请问有并行debug的工具吗？
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一直用gdb调试程序，但却不会并行调试。最近写的代码单核运行没问题了，但并行运行有问题，应该是不同processor交界面处出现问题。之前对并行这方面涉及不多，对并行编程思想认识不直观，故想尝试并行调试。
我在openWiki上看到一个mpirunDebug文件(文件如下)，但是不会用。求大佬指点一二，或者有什么好用的并行debug工具推荐一下？
#!/bin/sh # # Driver script to run mpi jobs with the processes in separate # windows or to separate log files. # Requires bash on all processors. PROGNAME=`basename $0` PROGDIR=`dirname $0` if [ `uname -s` = 'Linux' ]; then ECHO='echo -e' else ECHO='echo' fi printUsage() { echo "" echo "Usage: $PROGNAME -np <dd> <executable> <args>" echo "" echo "This will run like mpirun but with each process in an xterm" } nProcs='' exec='' args='' while [ "$1" != "" ]; do echo "$1" case $1 in -np) nProcs=$2;shift ;; *) if [ ! "$exec" ]; then exec=$1 elif [ ! "$args" ]; then args="\"$1\"" else args="$args \"$1\"" fi ;; esac shift done echo "nProcs=$nProcs" echo "exec=$exec" echo "args=$args" if [ ! "$nProcs" ]; then printUsage exit 1 fi if [ ! "$args" ]; then printUsage exit 1 fi if [ ! "$exec" ]; then printUsage exit 1 fi exec=`which $exec` if [ ! -x "$exec" ]; then echo "Cannot find executable $exec or is not executable" printUsage exit 1 fi echo "run $args" > $HOME/gdbCommands echo "where" >> $HOME/gdbCommands echo "Constructed gdb initialization file $HOME/gdbCommands" $ECHO "Choose running method: 1)gdb+xterm 2)gdb 3)log 4)xterm+valgrind 5)nemiver: \c" read method if [ "$method" -ne 1 -a "$method" -ne 2 -a "$method" -ne 3 -a "$method" -ne 4 -a "$method" -ne 5 ]; then printUsage exit 1 fi $ECHO "Run all processes local or distributed? 1)local 2)remote: \c" read spawn if [ "$spawn" -ne 1 -a "$spawn" -ne 2 ]; then printUsage exit 1 fi # check ~/.$WM_PROJECT/$WM_PROJECT_VERSION/ # check ~/.$WM_PROJECT/ # check <installedProject>/etc/ if [ "$WM_PROJECT" ]; then for i in \ $HOME/.WM_PROJECT/$WM_PROJECT_VERSION \ $HOME/.WM_PROJECT \ $WM_PROJECT_DIR/etc \ ; do if [ -f "$i/bashrc" ]; then sourceFoam="$i/bashrc" break fi done fi # Construct test string for remote execution. # Source OpenFOAM settings if OpenFOAM environment not set. # attempt to preserve the installation directory 'FOAM_INST_DIR' if [ "$FOAM_INST_DIR" ]; then sourceFoam='[ "$WM_PROJECT" ] || '"FOAM_INST_DIR=$FOAM_INST_DIR . $sourceFoam" else sourceFoam='[ "$WM_PROJECT" ] || '". $sourceFoam" fi echo "**sourceFoam:$sourceFoam" rm -f $HOME/mpirun.schema touch $HOME/mpirun.schema proc=0 xpos=0 ypos=0 for ((proc=0; proc<$nProcs; proc++)) do procCmdFile="$HOME/processor${proc}.sh" procLog="processor${proc}.log" geom="-geometry 120x20+$xpos+$ypos" node="" if [ .$WM_MPLIB = .OPENMPI ]; then node="-np 1 " elif [ .$WM_MPLIB = .LAM ]; then if [ "$spawn" -eq 2 ]; then node="c${proc} " fi fi echo "#!/bin/sh" > $procCmdFile if [ "$method" -eq 1 ]; then echo "$sourceFoam; cd $PWD; gdb -command $HOME/gdbCommands $exec 2>&1 | tee $procLog; read dummy" >> $procCmdFile #echo "$sourceFoam; cd $PWD; $exec $args; read dummy" >> $procCmdFile echo "${node}xterm -font fixed -title 'processor'$proc $geom -e $procCmdFile" >> $HOME/mpirun.schema elif [ "$method" -eq 2 ]; then echo "$sourceFoam; cd $PWD; gdb -command $HOME/gdbCommands >& $procLog" >> $procCmdFile echo "${node}$procCmdFile" >> $HOME/mpirun.schema elif [ "$method" -eq 3 ]; then echo "$sourceFoam; cd $PWD; $exec $args >& $procLog" >> $procCmdFile echo "${node}$procCmdFile" >> $HOME/mpirun.schema elif [ "$method" -eq 4 ]; then echo "$sourceFoam; cd $PWD; valgrind $exec $args; read dummy" >> $procCmdFile echo "${node}xterm -font fixed -title 'processor'$proc $geom -e $procCmdFile" >> $HOME/mpirun.schema elif [ "$method" -eq 5 ]; then ## maybe could use nemiver sessions for reloading breakpoints --session=<N> or --last # echo "$sourceFoam; cd $PWD; nemiver --last $exec $args; read dummy" >> $procCmdFile echo "$sourceFoam; cd $PWD; nemiver $exec $args; read dummy" >> $procCmdFile # echo "$sourceFoam; cd $PWD; ddd --args $exec $args; read dummy" >> $procCmdFile echo "${node} $procCmdFile" >> $HOME/mpirun.schema fi chmod +x $procCmdFile let column=proc%6 if [ $proc -ne 0 -a $column -eq 0 ]; then ((xpos+=600)) ((ypos=0)) else ((ypos+=200)) fi done for ((proc=0; proc<$nProcs; proc++)) do procLog="processor${proc}.log" echo " tail -f $procLog" done $ECHO "Constructed $HOME/mpirun.schema file. Press return to execute.\c" read dummy if [ .$WM_MPLIB = .OPENMPI ]; then mpirun -app $HOME/mpirun.schema </dev/null elif [ .$WM_MPLIB = .LAM ]; then mpirun $HOME/mpirun.schema </dev/null fi -
