Establish native micro runtime checkpoint

7 files changed, 229 insertions, 0 deletions

diff --git a/prototypes/connections/results/2026-09-24-posix-idle/fixed-profile.json b/prototypes/connections/results/2026-09-24-posix-idle/fixed-profile.json
new file mode 100644
index 0000000..b56deb9
--- /dev/null
+++ b/prototypes/connections/results/2026-09-24-posix-idle/fixed-profile.json
@@ -0,0 +1,32 @@
+{
+  "passed": true,
+  "failures": [],
+  "profile": "linux-aarch64-gcc14-fixed-document-runner",
+  "scope": "Release-linked CLI and HTTP document hosts with one build-time prepared app. The source parser and compiler are separate build tools. These text ceilings apply only to the recorded Linux AArch64/GCC 14 toolchain and exclude libc, heap, stack, and storage files.",
+  "budget_sha256": "2b7e550992abb1872e52846dec712fab59b78692b776fd7e648d7976299f4b2a",
+  "platform": "Linux-6.18.39+rpt-rpi-2712-aarch64-with-glibc2.41",
+  "binaries": {
+    "pure-edit-fixed": {
+      "sections": {
+        "text": 19244,
+        "data": 920,
+        "bss": 16
+      },
+      "needed": [
+        "libc.so.6"
+      ],
+      "sha256": "8b594a7b1a4ae5b33cde5c842ec1e11c79b6368babc08ac2ffea378b38ac24f8"
+    },
+    "pure-connections-fixed": {
+      "sections": {
+        "text": 26261,
+        "data": 1028,
+        "bss": 16
+      },
+      "needed": [
+        "libc.so.6"
+      ],
+      "sha256": "1999ad534e9091fbaca096402ba2fbeaeb92c9fb4d4150cacaf309e9a9cd9555"
+    }
+  }
+}
diff --git a/prototypes/connections/results/2026-09-24-posix-idle/fixed-server-regression.json b/prototypes/connections/results/2026-09-24-posix-idle/fixed-server-regression.json
new file mode 100644
index 0000000..d96f70c
--- /dev/null
+++ b/prototypes/connections/results/2026-09-24-posix-idle/fixed-server-regression.json
@@ -0,0 +1,68 @@
+{
+  "profile": "build-time-prepared-http-document-host",
+  "fixed_source_cli_same_document": "pass",
+  "conditional_conflict_and_invalid_splice": "pass",
+  "one_mib_roundtrip_and_native_edit": "pass",
+  "slow_consumer_budget_and_release": "pass",
+  "runtime_parser_symbols_absent": "pass",
+  "fixed_stats": {
+    "active": 0,
+    "retained_payload_bytes": 0,
+    "peak_retained_payload_bytes": 1048584,
+    "payload_budget": 4194304,
+    "peak_connections": 1,
+    "accepted": 7,
+    "commits": 2,
+    "gets": 3,
+    "conflicts": 1,
+    "budget_rejections": 0,
+    "expired": 0,
+    "releases": 7,
+    "ingress_prefix_copy_bytes": 11,
+    "borrowed_output_bytes": 2097177,
+    "server_structure_bytes": 40848
+  },
+  "source_stats": {
+    "active": 0,
+    "retained_payload_bytes": 0,
+    "peak_retained_payload_bytes": 1048576,
+    "payload_budget": 4194304,
+    "peak_connections": 1,
+    "accepted": 6,
+    "commits": 1,
+    "gets": 3,
+    "conflicts": 1,
+    "budget_rejections": 0,
+    "expired": 0,
+    "releases": 6,
+    "ingress_prefix_copy_bytes": 0,
+    "borrowed_output_bytes": 2097162,
+    "server_structure_bytes": 41528
+  },
+  "limited_stats": {
+    "active": 0,
+    "retained_payload_bytes": 0,
+    "peak_retained_payload_bytes": 1048576,
+    "payload_budget": 1048576,
+    "peak_connections": 2,
+    "accepted": 3,
+    "commits": 0,
+    "gets": 2,
+    "conflicts": 0,
+    "budget_rejections": 1,
+    "expired": 0,
+    "releases": 2,
+    "ingress_prefix_copy_bytes": 0,
+    "borrowed_output_bytes": 1048586,
+    "server_structure_bytes": 40848
+  },
