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Course contents

  • How to Use This Course
  • Reading Path
  • CDC/RDC Glossary
  • CDC/RDC Metrics Reference
  • CDC/RDC Interview Prep
  • CDC/RDC Signoff Cheatsheet
  • Clock Domains and Failure Modes8
  • Metastability and Synchronizers16
  • CDC Protocols and Handshakes16
  • Reconvergence and Gray Coding16
  • Reset Domain Crossing16
  • Architecture and Design Rules16
  • CDC Signoff Methodology24
    • CDC Tool Flow
    • CDC Constraints and STA
    • CDC Waiver Policy
    • CDC Review Gate
    • CDC Signoff Dashboard
      • What to Track
      • Reading Progress
      • Honest Metrics
      • Trend and Regression
    • Formal and Simulation CDC Verification
  • RDC Signoff16
  • Debug and Case Studies11
  • CDC and RDC Interview Prep30
  • Capstone: Sign Off a Multi-clock Peripheral4
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‹CDC Signoff Dashboard
  1. Topics
  2. CDC & RDC
  3. CDC Signoff Methodology
  4. CDC Signoff Dashboard
  5. What to Track

Part 7 · CDC Signoff Methodology · Advanced

What to Track

Counts by class and status, waivers, open owners, and constraint changes — and the question each answers.

On this page

    Every metric on the dashboard earns its place by answering one question a stakeholder actually asks. A number nobody can act on is decoration; a missing number everyone needs is a blind spot. The table below is the recommended minimum set — small enough to read, complete enough to steer.

    The metrics

    Metric

    Question it answers

    Healthy direction

    Open findings by class

    Where is the defect risk concentrated?

    Falls, highest-severity classes first

    Fixed versus waived

    Is progress real fixes or permissions?

    Fixed rises; waived stays flat and evidenced

    Waiver age and revision currency

    Are waivers still valid on this revision?

    No waiver older than its revision; stale count at zero

    Open owners

    Who holds the remaining work?

    Every open item names an owner and a date

    Constraint changes since last review

    Has the intent moved under the results?

    Reviewed to zero after each change

    Setup version per run

    Are these runs even comparable?

    Constant across the trend window

    Who reads which metric

    Different readers need different rows. Designers watch open findings by class in their own blocks; the signoff owner watches waiver age and constraint churn across the project; management watches the burn-down slope and the severe-class count. One dashboard serves all three only if each row is labelled with its reader — otherwise the severe-class count that a designer acts on gets averaged into the percentage a manager forwards.

    What to leave off

    Resist the single percentage “CDC complete”. A percentage averages severity away: ninety-five percent complete with the remaining five percent all unsynchronised resets is a red project wearing a green number. Report the classes separately and let the severe ones dominate the conversation, exactly as triage order demands.

    Tip

    Put the severe-class open count in the largest type on the dashboard. Whatever is biggest gets fixed first; make sure that is risk, not volume.

    Check yourself Why track fixed and waived as separate series instead of one “closed” count?

    Because they mean opposite things: a fix removes risk while a waiver accepts it with evidence. Merging them lets permissions masquerade as progress.

    Check yourself A stakeholder asks for a single CDC-complete percentage. What do you show instead, and why?

    Open findings by class with severity first. A percentage averages severity away and can show green while the highest-risk defects are all still open.

    Related topics

    • Reading Progress

    • Honest Metrics

    • Violation Classes

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    See also

    • Honest Metrics
    • Trend and Regression