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feat(tools): XHProf 日志导入三层服务与函数监控物化
- XhprofProfileParserService(Base/App):纯数组解析 jsonl 行, meta 字段以真实 fixture 为准;simple_url 缺失兜底与采集端回调同算法; watch 正则按 callee 物化(ct/wt_sum/wt_max),非法正则编译计 fail 跳过 - XhprofLogReaderService(Base/App):增量读取,半行缓冲超限整行丢弃 (不照抄 nginx 8MB 强制切行);EOF 无换行半行不 yield 不推进 offset; 进度不自动落盘,由导入侧在同一事务内显式 savePosition - XhprofLogImport 定时任务(Base/App):不受 XHPROF_ENABLE 门控, runs-*.jsonl 按文件名序增量导入;run 逐条 insert + detail chunk 20 insertAll + run_watch insertAll 与 position 同事务落盘;导至 EOF 后 只删已导完文件 - 修复 T1 缺陷:request_time decimal(12,3) 装不下 10 位时间戳, Scheme 与 migration 同步改 decimal(13,3) - 新增 parser 单元测试(真实 fixture 断言,9 用例 42 断言) 与 jsonl fixture;phpunit 注册 unit 测试套件
This commit is contained in:
286
extend/base/common/service/XhprofLogReaderServiceBase.php
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286
extend/base/common/service/XhprofLogReaderServiceBase.php
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<?php
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declare(strict_types=1);
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namespace base\common\service;
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use app\admin\model\XhprofLogPosition;
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use app\common\service\HostService;
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/**
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* XHProf jsonl 增量读取 service(Base 层).
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*
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* 与 NginxLogReaderServiceBase 的两处语义差异(有意为之,勿"顺手同步"回去):
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* 1. 本类不自动 savePosition:jsonl 单行很大(实测 ~100KB),导入侧要求
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* "insertBatch + savePosition 同一事务"消崩溃重复窗口,进度落盘由
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* XhprofLogImportBase 在事务内显式调用 savePosition 完成。
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* 每次 yield 前先推进 currentOffset,消费方任意时刻调 getCurrentPosition()
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* 取到的都是"最后一条完整行末尾"的安全偏移。
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* EOF 无换行的尾部半行不 yield 不推进 offset(下轮写入 \n 后补齐)。
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* 2. 超长行不再像 nginx 那样 8MB 强制切行(会把一条 JSON 切成两条坏行),
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* 而是整行丢弃并计 dropped(缓冲超限时扫描到下一个换行符为止)。
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*
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* 其余协议与 nginx 版一致:按 offset 增量读、inode/size 双条件轮转检测归零、
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* maxLines 上限、position 按 (node_id, file_path) 唯一定位。
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*
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* 依赖倒置:model 走 app\admin\model\XhprofLogPosition 入口类;节点身份走
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* app\common\service\HostService。本表为全新表(node_id 默认 'default' 非 NULL),
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* 无 nginx 版的懒加载接管旧数据问题,故不含 lazyAdopt 逻辑。
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*/
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class XhprofLogReaderServiceBase
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{
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/** 单次 fread 的 buffer 大小(64KB) */
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protected const BUFFER_SIZE = 65536;
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/** 单行硬上限(32MB):超过整行丢弃计 dropped。真实采样行 ~100KB,32MB 已是异常防御 */
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protected const MAX_LINE_BYTES = 33554432;
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/** @var int 当前文件 inode(read 期间有效) */
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protected $currentInode = 0;
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/** @var int 安全偏移:最后一条已 yield 完整行的末尾(含换行符) */
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protected $currentOffset = 0;
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/** @var string|null 最后一条已 yield 行的 md5 */
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protected $currentLineHash = null;
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/** @var bool 本轮 read 是否干净到达 EOF(尾部无半行;超长行丢弃至 EOF 也视为干净收尾) */
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protected $reachedEof = false;
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/** @var int 本轮 read 丢弃的超长行数 */
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protected $droppedLines = 0;
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/**
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* 增量读取 jsonl 文件,yield 完整行.
