Skip to content

Latency Histogram / Percentile Report #14

Description

@jamesmarkchan

After a benchmark, show latency distribution:

in the cli mode:

Latency Distribution (Read):
  p50:   0.042 ms
  p90:   0.089 ms  
  p99:   0.234 ms
  p99.9: 1.203 ms
  max:   3.891 ms

  Histogram:
  0.00-0.05 ms  ████████████████████████  72%
  0.05-0.10 ms  ██████████               18%
  0.10-0.50 ms  ███                       6%
  0.50-1.00 ms  █                         3%
  1.00+ ms      ▏                         1%

in the gui mode any histogram should work

This requires storing per-sample latency data (already captured in Sample.access_time_ms) and computing percentiles. Essential for SSD evaluation — tail latency matters more than average.

Activity

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Metadata

Metadata

Assignees

No one assigned

    Labels

    enhancementNew feature or request

    Projects

    No projects

      Milestone

      No milestone

      Relationships

      None yet

      Development

      No branches or pull requests

      Issue actions