fix(cfg): 热重载读侧三点一致性校验——掐断打回出厂与保存吞段(#73)
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真机 #73:运行中改配置触发热重载,卷层(dhara)偶发返回旧/短
视图时,引擎把该视图当成文件全文:逐段按缺省解析后整盘打回
出厂默认且不自愈;此后任何一次保存又按缩小的视图做手术式
重写,文件越写越小(台架 1066B→986B,[sntp] 段整体丢失),
即真机对时静默 10.5 小时的元凶。

处置(引擎侧根因无关防御;卷层回滚归 #79/#81 已合并的 FTL
修复域):
- poll:读完加三点校验(读长==stat.size、读前后 re-stat 的
  size/mtime 一致),判为旧/短视图则 RAM 不动、基线不刷新、
  每 2 拍自动重试自愈;首次拒绝留 1 条 DBG_ERROR+syslog,
  之后每 30 拍一条 WARN 提示重启收敛。
- save:同型三点校验,视图与 stat 不符返回 -1 且文件不动,
  调用方保留 dirty 下拍重试,吞段链在第一次保存即被掐断。
- 边界:「一致但陈旧」的整卷回滚引擎层无法区分,靠重启
  收敛,已写入设计说明风险表与文档口径。

测试:新增 TC-CONFIG-058/059/060(旧视图保持 RAM、保存短
视图拒写、读中改写拒绝+日志限速)。cfg_file 239/239;
iec104 179、run_par 67、adc_cal 117、sntp 98、
cfg_file_store_mcu 34、net_cfg 48、ftp_cfg 16、prot_set 90、
prot_dim 38 全绿;/keil-build 0 Error 0 Warning。

文档:配置文件设计说明 §(3)/§5.3/风险表/变更记录 v1.17;
单元测试说明 058–060 行;网络配置说明与产品需求 FR-CFG-3
同步口径;台账随新鲜 .map 由 ram_baseline --update 回填。
This commit is contained in:
2026-11-05 12:35:46 +08:00
parent 0d5cd1c8d1
commit d9303e05a4
9 changed files with 258 additions and 17 deletions
+1
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@@ -17,3 +17,4 @@ date code ro rw zi er_irom1 er_pct iram1 iram1_pct ccm ccm_pct top_rwzi
2026-11-02 247548 29836 2052 149740 277384 26.5 94368 72.0 57376 87.9 heap_4.o=57376;lv_mem_core_builtin.o=16384;lftpd.o=7884;ui_net_sink.o=6802;ui_port.o=6432;nand_ftl.o=6216;wave_ring.o=5296;sb_link.o=4376;ch395f.o=4162;console_log.o=4132
2026-11-03 249112 29836 2052 149996 278948 26.6 94624 72.2 57376 87.9 heap_4.o=57376;lv_mem_core_builtin.o=16384;lftpd.o=7884;ui_net_sink.o=6802;ui_port.o=6432;nand_ftl.o=6216;wave_ring.o=5296;sb_link.o=4376;ch395f.o=4162;console_log.o=4132
2026-11-04 254332 30824 2072 150104 285156 27.2 94752 72.3 57376 87.9 heap_4.o=57376;lv_mem_core_builtin.o=16384;lftpd.o=7884;ui_net_sink.o=6802;ui_port.o=6432;nand_ftl.o=6236;wave_ring.o=5296;sb_link.o=4376;ch395f.o=4162;console_log.o=4132
2026-11-05 254784 30896 2072 150104 285680 27.2 94752 72.3 57376 87.9 heap_4.o=57376;lv_mem_core_builtin.o=16384;lftpd.o=7884;ui_net_sink.o=6802;ui_port.o=6432;nand_ftl.o=6236;wave_ring.o=5296;sb_link.o=4376;ch395f.o=4162;console_log.o=4132
1 date code ro rw zi er_irom1 er_pct iram1 iram1_pct ccm ccm_pct top_rwzi
17 2026-11-02 247548 29836 2052 149740 277384 26.5 94368 72.0 57376 87.9 heap_4.o=57376;lv_mem_core_builtin.o=16384;lftpd.o=7884;ui_net_sink.o=6802;ui_port.o=6432;nand_ftl.o=6216;wave_ring.o=5296;sb_link.o=4376;ch395f.o=4162;console_log.o=4132
18 2026-11-03 249112 29836 2052 149996 278948 26.6 94624 72.2 57376 87.9 heap_4.o=57376;lv_mem_core_builtin.o=16384;lftpd.o=7884;ui_net_sink.o=6802;ui_port.o=6432;nand_ftl.o=6216;wave_ring.o=5296;sb_link.o=4376;ch395f.o=4162;console_log.o=4132
19 2026-11-04 254332 30824 2072 150104 285156 27.2 94752 72.3 57376 87.9 heap_4.o=57376;lv_mem_core_builtin.o=16384;lftpd.o=7884;ui_net_sink.o=6802;ui_port.o=6432;nand_ftl.o=6236;wave_ring.o=5296;sb_link.o=4376;ch395f.o=4162;console_log.o=4132
20 2026-11-05 254784 30896 2072 150104 285680 27.2 94752 72.3 57376 87.9 heap_4.o=57376;lv_mem_core_builtin.o=16384;lftpd.o=7884;ui_net_sink.o=6802;ui_port.o=6432;nand_ftl.o=6236;wave_ring.o=5296;sb_link.o=4376;ch395f.o=4162;console_log.o=4132
+8 -8
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@@ -1,17 +1,17 @@
{
"built_at": "2026-11-04T18:58:01+08:00",
"fingerprint": "e144163b2fe1843cedb07864b926cab203f608524605a75fec38dc660b661d29",
"built_at": "2026-11-05T12:35:40+08:00",
"fingerprint": "8c8ba70adaaa6d8de16a3f80efc6caf859f032eb8dc29dd129351afc4362137d",
"fingerprint_files": 1479,
"fingerprint_source": "git-index",
"gated_regions": [
"RW_IRAM1",
"RW_CCM"
],
"git_head": "1f94015434ba809e7e3645316ad3fb4f331824c9",
"git_head": "0d5cd1c8d12ff40e225e3e8223958e1ab2a6f74d",
"map": "MDK-ARM/STM32F407-Demo/STM32F407-Demo.map",
"map_mtime": 1793789873,
"map_mtime": 1793853338,
"pct": {
"ER_IROM1": 27.19,
"ER_IROM1": 27.24,
"RW_CCM": 87.89,
"RW_IRAM1": 72.29,
"UNINIT_CCM": 18.75
@@ -19,7 +19,7 @@
"regions": {
"ER_IROM1": {
"max": 1048576,
"size": 285156
"size": 285680
},
"RW_CCM": {
"max": 65280,
@@ -37,8 +37,8 @@
"schema": 2,
"scope_note": "\u540c\u7801\u51ed\u8bc1\uff1a\u6307\u7eb9\u8986\u76d6\u56fa\u4ef6\u4f53\u79ef\u76f8\u5173\u6e90\u7801\uff0c\u53e3\u5f84\u89c1\u672c\u811a\u672c docstring",
"sizes": {
"code": 254332,
"ro_data": 30824,
"code": 254784,
"ro_data": 30896,
"rw_data": 2072,
"zi_data": 150104
},