An implementation of tracing primitives for the Rust tracing crate using the Perfetto C++ SDK.

Crates in this workspace are:

• tracing-perfetto-sdk-sys - Raw bindings to and static embedding of the Perfetto SDK.
• tracing-perfetto-sdk-schema - Proto schema for Perfetto trace packets, etc.
• tracing-perfetto-sdk-layer - A tracing layer compatible with Rust's tracing-subscriber crate.