1 | #!/bin/bash |
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2 | |
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3 | #----------------------------------------------------------- |
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4 | # $Id: execute_n.sh 112 2009-03-18 22:36:26Z rosiere $ |
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5 | #----------------------------------------------------------- |
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6 | |
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7 | #-----[ global variable ]----------------------------------- |
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8 | |
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9 | #-----[ nb_cpu ]-------------------------------------------- |
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10 | function nb_cpu () |
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11 | { |
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12 | local FILE_CPUINFO=/proc/cpuinfo; |
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13 | if test ! -f ${FILE_CPUINFO}; then |
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14 | echo "\"${FILE_CPUINFO}\" don't exist." |
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15 | usage; |
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16 | fi; |
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17 | |
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18 | #eval "${1}=`grep -c \"processor\" ${FILE_CPUINFO}`"; |
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19 | grep -c "processor" ${FILE_CPUINFO}; |
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20 | } |
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21 | |
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22 | #-----[ execute_n_usage ]----------------------------------- |
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23 | function execute_n_usage () |
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24 | { |
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25 | echo "Usage : ${0} word_dir file [ nb_process ]"; |
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26 | echo "Arguments : "; |
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27 | echo " * work_dir : directory to execute command"; |
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28 | echo " * file : list of command"; |
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29 | echo " * nb_process : number of process (default (and maximum) is the number of processor)"; |
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30 | echo ""; |
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31 | echo "Note : "; |
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32 | echo " * This script, for each command, create a directory : Task_X (X is the number of command), and execute the command in this directory."; |
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33 | echo " * Two file is generate : \"output\" is the output of the execution, and \"command\" is the command lunch."; |
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34 | # echo " * A command empty (no command on a line of file) is a synchronisation with all process" |
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35 | echo " * Don't forgot the final end of line (else the last command is not executed)"; |
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36 | echo ""; |
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37 | exit; |
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38 | } |
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39 | |
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40 | #-----[ execute_n_test_usage ]------------------------------ |
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41 | function execute_n_test_usage () |
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42 | { |
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43 | if test ${#} -ne 2 -a ${#} -ne 3; then |
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44 | execute_n_usage; |
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45 | fi; |
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46 | |
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47 | if test ! -d ${1}; then |
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48 | echo "Directory ${1} is invalid"; |
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49 | fi; |
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50 | |
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51 | if test -z "${MORPHEO_SCRIPT}"; then |
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52 | echo "Environment variable MORPHEO_SCRIPT is not set"; |
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53 | distexe_usage; |
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54 | fi; |
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55 | |
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56 | if test ! -f ${2}; then |
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57 | echo "File \"${2}\" don't exist"; |
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58 | execute_n_usage; |
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59 | fi; |
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60 | |
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61 | if test ! -s ${2}; then |
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62 | echo "File \"${2}\" is empty"; |
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63 | execute_n_usage; |
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64 | fi; |
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65 | } |
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66 | |
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67 | #-----[ execute_n_main ]------------------------------------ |
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68 | function execute_n () |
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69 | { |
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70 | local -i NB_PROCESS=$(nb_cpu); |
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71 | local -i CPT; |
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72 | local WORK_DIR=${1}; |
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73 | local FILE_CMD=${2}; |
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74 | local FILE_CPT; |
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75 | local FILE_CPU; |
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76 | local ID="cpu-${HOSTNAME}-$$" |
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77 | |
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78 | execute_n_test_usage ${*}; |
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79 | |
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80 | if test ${#} -eq 2; then |
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81 | if test ${3} -lt ${NB_PROCESS}; then |
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82 | NB_PROCESS=${3}; |
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83 | fi; |
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84 | fi; |
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85 | |
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86 | FILE_CPT="${WORK_DIR}/control-"$(basename ${FILE_CMD}); |
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87 | FILE_CPU="${WORK_DIR}/${ID}"; |
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88 | |
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89 | echo " * <${HOSTNAME}> ${NB_PROCESS} process"; |
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90 | |
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91 | local -i IT_NB_PROCESS=1; |
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92 | local -i PID=$$; |
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93 | |
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94 | echo "${NB_PROCESS}" > ${FILE_CPU}; |
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95 | |
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96 | # create the same number of thread that processor |
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97 | while test ${IT_NB_PROCESS} -le ${NB_PROCESS}; do |
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98 | ${MORPHEO_SCRIPT}/execute.sh ${WORK_DIR} ${FILE_CMD} ${FILE_CPT} ${FILE_CPU} & |
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99 | IT_NB_PROCESS=$((${IT_NB_PROCESS}+1)); |
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100 | |
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101 | if test "$$" -ne ${PID}; then |
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102 | break; |
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103 | fi; |
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104 | done |
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105 | } |
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106 | |
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107 | #-----[ Corps ]--------------------------------------------- |
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108 | execute_n ${*}; |
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