+  "fixed_idle_rss_kib": 1520,
+  "source_idle_rss_kib": 1552,
+  "fixed_after_large_rss_kib": 1648,
+  "source_after_large_rss_kib": 1680,
+  "fixed_peak_rss_kib": 2144,
+  "source_peak_rss_kib": 1680,
+  "fixed_peak_rss_limit_kib": 4096,
+  "fixed_sha256": "1999ad534e9091fbaca096402ba2fbeaeb92c9fb4d4150cacaf309e9a9cd9555",
+  "source_sha256": "1d4e858f18e7cea6df263e2d716898ba7a15b966ecda7e1145b21b80f8fe8f88"
+}
diff --git a/prototypes/connections/results/2026-09-24-posix-idle/package.json b/prototypes/connections/results/2026-09-24-posix-idle/package.json
new file mode 100644
index 0000000..5085bdd
--- /dev/null
+++ b/prototypes/connections/results/2026-09-24-posix-idle/package.json
@@ -0,0 +1,14 @@
+{
+  "archive_sha256": "47f8a4943187edc3733f5900790d5c240d25e2042a0b6c3567eb5da2ece68dd1",
+  "archive_bytes": 32346,
+  "selected_hosts": [
+    "pure-edit-fixed",
+    "pure-connections-fixed"
+  ],
+  "checks": [
+    "relocated archive has only declared files and every file hash matches",
+    "relocated parser-free runner creates and restores a document",
+    "relocated parser-free runner performs revision-checked edits",
+    "relocated parser-free HTTP host and CLI share the document"
+  ]
+}
diff --git a/prototypes/connections/results/2026-09-24-posix-idle/pure-document-fixed-http-linux-aarch64.tar.gz b/prototypes/connections/results/2026-09-24-posix-idle/pure-document-fixed-http-linux-aarch64.tar.gz
new file mode 100644
index 0000000..8b50236
--- /dev/null
+++ b/prototypes/connections/results/2026-09-24-posix-idle/pure-document-fixed-http-linux-aarch64.tar.gz
diff --git a/prototypes/connections/results/2026-09-24-posix-idle/reproducible-comparison.json b/prototypes/connections/results/2026-09-24-posix-idle/reproducible-comparison.json
new file mode 100644
index 0000000..7548186
--- /dev/null
+++ b/prototypes/connections/results/2026-09-24-posix-idle/reproducible-comparison.json
@@ -0,0 +1,21 @@
+{
+  "profile": "idle-http-host-poll-syscalls",
+  "observation_seconds": 1.25,
+  "before": {
+    "poll_calls": 25,
+    "timeout_values_ms": [
+      50
+    ],
+    "trace_excerpt": "ppoll([{fd=3, events=POLLIN}, {fd=-1}, {fd=-1}, {fd=-1}, {fd=-1}, {fd=-1}, {fd=-1}, {fd=-1}, {fd=-1}], 9, {tv_sec=0, tv_nsec=50000000}, NULL, 0) = 0 (Timeout)\nppoll([{fd=3, events=POLLIN}, {fd=-1}, {fd=-1}, {fd=-1}, {fd=-1}, {fd=-1}, {fd=-1}, {fd=-1}, {fd=-1}], 9, {tv_sec=0, tv_nsec=50000000}, NULL, 0) = 0 (Timeout)\nppoll([{fd=3, events=POLLIN}, {fd=-1}, {fd=-1}, {fd=-1}, {fd=-1}, {fd=-1}, {fd=-1}, {fd=-1}, {fd=-1}], 9, {tv_sec=0, tv_nsec=50000000}, NULL, 0) = 0 (Timeout)\nppoll([{fd=3, events=PO",
+    "binary_sha256": "7dd0010fa6d6024afa2fe35d57a4c73f33ac632e732616ac8f8853d7b22d79b3"
+  },
+  "after": {
+    "poll_calls": 1,
+    "timeout_values_ms": [
+      -1
+    ],
+    "trace_excerpt": "ppoll([{fd=3, events=POLLIN}, {fd=4, events=POLLIN}, {fd=-1}, {fd=-1}, {fd=-1}, {fd=-1}, {fd=-1}, {fd=-1}, {fd=-1}, {fd=-1}], 10, NULL, NULL, 0) = ? ERESTARTNOHAND (To be restarted if no handler)\n--- SIGTERM {si_signo=SIGTERM, si_code=SI_USER, si_pid=941369, si_uid=1000} ---\n",
+    "binary_sha256": "1999ad534e9091fbaca096402ba2fbeaeb92c9fb4d4150cacaf309e9a9cd9555"
+  },
+  "deadline_driven_idle_wait": "pass"
+}
diff --git a/prototypes/connections/results/2026-09-24-posix-idle/service-scale.json b/prototypes/connections/results/2026-09-24-posix-idle/service-scale.json
new file mode 100644
index 0000000..c1396ab
--- /dev/null
