Node.js — Profiling Node.jsIt's incredibly easy to visualize where your Node program spends its time using DTrace and node-stackvis (a Node port of Brendan Gregg's FlameGraph tool): Run your Node.js program as usual. In another terminal, run: $ dtrace -n 'profile-97/execname == "node" && arg1/{ @[jstack(150, 8000)] = count(); } tick-60s { exit(0); }' > stacks.out This will sample about 100 times per second for 60 seconds an
