Async/await latency spikes under concurrent requests in Vala
The goal is to pinpoint the source of latency spikes that appear only when several Vala async functions are invoked concurrently. The application uses GLib 2.64, POSIX threads, and the async/await pattern compiled to GTask and GMainContext. The issue manifests as unpredictable delays, but no single error is logged. Possible contributors include lock contenti