+++ b/prototypes/connections/results/2026-09-24-posix-idle/service-scale.json
@@ -0,0 +1,62 @@
+{
+  "profile": "document-app-many-objects-concurrent-clients",
+  "documents_per_variant": 1024,
+  "clients": 8,
+  "body_bytes": 8192,
+  "operations_per_variant": 4096,
+  "server_budget_bytes": 1048576,
+  "peak_rss_limit_kib": 4096,
+  "same_final_documents": "pass",
+  "fixed": {
+    "binary_sha256": "1999ad534e9091fbaca096402ba2fbeaeb92c9fb4d4150cacaf309e9a9cd9555",
+    "document_digest": "e54baed00186fb020edbbcd407d86471c136287de346e3386ce52d16883e488b",
+    "stored_objects": 1024,
+    "stored_file_bytes": 8413184,
+    "fresh_cli_restore_samples": 4,
+    "idle_rss_kib": 1504,
+    "peak_rss_kib": 1680,
+    "stats": {
+      "active": 0,
+      "retained_payload_bytes": 0,
+      "peak_retained_payload_bytes": 49185,
+      "payload_budget": 1048576,
+      "peak_connections": 8,
+      "accepted": 4096,
+      "commits": 2048,
+      "gets": 2048,
+      "conflicts": 0,
+      "budget_rejections": 0,
+      "expired": 0,
+      "releases": 4096,
+      "ingress_prefix_copy_bytes": 326623,
+      "borrowed_output_bytes": 25166848,
+      "server_structure_bytes": 40848
+    }
+  },
+  "source": {
+    "binary_sha256": "1d4e858f18e7cea6df263e2d716898ba7a15b966ecda7e1145b21b80f8fe8f88",
+    "document_digest": "e54baed00186fb020edbbcd407d86471c136287de346e3386ce52d16883e488b",
+    "stored_objects": 1024,
+    "stored_file_bytes": 8413184,
+    "fresh_cli_restore_samples": 4,
+    "idle_rss_kib": 1552,
+    "peak_rss_kib": 1712,
+    "stats": {
+      "active": 0,
+      "retained_payload_bytes": 0,
+      "peak_retained_payload_bytes": 49168,
+      "payload_budget": 1048576,
+      "peak_connections": 8,
+      "accepted": 4096,
+      "commits": 2048,
+      "gets": 2048,
+      "conflicts": 0,
+      "budget_rejections": 0,
+      "expired": 0,
+      "releases": 4096,
+      "ingress_prefix_copy_bytes": 366236,
+      "borrowed_output_bytes": 25166848,
+      "server_structure_bytes": 41528
+    }
+  }
+}
diff --git a/prototypes/connections/results/2026-09-24-posix-idle/source-profile.json b/prototypes/connections/results/2026-09-24-posix-idle/source-profile.json
new file mode 100644
index 0000000..d5795da
--- /dev/null
+++ b/prototypes/connections/results/2026-09-24-posix-idle/source-profile.json
@@ -0,0 +1,32 @@
+{
+  "passed": true,
+  "failures": [],
+  "profile": "linux-aarch64-gcc14-default-document-hosts",
+  "scope": "Review thresholds for release-built default CLI and HTTP adapter on the recorded Linux AArch64/GCC 14 toolchain. These section sizes exclude shared libc, heap, stack, mapped files, kernel buffers, and optional GTK/TLS hosts. Any failure requires a cost review, not automatic relaxation.",
+  "budget_sha256": "8b1eb0dd4844757705c24a0674142e76d9ee83fdce80a841e87a08e757f1183d",
+  "platform": "Linux-6.18.39+rpt-rpi-2712-aarch64-with-glibc2.41",
+  "binaries": {
+    "pure-edit": {
+      "sections": {
+        "text": 35807,
+        "data": 944,
+        "bss": 16
+      },
+      "needed": [
+        "libc.so.6"
+      ],
+      "sha256": "bce466328ac730ccb7cd22c7a0c4e2960bc94a0f20ac9f036e232bd499521ff7"
+    },
+    "pure-connections": {
+      "sections": {
+        "text": 43778,
+        "data": 1068,
+        "bss": 16
+      },
+      "needed": [
+        "libc.so.6"
+      ],
+      "sha256": "1d4e858f18e7cea6df263e2d716898ba7a15b966ecda7e1145b21b80f8fe8f88"
+    }
+  }
+}