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*
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* 读取协议:
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* 1. fopen + fstat 取当前 inode/size;读 position(无则视为新建 offset=0)
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* 2. 轮转检测:inode 不一致 OR filesize < offset → 归零重读
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* 3. fseek 到 offset,循环 fread 64KB,定位已读段内最后 \n,仅 yield 完整行
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* 4. 每次 yield 前 currentOffset 推进到该行末尾(含 \n),保证事务内 savePosition 与已消费行严格对齐
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* 5. 尾部半行(无 \n)不 yield,currentOffset 停在半行起点,下次重读
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* 6. 半行缓冲超过 MAX_LINE_BYTES:整行丢弃计 dropped,扫描至下一个 \n 继续
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* 7. yield maxLines 后退出(不自动 savePosition,由上层事务内落盘)
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*
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* @param string $filePath jsonl 文件绝对路径
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* @param int $maxLines 单次 yield 的最大行数
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*
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* @return \Generator<string> 每次迭代返回一行(不含换行符)
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*
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* @throws \RuntimeException 文件无法打开或 stat/fseek/fread 失败时抛出(交由上层 try-catch)
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*/
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public function read(string $filePath, int $maxLines = 100000): \Generator
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{
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// per-run 状态复位(同一个 reader 实例可串行处理多个文件)
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$this->reachedEof = false;
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$this->droppedLines = 0;
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$this->currentLineHash = null;
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$fp = @fopen($filePath, 'rb');
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if ($fp === false) {
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throw new \RuntimeException("XhprofLogReaderService: 无法打开文件 {$filePath}");
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}
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try {
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clearstatcache(true, $filePath);
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$stat = fstat($fp);
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if ($stat === false) {
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throw new \RuntimeException("XhprofLogReaderService: fstat 失败 {$filePath}");
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}
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$currentInode = (int) $stat['ino'];
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$currentSize = (int) $stat['size'];
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$this->currentInode = $currentInode;
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// 读 position(无则默认 offset=0)
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$offset = 0;
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$position = $this->getLastPosition($filePath);
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if ($position !== null) {
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$offset = (int) $position['offset'];
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// 轮转检测:inode 变化(同日文件被重建)OR size < offset(防御性归零)
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if ((int) $position['inode'] !== $currentInode || $currentSize < $offset) {
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$offset = 0;
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}
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}
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$this->currentOffset = $offset;
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if ($offset > 0 && fseek($fp, $offset) !== 0) {
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throw new \RuntimeException("XhprofLogReaderService: fseek 失败 offset={$offset} file={$filePath}");
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}
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$yielded = 0;
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$buffer = '';
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// $bufferOffset 始终等于 buffer[0] 对应的文件字节偏移
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$bufferOffset = $offset;
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while (true) {
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$chunk = fread($fp, self::BUFFER_SIZE);
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if ($chunk === false) {
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throw new \RuntimeException("XhprofLogReaderService: fread 失败 file={$filePath}");
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}
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if ($chunk === '') {
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// EOF:buffer 为空说明干净收尾;有半行则 currentOffset 已停在最后完整行末尾
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$this->reachedEof = ($buffer === '');
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return;
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}
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$buffer .= $chunk;
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// 内层循环:处理 buffer 中所有完整行(含末尾 \n 的)
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$pos = 0;
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while (($nlPos = strpos($buffer, "\n", $pos)) !== false) {
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$line = substr($buffer, $pos, $nlPos - $pos);
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$pos = $nlPos + 1;
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// 先推进安全偏移再 yield:消费方在事务内 savePosition 拿到的
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// 一定是"已 yield 行末尾",与该事务内入库的数据严格对齐
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$this->currentOffset = $bufferOffset + $pos;
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$this->currentLineHash = md5($line);
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yield $line;
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$yielded++;
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if ($yielded >= $maxLines) {
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return;
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}
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}
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// buffer 中已消费 $pos 字节,半行(buffer[$pos..])保留
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$bufferOffset += $pos;
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$buffer = substr($buffer, $pos);
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// 超长行防御:整行丢弃(禁止强制切行——会把一条 JSON 切成两条坏行)
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if (strlen($buffer) >= self::MAX_LINE_BYTES) {
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$this->droppedLines++;
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$buffer = '';
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// 扫描至下一个换行符,将其后内容作为新 buffer 继续
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while (true) {
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$chunk = fread($fp, self::BUFFER_SIZE);
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if ($chunk === false || $chunk === '') {
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// 至 EOF 仍未等到换行符:整个尾部按已丢弃处理,偏移推到文件末尾
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$bufferOffset = (int) ftell($fp);
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$this->currentOffset = $bufferOffset;
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$this->reachedEof = true;
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return;
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}
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$nl = strpos($chunk, "\n");
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if ($nl !== false) {
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$bufferOffset = (int) ftell($fp) - (strlen($chunk) - $nl - 1);
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$this->currentOffset = $bufferOffset;
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$buffer = substr($chunk, $nl + 1);
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break;
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}
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}
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}
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}
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} finally {
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if (is_resource($fp)) {
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fclose($fp);
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}
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}
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}
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/**
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* 当前安全读取位置(read 期间/结束后可调).
