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v4.0.0

  • internal refactor
  • v8 prof is now the default method of stack collection
  • profile folders renamed to {outputDir}/{name}.0x
  • CLI: add --kernel-tracing option
  • CLI: removed --svg flag
  • CLI: removed --gen flag
  • CLI: removed --timestamp-profiles flag
  • CLI: removed --theme flag
  • CLI: removed --include flag
  • CLI: removed --exclude | -x flag
  • CLI: removed --tiers | -t flag
  • CLI: removed --langs | -l flag
  • CLI: renamed --trace-info to --kernel-tracing-debug flag
  • CLI: removed --logging-output flag
  • CLI: removed --stacks-only flag
  • CLI: removed -d | --delay flag
  • CLI: renamed --json-stacks to --tree-debug flag
  • UI: removed langs button
  • UI: removed theme button
  • UI: style changes, minor redesign
  • API: altered mapFrames API (frames is now an array of objects, not strings)
  • UI: rename/reorganize type labels
  • UI: tier coloring improvements
  • UI: search improvements
  • UI: categorization improvements
  • API: removed log option
  • API: added kernelTracing option
  • API: removed svg option
  • API: removed gen option
  • API: removed timestamp-profiles option
  • API: removed theme option
  • API: removed include option
  • API: removed exclude option
  • API: removed tiers option
  • API: removed langs option
  • API: renamed traceInfo to kernelTracingDebug option
  • API: removed loggingOutput option
  • API: removed stacksOnly option
  • API: removed delay option
  • API: renamed jsonStacks to treeDebug option
  • CLI: enhanced status console output (can be overridden in API)
  • UI: added merging capability (v8 prof only)
  • UI: fully responsive
  • added capturing inline data along side v8 prof ("inlinable" functions)
  • profiling REPL no longer supported
  • support for eval'd code - appears under native frames
  • DOCS: readme changes to reflect API changes
  • DOCS: additional /docs folder for in depth topics
  • API: removed quiet (still part of CLI)
  • API: removed silent (still part of CLI)
  • API: removed open (still part of CLI)
  • CLI: add --on-port flag
  • API: add onPort option
  • CLI: removed --phase flag
  • API: removed phase option

v3.4.1

  • break out the ui and stack converter portions into separate modules: d3-fg and stacks-to-json-tree.

v3.4.0

  • introduce experimental --prof-only flag, generates flamegraph based on internal v8 profiling data, without performing kernel tracing at the same time (as --prof-viz does)

v3.3.0

  • introduce experimental --prof-viz flag, generates additional flamegraph based on internal v8 profiling data
  • linux fixes & tidy up

v3.2.0

  • introduce --phase option
  • change --delay from 300 to 0 - not a breaking change because --phase provides the same result (stripping module loading stacks) far more reliably.

v3.1.0

  • enhance --output-dir option with interpolation feature
  • add --output-html option

v3.0.2

  • missing dep

v3.0.1

  • fix auto open functionality for linux (doesn't close browser on process exit)

v3.0.0

  • node 4 support dropped, node 6+ supported
  • changelog.md added
  • refactor
  • profile folder schema change profile-{pid} -> {pid}.flamegraph
  • --timestamp-profiles prefix instead of suffix profile-{pid}-{timestamp} -> {timestamp}-{pid}.flamegraph
  • programmatic API require('0x') and require('0x/cmd')
  • removed --preview option
  • remove --command option and changed -c gen to --gen
  • added --json-stacks option and no longer storing intermediate JSON by default
  • added alias to -q: --quiet
  • added --silent flag
  • added --name flag
  • added --log-output flag
  • added double dash syntax for nesting flags, e.g.: 0x -- node --zero-fill-buffers script.js
  • --node flag removed – now possible with new CLI syntax (0x [flags] -- node [nodeFlags] script.js [scriptFlags])
  • --node-options removed – now possible with new CLI syntax (0x [flags] -- node [nodeFlags] script.js [scriptFlags])
  • CLI argument schema: unrecognized flags are now rejected
  • 0x === 0x -h (use 0x -- node or 0x -- to profile repl)
  • --stacks-only removed, (use --collect-only)
  • add --collect-only and --visualize-only