59 lines
1.5 KiB
Bash
59 lines
1.5 KiB
Bash
#!/bin/bash
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#
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# lib/dstat
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# Functions to start and stop dstat
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# Dependencies:
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#
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# - ``functions`` file
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# ``stack.sh`` calls the entry points in this order:
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#
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# - install_dstat
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# - start_dstat
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# - stop_dstat
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# Save trace setting
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_XTRACE_DSTAT=$(set +o | grep xtrace)
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set +o xtrace
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# install_dstat() - Install prerequisites for dstat services
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function install_dstat {
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if is_service_enabled memory_tracker; then
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# Install python libraries required by tools/mlock_report.py
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pip_install_gr psutil
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fi
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}
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# start_dstat() - Start running processes
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function start_dstat {
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# A better kind of sysstat, with the top process per time slice
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run_process dstat "$TOP_DIR/tools/dstat.sh $LOGDIR"
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# To enable memory_tracker add:
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# enable_service memory_tracker
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# to your localrc
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run_process memory_tracker "$TOP_DIR/tools/memory_tracker.sh" "" "root"
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# TODO(jh): Fail when using the old service name otherwise consumers might
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# never notice that is has been removed.
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if is_service_enabled peakmem_tracker; then
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die $LINENO "The peakmem_tracker service has been removed, use memory_tracker instead"
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fi
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# To enable file_tracker add:
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# enable_service file_tracker
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# to your localrc
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run_process file_tracker "$TOP_DIR/tools/file_tracker.sh"
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}
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# stop_dstat() stop dstat process
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function stop_dstat {
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stop_process dstat
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stop_process memory_tracker
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stop_process file_tracker
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}
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# Restore xtrace
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$_XTRACE_DSTAT
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