almost full. git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1656 8c4709b5-6ec9-48aa-a5cd-a96041d1645a
63 lines
1.7 KiB
Bash
Executable File
63 lines
1.7 KiB
Bash
Executable File
#!/bin/bash
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#
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# multiple-clients.sh [num_clients]
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# Starts multiple client.sh instances in a new tmux session. The number of
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# clients defaults to #CPUs+1.
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#
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# Prerequisites:
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# - client.sh and all necessary FailBochs ingredients (fail-client binary,
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# bochsrc, BIOS/VGA-BIOS, boot image, possibly a saved state) in the current
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# directory
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# - tmux installed somewhere in $PATH
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# - possibly missing dynamic libraries in ~/bochslibs (e.g., for running a
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# i386 fail-client/bochs binary in an x86_64 environment)
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#
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set -e
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umask 0077
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LIBDIR=~/bochslibs
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# cleanup earlier failures
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# (FIXME: you probably don't want this on your local machine!)
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killall -q client.sh || true
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killall -q fail-client || true
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sleep .5
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killall -q -9 fail-client || true
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# On many machines, ~ is mounted via NFS. To avoid the (severe) performance
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# penalty, copy all experiment-related stuff to /tmp.
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TMP=/tmp/fail.$(id -nu)
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mkdir -p $TMP
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rsync -a --delete-before * $TMP/
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if [ -d $LIBDIR ]
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then
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rsync -a --delete-before $LIBDIR $TMP/
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fi
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cd $TMP
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# tmux, please shut up.
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TMUX='tmux -q'
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COMMAND=./client.sh
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SESSION=fail-client.$$
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# Calculate number of clients from #processors.
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PROCESSORS=$(fgrep processor /proc/cpuinfo|wc -l)
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if [ -z "$1" ]
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then
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NWIN=$PROCESSORS
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else
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NWIN=$1
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fi
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# Run $NWIN clients in a new tmux session.
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$TMUX new-session -s $SESSION -d "$COMMAND"
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for i in $(seq 1 $(($NWIN-1)))
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do
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$TMUX new-session -t $SESSION -d \; split-window -h "$COMMAND"
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$TMUX new-session -t $SESSION -d \; select-layout tiled
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done
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# Some diagnostics for the operator.
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echo "$(uname -n) ($PROCESSORS CPUs @ $(fgrep MHz /proc/cpuinfo|head -n1|awk '{print $(NF)}') MHz): started $NWIN clients"
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#$TMUX attach -t $SESSION
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