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enhance(dev): tweak get-backend-memory

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This commit is contained in:
syuilo
2026-07-16 14:44:49 +09:00
parent 22cdc24b04
commit 212fcaf254
2 changed files with 26 additions and 28 deletions
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packages/backend/scripts/measure-memory.mts
+4 -4
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@@ -57,14 +57,14 @@ type HeapSnapshotErrorMessage = {
};
type HeapSnapshotResponseMessage = HeapSnapshotMessage | HeapSnapshotErrorMessage;
function parseMemoryFile<KS extends readonly string[]>(content: string, keys: KS, path: string, required: boolean): Record<KS[number], number> {
function parseMemoryFile<KS extends readonly string[]>(content: string, keys: KS, path: string): Record<KS[number], number> {
const result = {} as Record<KS[number], number>;
for (const _key of keys) {
const key = _key as KS[number];
const match = content.match(new RegExp(`${key}:\\s+(\\d+)\\s+kB`));
if (match) {
result[key] = parseInt(match[1], 10);
} else if (required) {
} else {
throw new Error(`Failed to parse ${key} from ${path}`);
}
}
@@ -78,13 +78,13 @@ function bytesToKiB(value: number) {
async function getMemoryUsage(pid: number) {
const path = `/proc/${pid}/status`;
const status = await fs.readFile(path, 'utf-8');
return parseMemoryFile(status, procStatusKeys, path, true);
return parseMemoryFile(status, procStatusKeys, path);
}
async function getSmapsRollupMemoryUsage(pid: number) {
const path = `/proc/${pid}/smaps_rollup`;
const smapsRollup = await fs.readFile(path, 'utf-8');
return parseMemoryFile(smapsRollup, smapsRollupKeys, path, false);
return parseMemoryFile(smapsRollup, smapsRollupKeys, path);
}
function isRecord(value: unknown): value is Record<string, unknown> {