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*
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* @return array{inode: int, offset: int, last_line_hash: string|null}
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*/
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public function getCurrentPosition(): array
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{
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return [
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'inode' => $this->currentInode,
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'offset' => $this->currentOffset,
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'last_line_hash' => $this->currentLineHash,
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];
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}
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/**
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* 本轮 read 是否干净到达 EOF(尾部无半行).
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*
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* 导入侧据此判断"文件已导完":reachedEof 且 offset >= filesize 才允许 unlink。
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*/
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public function reachedEof(): bool
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{
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return $this->reachedEof;
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}
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/**
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* 本轮 read 丢弃的超长行数(由导入侧并入 fails 统计).
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*/
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public function getDroppedLines(): int
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{
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return $this->droppedLines;
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}
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/**
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* 查询文件的上次读取位置(按 node_id 隔离).
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*
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* @return array|null 命中时返回 [inode, offset, last_line_hash, parse_fail_count, parse_fail_samples],无记录返回 null
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*/
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public function getLastPosition(string $filePath): ?array
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{
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$nodeId = HostService::getNodeId();
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$row = XhprofLogPosition::where('file_path', $filePath)
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->where('node_id', $nodeId)
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->find();
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if ($row === null) {
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return null;
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}
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return [
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'inode' => (int) $row->getData('inode'),
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'offset' => (int) $row->getData('offset'),
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'last_line_hash' => $row->getData('last_line_hash'),
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'parse_fail_count' => (int) $row->getData('parse_fail_count'),
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'parse_fail_samples' => $row->getData('parse_fail_samples'),
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];
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}
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/**
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* 保存读取位置(upsert,按 node_id 隔离).
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*
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* 由导入任务在"insertBatch 同一事务"内显式调用(本类不自动保存),
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* 保证崩溃时入库与进度要么同时生效、要么同时回滚,消重复导入窗口。
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*
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* @param string $filePath jsonl 文件绝对路径
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* @param int $inode 当前文件 inode
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* @param int $offset 新的字节偏移(最后一条完整行末尾)
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* @param string|null $lastLineHash 最后一条已入库行 md5
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* @param int $failCount 本批解析失败累计次数
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* @param string|null $failSamples 解析失败样本(json 或 null)
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*/
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public function savePosition(string $filePath, int $inode, int $offset, ?string $lastLineHash, int $failCount = 0, ?string $failSamples = null): void
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{
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$now = time();
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$nodeId = HostService::getNodeId();
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$existing = XhprofLogPosition::where('file_path', $filePath)
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->where('node_id', $nodeId)
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->find();
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if ($existing !== null) {
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$existing->save([
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'inode' => $inode,
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'offset' => $offset,
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'last_read_time' => $now,
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'last_line_hash' => $lastLineHash,
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'parse_fail_count' => $failCount,
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'parse_fail_samples' => $failSamples,
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]);
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return;
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}
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XhprofLogPosition::create([
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'node_id' => $nodeId,
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'file_path' => $filePath,
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'inode' => $inode,
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'offset' => $offset,
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'last_read_time' => $now,
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'last_line_hash' => $lastLineHash,
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'parse_fail_count' => $failCount,
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'parse_fail_samples' => $failSamples,
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'create_time' => $now,
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'update_time' => $now,
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]);
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}
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}
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204
extend/base/common/service/XhprofProfileParserServiceBase.php
Normal file
204
extend/base/common/service/XhprofProfileParserServiceBase.php
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@@ -0,0 +1,204 @@
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<?php
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declare(strict_types=1);
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namespace base\common\service;
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/**
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* XHProf jsonl 行解析器(Base 层).
