reverie/reverie-examples
Cameron Pickett 476ec158d6
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Revert D65324129: update platform010 & platform010-aarch64 symlinks
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D65324129

Original commit changeset: 8266029f01dc

Original Phabricator Diff: D65324129

fbshipit-source-id: b4f909750fa65b4f549a2d638743896c28e988e4
2024-11-13 16:05:04 -08:00
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chrome-trace Remove dependencies on associated_type_defaults unstable feature 2022-11-18 12:36:51 -08:00
strace Remove dependencies on associated_type_defaults unstable feature 2022-11-18 12:36:51 -08:00
Cargo.toml update serde 1.0.203->1.0.214, serde_json 1.0.125->1.0.132 2024-10-31 16:04:02 -07:00
chaos.rs Revert D65324129: update platform010 & platform010-aarch64 symlinks 2024-11-13 16:05:04 -08:00
chunky_print.rs Revert D65324129: update platform010 & platform010-aarch64 symlinks 2024-11-13 16:05:04 -08:00
counter1.rs Remove dependencies on associated_type_defaults unstable feature 2022-11-18 12:36:51 -08:00
counter2.rs ci: Fix clippy (#20) 2023-07-10 16:46:43 -07:00
debug.rs Remove dependencies on associated_type_defaults unstable feature 2022-11-18 12:36:51 -08:00
noop.rs Remove dependencies on associated_type_defaults unstable feature 2022-11-18 12:36:51 -08:00
README.md Remove unused pedigree example 2022-12-05 10:20:52 -08:00
strace_minimal.rs Remove dependencies on associated_type_defaults unstable feature 2022-11-18 12:36:51 -08:00

Examples

Example tools built on top of Reverie.

Copying one of these examples is the recommended way to get started using Reverie.

chrome-trace: Generates a chrome trace file

This tool is like strace, but generates a trace file that can be loaded in chrome://tracing/.

counter1: Reverie Counter Tool (1)

This is a basic example of event counting. It counts the number of system calls and reports that single integer at exit.

This version of tool uses a single, centralized piece of global state.

counter2: Reverie Counter Tool (2)

This is a basic example of event counting. This tool counts the number of system calls and reports that single integer at exit.

This implementation of the tool uses a distributed notion of state, maintaining a per-thread, per-process, and global state. Basically, this is an example of "MapReduce" style tracing of a process tree.

noop: Identity Function Tool

This instrumentation tool intercepts events but does nothing with them. It is useful for observing the overhead of interception, and as a starting point.

chunky_print: Print-gating Tool

This example tool intercepts write events on stdout and stderr and manipulates either when those outputs are released, or the scheduling order that determines the order of printed output.

strace: Reverie Echo Tool

This instrumentation tool simply echos intercepted events, like strace.

chaos: Chaos Tool

This tool is meant to emulate a pathological kernel where:

  1. read and recvfrom calls return only one byte at a time. This is intended to catch errors in parsers that assume multiple bytes will be returned at a time.
  2. EINTR is returned instead of running the real syscall for every other read.