Your team runs a high-traffic API on GKE. During an incident review, engineers complained that the existing latency dashboard—which plots the p50, p95, and p99 line charts from a distribution metric—hid a bimodal latency pattern where a subset of requests were consistently slow while most were fast. Leadership asks you to build a single dashboard widget that best reveals the full shape of the latency distribution over time so this pattern is immediately visible. Which Cloud Monitoring visualization should you configure?