Multi-process profiles. (#3395)
See: [#181837344](https://www.pivotaltracker.com/story/show/181837344).
I've separated this PR from some deeper changes I'm making to the profile format, because the changeset was getting too complex. The new APIs and tools in this PR are fully-implemented, except the profile format is too simplistic--it doesn't currently support headers that are needed to determine the relative timings of events from different processes.
- Adds basic support for profile files containing data collected by multiple processes.
- Implements `api_events_to_profile`, a tool for converting backend message logs (#3392) to the `profiler` format so they can be merged with frontend profiles (currently they can be merged with `cat`, but the next PR will introduce a merge tool).
- Introduces `message_beanpoles`, a simple tool that diagrams timing relationships between frontend and backend messages.
### Important Notes
- All TODOs introduced here will be addressed in the next PR that defines the new format.
- Introduced a new crate, `enso_profiler_enso_data`, to be used by profile consumers that need to refer to Enso application datatypes to interpret metadata.
- Introduced a `ProfileBuilder` abstraction for writing the JSON profile format; partially decouples the runtime event log structures from the format definition.
- Introducing the conversion performed for `ProfilerBuilder` uncovered that the `.._with_same_start!` low-level `profiler` APIs don't currently work; they return `Started<_>` profilers, but that is inconsistent with the stricter data model that I introduced when I implemented `profiler_data`; they need to return profilers in a created, unstarted state. Low-level async profilers have not been a priority, but once #3382 merges we'll have a way to render their data, which will be really useful because async profilers capture *why* we're doing things. I'll bring up scheduling this in the next performance meeting.
2022-04-21 17:44:03 +03:00
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[package]
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name = "enso-profiler-enso-data"
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version = "0.1.0"
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edition = "2021"
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authors = ["Enso Team <contact@enso.org>"]
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[dependencies]
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chrono = { version = "0.4.19", features = ["serde"] }
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csv = "1.1"
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serde = { version = "1", features = ["derive"] }
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2022-05-23 05:16:04 +03:00
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enso-profiler = { path = "../../../lib/rust/profiler" }
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enso-profiler-data = { path = "../../../lib/rust/profiler/data" }
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ensogl-core = { path = "../../../lib/rust/ensogl/core" }
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json-rpc = { path = "../../../lib/rust/json-rpc" }
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