diff --git a/src/main.zig b/src/main.zig
index 69b3622..2042673 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -189,6 +189,9 @@ const MetricsServer = struct {
                     \\# HELP zio_sched_events_rearmed_total readiness delivered for a fiber that was not parked. poller delivery destroys the arm, so before the re-arm each of these was a permanently lost wake. has never ticked in prod or under soak — the 2026-08-18 forensics retired it as that incident's cause. nonzero means the defect fired for real.
                     \\# TYPE zio_sched_events_rearmed_total counter
                     \\zio_sched_events_rearmed_total {d}
+                    \\# HELP zio_sched_inject_drops_total cross-thread wakes dropped on allocation failure. every one is a fiber that may be parked forever. must stay zero.
+                    \\# TYPE zio_sched_inject_drops_total counter
+                    \\zio_sched_inject_drops_total {d}
                     \\# HELP zio_poller_registrations fds with an armed direction (collapse = erosion)
                     \\# TYPE zio_poller_registrations gauge
                     \\zio_poller_registrations {d}
@@ -207,11 +210,12 @@ const MetricsServer = struct {
                     \\# TYPE zio_fiber_starts gauge
                     \\
                 , .{
-                    d.sched.switches,       d.sched.live,          d.sched.ready,
-                    d.sched.parked,         d.sched.futex_waiters, d.sched.timers,
-                    d.sched.inject_pending, d.sched.free_list,     d.sched.events_rearmed,
-                    d.poller_registrations, d.sched.arm_failures,  d.sched.last_arm_errno,
-                    d.dns_queued,           d.dns_workers,         d.dns_idle,
+                    d.sched.switches,       d.sched.live,           d.sched.ready,
+                    d.sched.parked,         d.sched.futex_waiters,  d.sched.timers,
+                    d.sched.inject_pending, d.sched.free_list,      d.sched.events_rearmed,
+                    d.sched.inject_drops,   d.poller_registrations, d.sched.arm_failures,
+                    d.sched.last_arm_errno, d.dns_queued,           d.dns_workers,
+                    d.dns_idle,
                 }) catch "";
                 var total = base_body.len;
                 if (total + extra.len <= metrics_buf.len) {