TraceGL alternatives and similar modules
Based on the "Debugging / Profiling" category.
Alternatively, view TraceGL alternatives based on common mentions on social networks and blogs.
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debug
A tiny JavaScript debugging utility modelled after Node.js core's debugging technique. Works in Node.js and web browsers -
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why-is-node-running
Node is running but you don't know why? why-is-node-running is here to help you. -
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llnode
An lldb plugin for Node.js and V8, which enables inspection of JavaScript states for insights into Node.js processes and their core dumps. -
swagger-stats
API Observability. Trace API calls and Monitor API performance, health and usage statistics in Node.js Microservices. -
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thetool
thetool is a CLI tool to capture different cpu, memory and other profiles for your node app in Chrome DevTools friendly format -
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InfluxDB - Purpose built for real-time analytics at any scale.
* Code Quality Rankings and insights are calculated and provided by Lumnify.
They vary from L1 to L5 with "L5" being the highest.
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README
TraceGL
TraceGL MPL release (C) Mozilla Corp
Running traceGL unpackaged:
git clone [email protected]:/traceglMPL/tracegl.git
cd tracegl
node trace/trace_server.js
Packaging tracegl into a single JS file you can copy everywhere (like your home dir)
node tools/packer.js trace/trace_server tracegl.js
cp tracegl.js ~/
How it works
traceGL transforms your JavaScript, injecting monitoring code that produces a log of everything that happens. This log is streamed from the target (node or browser), via the traceGL node.js process to the UI for visualisation. The UI tries to display the resulting huge amount of information fast, and uses webGL to render everything.
Node.js programs
node ~/tracegl [options] yourprogram.js [arguments]
The visualisation UI is available on http://localhost:2000.
Browser JS via static fileserver
The built in static fileserver allows traceGL to instrument all the JavaScript files it serves to the browser and gather information. It auto-reloads the site when a file changes so you can live-code with it.
node tracegl [options] ../path/to/wwwroot
Browser JS via proxy
Sometimes your JavaScript is delivered by your Rails or Java backend to the browser. In this case you need a man-in-the-middle approach via traceGL's proxy mode. For a Ruby backend on port 3000:
node tracegl [options] http://localhost:3000
Editor integration
By doubleclicking on a line in the visualisation UI you can open it in your favorite editor. See the settings for information how to configure this
Commandline options
node ~/tracegl [options] target [args]
target can be 1. a node.js program, 2. a static folder, 3. a proxy target or 4. a gzip file created with -gz to playback.
options can be:
-gz[:trace.gz] Record a trace to gzip file, defaults to trace.gz, doesn't start the UI.
Filtering can be useful to lower the amount of incoming tracedata. Use -do and -no with either a -do:string or a -do/regex match. Use double escaped backslashes in regexps (see -nolib).
-do[/:]match Only trace files where filename contains match.
-no[/:]match Don't trace files where filename names contains match.
-nolib Only see your own code. Short for: -no/jquery.* -no:require.js -no/node\_modules
-noopen Don't try to open the visualisation UI with your default browser
-ui:port Explicitly set the visualisation UI port, default is 2000
-tgt:port Explicitly set the browser JS port, defaults to 2080
-settings Write a settings tracegl.json template in current dir, see settings file
-update Update tracegl.js to the latest version, uses your token to fetch update
Settings file
For other settings and commandline defaults traceGL supports a tracegl.json file which it tries to read from the current directory, your home dir, or the directory you store the tracegl.js file (in that order).
Create a template tracegl.json using the -settings command, and then modify these fields:
"ui":2000 Set the UI port, -ui:port commandline
"tgt":2080 Set the browser JS port, -tgt:port commandline
"no":[":match"] Takes an array, -no commandline options
"do":["/regexp"] Takes an array, -do commandline options
"theme" : "dark" UI Theme, other option: light
Editor integration uses a commandline call to your editor, and uses $file and $line to build up the arguments. Put it in the right platform key (darwin, win32, sunos, linux, freebsd). If you have a configuration thats useful, please consider sharing it in a github issue so it can be turned into a default.
"bin":"/Applications/Sublime Text 2.app/Contents/SharedSupport/bin/subl"
"args":["$file:$line"]
Issues
traceGL cannot instrument JavaScript coming from outside of its reach. For instance if you load jQuery from the google CDN, it cannot visualise that codeflow because it is not delivered by the traceGL proxy or static fileserver. If you keep your JS served through traceGL it should be no problem.