bfdd47c853
Swap stats could be useful for trouble-shooting. It is better to have it enabled in dstat. Change-Id: I44e0735a95cd6ca3def9b04510551df16a1337a4
33 lines
1013 B
Bash
Executable File
33 lines
1013 B
Bash
Executable File
#!/bin/bash
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# **tools/dstat.sh** - Execute instances of DStat to log system load info
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#
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# Multiple instances of DStat are executed in order to take advantage of
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# incompatible features, particularly CSV output and the "top-cpu-adv" and
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# "top-io-adv" flags.
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#
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# Assumes:
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# - dstat command is installed
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# Retreive log directory as argument from calling script.
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LOGDIR=$1
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# Command line arguments for primary DStat process.
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DSTAT_OPTS="-tcmndrylpg --top-cpu-adv --top-io-adv --swap"
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# Command-line arguments for secondary background DStat process.
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DSTAT_CSV_OPTS="-tcmndrylpg --output $LOGDIR/dstat-csv.log"
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# Execute and background the secondary dstat process and discard its output.
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dstat $DSTAT_CSV_OPTS >& /dev/null &
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# Execute and background the primary dstat process, but keep its output in this
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# TTY.
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dstat $DSTAT_OPTS &
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# Catch any exit signals, making sure to also terminate any child processes.
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trap "kill -- -$$" EXIT
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# Keep this script running as long as child dstat processes are alive.
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wait
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