Hi, I'm trying to follow
http://blog.nodejs.org/2012/04/25/profiling-node-js/
on
* Ubuntu 14.04
* Node compiled from github source on yesterday
to get a flame graph of a node program.
But I fail on step 2.
dtrace -n 'profile-97/execname == "node" && arg1/{
@[jstack(150, 8000)] = count(); } tick-60s { exit(0); }' > stacks.out
In my case writes this on stacks.out:
Usage /usr/bin/dtrace [--help] [-h | -G] [-C [-I<Path>]] -s File.d [-o
<File>]
Also, doing a man dtrace I see that there is no -n option.
So I'd say that that post is outdated. But also I've read that dtrace for
linux kind of sucks, so I'm not sure what's going on.
Also I've seen this problem is quickly mentioned here
http://logs.nodejs.org/node.js/2014-02-19
but not solved.
Please, do you know if there is still a way to get a flamegraph from node
on Linux?
Thank you!
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