50 lines
1.2 KiB
Bash
50 lines
1.2 KiB
Bash
#!/bin/bash
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# Usage: iostat.sh [-p <period_mins>] [-i <interval_seconds>] [-c <cpulist>] [-h]
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TOOLBIN=$(dirname $0)
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# Initialize tools environment variables, and define common utility functions
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. ${TOOLBIN}/engtools_util.sh
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tools_init
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if [ $? -ne 0 ]; then
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echo "FATAL, tools_init - could not setup environment"
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exit $?
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fi
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# Enable use of INTERVAL_SEC sample interval
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OPT_USE_INTERVALS=1
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IOSTAT=$( which iostat 2>/dev/null )
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if [ $? -ne 0 ]; then
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print_separator
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WARNLOG "iostat not available"
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tools_cleanup 0
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fi
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# MAIN Program:
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#-------------------------------------------------------------------------------
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# Parse input options
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tools_parse_options "${@}"
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# Set affinity of current script
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CPULIST=""
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set_affinity ${CPULIST}
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LOG "collecting ${TOOLNAME} for ${PERIOD_MIN} minutes, with ${INTERVAL_SEC} second sample intervals."
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# Print tools generic tools header
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tools_header
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# Calculate number of sample repeats based on overall interval and sampling interval
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((REPEATS = PERIOD_MIN * 60 / INTERVAL_SEC))
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((REP = REPEATS + 1))
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# Execute tool for specified duration
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CMD="${IOSTAT} -k -x -t ${INTERVAL_SEC} ${REP}"
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#LOG "CMD: ${CMD}"
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${CMD}
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LOG "done"
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# normal program exit
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tools_cleanup 0
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exit 0
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