fix provider process memory accounting

src/components/frontend/src/app.tsx

@@ -845,7 +845,7 @@ function NodeMonitorPage({ nodes, systemStatuses, tasks, onRaw, refresh }: AnyRe
             h("article", null, h("b", null, "CPU"), h("span", null, "从 /proc/stat 计算相邻采样差值，首个采样用 load/cores 近似")),
             h("article", null, h("b", null, "Memory"), h("span", null, "实际内存 = MemTotal - MemFree - Buffers - Cached - SReclaimable + Shmem，不把 page cache / buffer 计入占用")),
             h("article", null, h("b", null, "Disk"), h("span", null, "使用 df -PB1 对配置路径采样，默认监控根文件系统")),
-            h("article", null, h("b", null, "Process"), h("span", null, "从 /proc/[pid] 采集进程 CPU、实际内存 RSS、线程数和磁盘 I/O 速率；表格默认按内存占用降序")),
+            h("article", null, h("b", null, "Process"), h("span", null, "从 /proc/[pid] 采集进程 CPU、实际内存 PSS、RSS、线程数和磁盘 I/O 速率；PSS 不重复计算共享内存，表格默认按内存占用降序")),
           ),
         ),
       ),
@@ -855,8 +855,12 @@ function NodeMonitorPage({ nodes, systemStatuses, tasks, onRaw, refresh }: AnyRe
 
 type ProcessSortKey = "memory" | "cpu" | "disk" | "pid" | "name" | "user" | "threads" | "runtime";
 
+function processMemoryBytes(row: AnyRecord): number {
+  return asNumber(row.memoryBytes, asNumber(row.pssBytes, asNumber(row.rssBytes)));
+}
+
 function processSortValue(row: AnyRecord, key: ProcessSortKey): string | number {
-  if (key === "memory") return asNumber(row.rssBytes);
+  if (key === "memory") return processMemoryBytes(row);
   if (key === "cpu") return asNumber(row.cpuPercent);
   if (key === "disk") return asNumber(row.readBytesPerSecond) + asNumber(row.writeBytesPerSecond);
   if (key === "pid") return asNumber(row.pid);
@@ -879,6 +883,8 @@ function ProcessResourceTable({ current, onRaw }: AnyRecord) {
   const contextLoading = React.useContext(LoadingContext);
   const processSummary = current?.processSummary && typeof current.processSummary === "object" ? current.processSummary : {};
   const processes = Array.isArray(current?.processes) ? current.processes : [];
+  const memoryMode = String(processSummary.memoryMode || "");
+  const memoryModeLabel = memoryMode === "pss_smaps_rollup" ? "PSS" : "RSS fallback";
   const rows = useMemo(() => {
     const direction = sort.direction === "asc" ? 1 : -1;
     return [...processes].sort((left: AnyRecord, right: AnyRecord) => {
@@ -913,6 +919,7 @@ function ProcessResourceTable({ current, onRaw }: AnyRecord) {
       ),
       h("div", { className: "process-resource-actions" },
         h("span", { className: "data-chip" }, "默认按内存排序"),
+        h("span", { className: "data-chip" }, `内存口径 ${memoryModeLabel}`),
         h("span", { className: "data-chip" }, `${asNumber(processSummary.visible, rows.length)} / ${asNumber(processSummary.total, rows.length)} 进程`),
         h(RawButton, { title: "Process Resource Snapshot", data: { processSummary, processes }, onOpen: onRaw, testId: "raw-process-resources" }),
       ),
@@ -927,17 +934,18 @@ function ProcessResourceTable({ current, onRaw }: AnyRecord) {
             h("th", null, "状态"),
             sortHeader("CPU", "cpu"),
             sortHeader("内存", "memory"),
-            h("th", null, "RSS"),
+            h("th", null, "PSS / RSS"),
             sortHeader("磁盘 I/O", "disk"),
             sortHeader("线程", "threads"),
             sortHeader("运行时长", "runtime"),
           )),
           h("tbody", null, rows.map((row: AnyRecord) => {
             const diskRate = asNumber(row.readBytesPerSecond) + asNumber(row.writeBytesPerSecond);
+            const memoryBytes = processMemoryBytes(row);
             return h("tr", {
               key: `${row.pid}-${row.startedAt}`,
               "data-testid": `process-row-${safeId(row.pid)}`,
-              "data-memory-bytes": String(asNumber(row.rssBytes)),
+              "data-memory-bytes": String(memoryBytes),
               "data-cpu-percent": String(asNumber(row.cpuPercent)),
               "data-disk-bps": String(diskRate),
               "data-pid": String(asNumber(row.pid)),
@@ -953,7 +961,12 @@ function ProcessResourceTable({ current, onRaw }: AnyRecord) {
               h("td", null, h("span", { className: `process-state state-${safeId(row.state || "unknown")}` }, row.state || "?")),
               h("td", null, h(ProcessMeter, { value: row.cpuPercent, label: fmtLoosePercent(row.cpuPercent), tone: "cpu" })),
               h("td", null, h(ProcessMeter, { value: row.memoryPercent, label: fmtPercent(row.memoryPercent), tone: "memory" })),
-              h("td", null, fmtBytes(row.rssBytes)),
+              h("td", null,
+                h("div", { className: "process-io-cell" },
+                  h("strong", null, fmtBytes(memoryBytes)),
+                  h("span", null, `RSS ${fmtBytes(row.rssBytes)}`),
+                ),
+              ),
               h("td", null, h("div", { className: "process-io-cell" },
                 h("strong", null, fmtBytesRate(diskRate)),
                 h("span", null, `R ${fmtBytesRate(row.readBytesPerSecond)} / W ${fmtBytesRate(row.writeBytesPerSecond)}`),