Issues

• Support >128 domains in olly (upstream does since 5.3)

  enhancement
  tarides/runtime_events_tools#157 · Filter by author edwintorok opened on Sep 28, 2026

• Promoted words counters from events doesn't match Gc stats

  Bug

  tarides/runtime_events_tools#148 · Filter by author edwintorok opened on Sep 21, 2026
  13

  

• Track custom memory allocations/usage

  enhancement
  tarides/runtime_events_tools#147 · Filter by author edwintorok opened on Sep 18, 2026

• olly trace ... COMMAND tokenisation makes it impossible to pass arguments to child process

  bug
  tarides/runtime_events_tools#131 · Filter by author ngorogiannis opened on Aug 28, 2026

• olly exits with code 124 on all failures, document and define more exit codes

  enhancement
  tarides/runtime_events_tools#129 · Filter by author edwintorok opened on Aug 27, 2026

• Determine GC mark vs sweep pause ratios

  enhancement
  tarides/runtime_events_tools#125 · Filter by author edwintorok opened on Aug 18, 2026

• olly trace discards lifecycle events

  enhancement
  tarides/runtime_events_tools#124 · Filter by author tmcgilchrist opened on Aug 14, 2026

• Surface why collections happened, not just how many

  enhancement
  tarides/runtime_events_tools#122 · Filter by author tmcgilchrist opened on Aug 11, 2026

• State the versioning policy for gc-stats --json

  documentation
  tarides/runtime_events_tools#120 · Filter by author tmcgilchrist opened on Aug 11, 2026
  2

  

• Add olly --version to CLI

  enhancement
  tarides/runtime_events_tools#119 · Filter by author tmcgilchrist opened on Aug 11, 2026

• Document that olly must be built against the OCaml version it monitors

  documentation
  tarides/runtime_events_tools#114 · Filter by author tmcgilchrist opened on Aug 10, 2026

• Release 0.5.5

  tarides/runtime_events_tools#108 · Filter by author tmcgilchrist opened on Jul 31, 2026

• olly includes buffer size when reporting maxRSS

  bug
  tarides/runtime_events_tools#104 · Filter by author udesou opened on Jul 23, 2026
  1

• gc-stats reports corrupt statistics when the monitored process doesn't exit normally

  bug
  tarides/runtime_events_tools#103 · Filter by author tmcgilchrist opened on Jul 22, 2026
  1

• Add olly gc-stats to OCaml manual and update documentation

  documentation
  tarides/runtime_events_tools#101 · Filter by author tmcgilchrist opened on Jul 16, 2026

• riscv64 CI keeps failing with "corrupt stream"

  bug
  tarides/runtime_events_tools#99 · Filter by author edwintorok opened on Jul 9, 2026
  4

  

• Report major-heap fragmentation

  enhancement
  tarides/runtime_events_tools#94 · Filter by author udesou opened on Jun 23, 2026
  2

  

• olly gc-stats reports a negative wall_time when the monitored process gets killed

  bug
  tarides/runtime_events_tools#92 · Filter by author udesou opened on May 28, 2026

• Olly doesn't see bigarray allocations

  enhancement
  tarides/runtime_events_tools#91 · Filter by author edwintorok opened on May 22, 2026

• Windows support

  enhancement
  tarides/runtime_events_tools#70 · Filter by author tmcgilchrist opened on Oct 28, 2025

• Olly reports incorrect GC overhead time

  bug
  tarides/runtime_events_tools#35 · Filter by author tmcgilchrist opened on Feb 12, 2024
  1

• Expose gc-stats as an API

  enhancement
  tarides/runtime_events_tools#26 · Filter by author Sudha247 opened on Sep 27, 2023

• Unterminated events (in Fuchsia format)

  bug
  tarides/runtime_events_tools#20 · Filter by author Sudha247 opened on Jul 28, 2023
  6