Cosmetics.

[simgrid.git] / src / smpi / smpirun.in

diff --git a/src/smpi/smpirun.in b/src/smpi/smpirun.in
index 805bfb3..bf5607e 100755 (executable)
--- a/src/smpi/smpirun.in
+++ b/src/smpi/smpirun.in
@@ -1,5 +1,11 @@
 #! /bin/sh
 
+# Copyright (c) 2007-2014. The SimGrid Team.
+# All rights reserved.
+
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the license (GNU LGPL) which comes with this package.
+
 @CMAKE_SMPI_COMMAND@
 
 DEFAULT_LOOPBACK_BANDWIDTH="498000000"
@@ -33,7 +39,7 @@ Options:
   -trace-comment-file <file> # put file contents on the top of the trace file as comment
   -trace-grouped             # group MPI processes by location
   -trace-resource            # trace resource utilization
-  -trace-viva               # generate configuration for Viva's GraphView
+  -trace-viva                # generate configuration for Viva's GraphView
   -trace-file <tracefile>    # name of the tracefile (simgrid_smpi.trace)
   -ext <value>               # additional parameter (reserved)
 
@@ -52,6 +58,7 @@ fi
 
 EXTOPT=""
 WRAPPER=""
+HOSTFILE=""
 
 while true; do
   case "$1" in
@@ -84,6 +91,15 @@ while true; do
        shift 2
     ;;
 
+   "-machinefile")
+       HOSTFILE="$2"
+      if [ ! -f "${HOSTFILE}" ]; then
+               echo "[$0] ** error: the file '${HOSTFILE}' does not exist. Aborting."
+               exit 1
+      fi
+       shift 2
+    ;;
+
    "-ext")
       EXTOPT="$2"
       shift 2
@@ -190,12 +206,6 @@ done
 
 ##-----------------------------------
 
-# Basic checks on the provided arguments
-if [ -z "${EXEC}" ] ; then
-    echo "You must provide a program to execute."
-    usage
-    exit 1
-fi
 
 if [ -z "${HOSTFILE}" ] && [ -z "${PLATFORM}" ] ; then
     echo "No hostfile nor platform specified."
@@ -209,6 +219,21 @@ if [ -z "${HOSTFILE}" ] ; then
     HOSTFILE="$(mktemp tmphostXXXXXX)"
     perl -ne 'print "$1\n" if /.*<host.*?id="(.*?)".*?\/>.*/' ${PLATFORM} > ${HOSTFILE}
 fi
+UNROLLEDHOSTFILETMP=0
+
+#parse if our lines are terminated by :num_process
+multiple_processes=`grep -c ":" $HOSTFILE`
+if [ "${multiple_processes}" -gt 0 ] ; then
+    UNROLLEDHOSTFILETMP=1
+    UNROLLEDHOSTFILE="$(mktemp tmphostXXXXXX)"
+    perl -ne ' do{ for ( 1 .. $2 ) { print "$1\n" } } if /(.*?):(\d+).*/'  ${HOSTFILE}  > ${UNROLLEDHOSTFILE}
+    if [ ${HOSTFILETMP} = 1 ] ; then
+        rm ${HOSTFILE}
+        HOSTFILETMP=0
+    fi
+    HOSTFILE=$UNROLLEDHOSTFILE
+fi
+
 
 # Don't use wc -l to compute it to avoid issues with trailing \n at EOF
 hostfile_procs=`grep -c "[a-zA-Z0-9]" $HOSTFILE`
@@ -234,20 +259,26 @@ if [ -z "${PLATFORM}" ]; then
 <AS id="AS0" routing="Full">
 PLATFORMHEAD
 
