[85] | 1 | #!/bin/bash |
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| 2 | |
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[82] | 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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[2] | 6 | |
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[112] | 7 | #-----[ global variable ]----------------------------------- |
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[2] | 8 | |
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[112] | 9 | #-----[ nb_cpu ]-------------------------------------------- |
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| 10 | function nb_cpu () |
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[2] | 11 | { |
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[112] | 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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[78] | 26 | echo "Arguments : "; |
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[112] | 27 | echo " * work_dir : directory to execute command"; |
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[78] | 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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[2] | 30 | echo ""; |
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[78] | 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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[112] | 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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[2] | 36 | echo ""; |
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| 37 | exit; |
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| 38 | } |
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| 39 | |
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[112] | 40 | #-----[ execute_n_test_usage ]------------------------------ |
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| 41 | function execute_n_test_usage () |
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[2] | 42 | { |
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[112] | 43 | if test ${#} -ne 2 -a ${#} -ne 3; then |
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| 44 | execute_n_usage; |
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[2] | 45 | fi; |
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| 46 | |
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[112] | 47 | if test ! -d ${1}; then |
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| 48 | echo "Directory ${1} is invalid"; |
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| 49 | fi; |
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[2] | 50 | |
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[112] | 51 | if test -z "${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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[2] | 54 | fi; |
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| 55 | |
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[112] | 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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[2] | 59 | fi; |
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| 60 | |
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[112] | 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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[2] | 64 | fi; |
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| 65 | } |
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| 66 | |
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[112] | 67 | #-----[ execute_n_main ]------------------------------------ |
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| 68 | function execute_n () |
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[2] | 69 | { |
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[112] | 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}-$$" |
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[2] | 77 | |
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[112] | 78 | execute_n_test_usage ${*}; |
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[2] | 79 | |
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[112] | 80 | if test ${#} -eq 2; then |
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| 81 | if test ${3} -lt ${NB_PROCESS}; then |
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| 82 | NB_PROCESS=${3}; |
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[2] | 83 | fi; |
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| 84 | fi; |
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| 85 | |
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[112] | 86 | FILE_CPT="${WORK_DIR}/control-"$(basename ${FILE_CMD}); |
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| 87 | FILE_CPU="${WORK_DIR}/${ID}"; |
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[2] | 88 | |
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[112] | 89 | echo " * <${HOSTNAME}> ${NB_PROCESS} process"; |
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[2] | 90 | |
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| 91 | local -i IT_NB_PROCESS=1; |
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| 92 | local -i PID=$$; |
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| 93 | |
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[112] | 94 | echo "${NB_PROCESS}" > ${FILE_CPU}; |
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[2] | 95 | |
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| 96 | # create the same number of thread that processor |
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[112] | 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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[2] | 100 | |
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[112] | 101 | if test "$$" -ne ${PID}; then |
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[2] | 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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[112] | 108 | execute_n ${*}; |
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