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CoreScope 0.12.1

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@github-actions github-actions released this 22 Oct 13:05
· 6 commits to main since this release
v0.12.1
15b3fca
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Learn about vigilant mode.

Added

  • Container VM memory in the capacity gate: OrbStack / Docker Desktop / Colima containers live
    in a VM with its own memory (often 4 GB). wait_for_capacity, system_capacity, the gate hook and
    corescope wait now read it and wait while less than container_memory_free (default 15%) is
    free, naming the containers using most; containers at their own limit and those killed (exit
    137 / out of memory) in the last 30 minutes come back as warnings. Overview › Memory shows the VM.
    Default heavy commands now include docker compose up and docker run.

Fixed

  • Agents looping on wait_for_capacity: the project's max_wait_minutes now counts across
    calls, so a Mac that stays busy ends in go ahead instead of an endless wait.
  • Stale data and a frozen window under heavy load: the collector no longer runs at utility
    priority (it waited behind saturated efficiency cores for over 25 s); the Agents page, logs and
    session buttons no longer touch project folders (often on an external disk) or LaunchServices on
    the main thread on every sample; file events, profile container reads over MCP and the volume
    re-read after an eject left the main thread. The disk-growth walk runs only on an idle Mac.
  • A memory-pressure alert while memory was free: the Overview alert follows the gate's rule (a
    lingering "warning" counts only with 35% or less available).
  • Heavy actions waiting for a busy Mac that was not busy: the kernel's memory-pressure
    "warning" lingers while half the memory is free; it now counts only with 35% or less available
    ("critical" always counts). A waiting action says so on its chip and row (waiting for room:
    and why) and Run now skips the wait.
  • An environment stuck on a busy port: when a status error names a port ("Port 19091 in use"),
    the card shows who listens on it (marked when orphaned) with Terminate, so a process left by an
    earlier start no longer blocks the environment until it is found by hand.

Commits since v0.12.0

  • fix(capacity): do not wait on a lingering pressure warning; let a waiting action run now (42c65df)
  • feat(environment): show and terminate the process holding a port an error names (dfe475b)
  • fix(capacity): read the container VM's memory; keep the app live under heavy load (1e192bd)
  • chore(release): 0.12.1 (bbd3403)

Full diff: v0.12.0...v0.12.1

Install

  1. Download CoreScope-0.12.1-macos-universal.dmg below (universal: Apple Silicon and Intel, macOS 14+).
  2. Open the DMG and drag CoreScope to Applications.
  3. The app is open source and signed ad hoc, not notarized by Apple, so macOS blocks it the first time. Open it once, then go to System Settings → Privacy & Security and click Open Anyway. Alternatively, in Terminal: 
    xattr -dr com.apple.quarantine /Applications/CoreScope.app

The Intel slice is built and checked on every release but has not yet been run on an Intel Mac; reports are welcome.

Checksums (SHA-256)

1f334186fcc33c6a5181427b5a78411cc667469cc8df4f6ae557372827ab48c4  CoreScope-0.12.1-macos-universal.dmg
0b17e5979aac545ceab80c7835f32f99b2544f3315af78b78a64bf3462bc9f90  CoreScope-0.12.1-macos-universal.zip

Verify with shasum -a 256 -c SHA256SUMS.txt in the download folder.

Assets 6
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