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README.md

      1 # Perfetto Protobuf definitions
      2 
      3 There are three groups of protos in the respective perfetto/X directories:
      4 
      5 `trace/`: This directory contains all protos that are output-ed by Perfetto
      6 when capturing a trace.
      7 
      8 `config/`: This directory contains the configuration passed as input to
      9 various parts of Perfetto, such as:
     10   * (i) the whole trace config that the Consumer sends to the Perfetto trace
     11     daemon.
     12   * (ii) the per-data-source config that the trace daemon relays to each
     13     Producer.
     14   * (iii) the per-data-source descriptor that each Producer advertises to the
     15     trace daemon when registering.
     16 
     17 `ipc/`: This directory contains the definition of the IPC surface between
     18 the Perfetto components (Producer, trace daemon and Consumer(s)). This is
     19 relevant only in some Perfetto build configuration (i.e. in Android but not
     20 in Chrome).
     21