Performance tools #13
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…rmance data. Usage: $ docker exec wtdwtf-nodebb ps -ef | grep node $ ps -ef | grep node $ sudo ./collect-stacks.bash $DOCKER_PID $HOST_PID That will output a nodestacks file that can be used to make a flamegraph: https://yunon.io/2015/11/23/generating-node-js-flame-graphs/
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Add
--perf-basic-prof-only-functionsflag to node invocation to allow us to get stack traces when a node process goes to 100% CPU.Also
collect-stacks.bashscript for collecting the stack traces.