-for i in $(echo "for (i=${NUMPROCS};i>0;i--) i"|bc); do
+i=${NUMPROCS}
+while [ $i -gt 0 ]; do
   echo "  <host id=\"host$i\" power=\"${POWER}\"/>" >> ${PLATFORMTMP}
   echo "  <link id=\"loop$i\" bandwidth=\"${LOOPBACK_BANDWIDTH}\" latency=\"${LOOPBACK_LATENCY}\"/>" >> ${PLATFORMTMP}
   echo "  <link id=\"link$i\" bandwidth=\"${NETWORK_BANDWIDTH}\" latency=\"${NETWORK_LATENCY}\"/>" >> ${PLATFORMTMP}
+  i=$((i - 1))
 done
 
-for i in $(echo "for (i=${NUMPROCS};i>0;i--) i"|bc); do
-  for j in $(echo "for (i=${NUMPROCS};i>0;i--) i"|bc); do
+i=${NUMPROCS}
+while [ $i -gt 0 ]; do
+  j=${NUMPROCS}
+  while [ $j -gt 0 ]; do
     if [ $i -eq $j ]; then
       echo "  <route src=\"host$i\" dst=\"host$j\"><link_ctn id=\"loop$i\"/></route>" >> ${PLATFORMTMP}
     else
       echo "  <route src=\"host$i\" dst=\"host$j\"><link_ctn id=\"link$i\"/><link_ctn id=\"link$j\"/></route>" >> ${PLATFORMTMP}
     fi
+    j=$((j - 1))
   done
+  i=$((i - 1))
 done
 
 cat >> ${PLATFORMTMP} <<PLATFORMFOOT
@@ -273,14 +304,14 @@ APPLICATIONHEAD
 
 ##---- cache hostnames of hostfile---------------
 if [ -n "${HOSTFILE}" ] && [ -f ${HOSTFILE} ]; then
-  hostnames=$(cat ${HOSTFILE} | tr \\\n " ")
+  hostnames=$(cat ${HOSTFILE} | tr '\n\r' '  ')
   NUMHOSTS=$(cat ${HOSTFILE} | wc -l)
 fi
 
 if [ "${EXTOPT}" = "smpi_replay" ]; then
   APP_TRACES=$PROC_ARGS
   if [ -n "${APP_TRACES}" ] && [ -f "${APP_TRACES}" ]; then
-     hosttraces=$(cat ${APP_TRACES} | tr \\\n " ")
+     hosttraces=$(cat ${APP_TRACES} | tr '\n\r' '  ' )
      NUMTRACES=$(cat ${APP_TRACES} | wc -l)
   else
      printf "File not found: %s\n", "${APP_TRACES:-\${APP_TRACES\}}" >&2
@@ -388,10 +419,21 @@ if [ -n "${KEEP}" ] ; then
   if [ ${HOSTFILETMP} = 1 ] ; then
     echo "Generated hostfile ${HOSTFILE} keeped."
   fi
+  if [ ${UNROLLEDHOSTFILETMP} = 1 ] ; then
+    echo "Generated unrolled hostfile ${UNROLLEDHOSTFILE} keeped." 
+  fi
 fi
 ${EXEC} ${TRACEOPTIONS} ${SIMOPTS} ${PLATFORMTMP} ${APPLICATIONTMP}
 status=$?
 
+if [ ${status} = 139 ]; then
+    cat >&2 <<EOF
+ERROR: A segmentation fault was triggered.
+A common cause in SimGrid may be the use of a too small stack size for the simulated processes (default 8192 KiB).
+Please see contexts/stack_size parameter, or http://simgrid.org/simgrid/latest/doc/options.html#options_virt_stacksize
+EOF
+fi
+
 if [ -z "${KEEP}" ] ; then
    if [ -z "${PLATFORM}" ]; then
        rm ${PLATFORMTMP}
@@ -399,6 +441,9 @@ if [ -z "${KEEP}" ] ; then
    if [ ${HOSTFILETMP} = 1 ] ; then
         rm ${HOSTFILE}
    fi
+   if [ ${UNROLLEDHOSTFILETMP} = 1 ] ; then
+        rm ${UNROLLEDHOSTFILE}
+   fi
    rm ${APPLICATIONTMP}
 fi