server: a query that finds every permit taken waits for one instead of failing, the budget is 64, permit and upstream turns wait on a futex with one thread each, the thread pool has no task limit, and transparent huge pages are off for the process

src/cli.zig

@@ -1038,7 +1038,7 @@ fn probeUpstreams(r: Runner, cfg: model.Config) !usize {
             .priority = server.priority,
             .enabled = true,
             .health = .init,
-            .admission = .{ .permits = slots.len },
+            .admission = .{ .permits = .init(slots.len) },
             .reuse_recoveries = &recoveries,
         }};
         var single: pool.Pool = .init(&entries, .{}, timeouts, seed);