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*
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* 输入:php-profiler FileSaver 落盘的 jsonl 单行 {"profile":{...},"meta":{...}};
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* 输出:ul_xhprof_run 入库行字段 + 解码后的 profile(供 watch 物化)。
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*
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* 纯数组处理,不依赖 Xhgui\Profiler 等镜像内类库(app 侧禁止 use,见计划 guardrails)。
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*
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* meta 真实结构(以容器内实采 fixture 为准,tests/fixtures/xhprof-sample.jsonl):
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* url = meta.url(原生存在,通常为 path 形如 '/',无需从 REQUEST_URI 拼)
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* simple_url = meta.simple_url(bootstrap 的 profiler.simple_url 回调原生产出;
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* 仅缺失/为空时兜底自算,算法与回调保持一致,勿漂移)
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* method = meta.SERVER.REQUEST_METHOD
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* request_time = meta.request_ts_micro.sec + usec/1e6(缺失退化 meta.SERVER.REQUEST_TIME_FLOAT)
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* wall/cpu/pmu = profile['main()'] 的 wt/cpu/pmu(main() 缺失降级 0 并置 degraded,由上层计 fail)
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*
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* 业务侧通过 app/common/service/XhprofProfileParserService 覆盖本类方法.
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*/
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class XhprofProfileParserServiceBase
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{
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/** run.url 列长(ul_xhprof_run.url varchar(500),超长截断) */
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protected const URL_MAX_LENGTH = 500;
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/** run.simple_url 列长 */
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protected const SIMPLE_URL_MAX_LENGTH = 255;
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/** run.method 列长 */
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protected const METHOD_MAX_LENGTH = 10;
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/**
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* 解析单行 jsonl.
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*
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* @param string $line 原始行(不含换行符)
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*
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* @return array|null 成功返回 run 行字段 + profile;空行/非法 JSON/缺 profile 键返回 null。
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* main() 缺失时 wall/cpu/memory_peak 降级 0 且 degraded=true(行仍可入库)。
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*/
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public function parse(string $line): ?array
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{
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$line = trim($line);
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if ($line === '' || $line[0] !== '{') {
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return null;
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}
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$data = json_decode($line, true);
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if (!is_array($data) || !isset($data['profile']) || !is_array($data['profile'])) {
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return null;
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}
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$meta = isset($data['meta']) && is_array($data['meta']) ? $data['meta'] : [];
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// main() 缺失:降级 0 并标记 degraded(导入侧对 degraded 行计 fail 但不丢数据)
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$main = $data['profile']['main()'] ?? null;
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$degraded = !is_array($main);
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$wallTime = $degraded ? 0 : (int) ($main['wt'] ?? 0);
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$cpuTime = $degraded ? 0 : (int) ($main['cpu'] ?? 0);
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$memoryPeak = $degraded ? 0 : (int) ($main['pmu'] ?? 0);
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$url = (string) ($meta['url'] ?? '');
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$simpleUrl = (string) ($meta['simple_url'] ?? '');
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if ($simpleUrl === '') {
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$simpleUrl = $this->buildSimpleUrlFallback($url);
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}
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return [
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'url' => mb_substr($url, 0, self::URL_MAX_LENGTH),
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'simple_url' => mb_substr($simpleUrl, 0, self::SIMPLE_URL_MAX_LENGTH),
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'method' => mb_substr((string) ($meta['SERVER']['REQUEST_METHOD'] ?? ''), 0, self::METHOD_MAX_LENGTH),
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||||
'wall_time' => $wallTime,
|
||||
'cpu_time' => $cpuTime,
|
||||
'memory_peak' => $memoryPeak,
|
||||
'request_time' => $this->parseRequestTime($meta),
|
||||
'profile' => $data['profile'],
|
||||
'degraded' => $degraded,
|
||||
];
|
||||
}
|
||||
|
||||
/**
|
||||
* simple_url 兜底计算.
|
||||
*
|
||||
* 与采集端 bootstrap 的 profiler.simple_url 回调算法完全一致(唯一实现点在采集端,
|
||||
* 这里仅做缺失兜底):path 去 query、纯数字段替换 ':id'、'/' 连接(无前导斜杠)。
|
||||
*/
|
||||
public function buildSimpleUrlFallback(string $url): string
|
||||
{
|
||||
$path = parse_url($url, PHP_URL_PATH);
|
||||
if (!is_string($path) || $path === '') {
|
||||
return '';
|
||||
}
|
||||
$parts = explode('/', trim($path, '/'));
|
||||
foreach ($parts as &$part) {
|
||||
if ($part !== '' && ctype_digit($part)) {
|
||||
$part = ':id';
|
||||
}
|
||||
}
|
||||
unset($part);
|
||||
|
||||
return implode('/', $parts);
|
||||
}
|
||||
|
||||
/**
|
||||
* 编译 watch 正则(导入批次调用一次,结果供 materializeWatches 复用,避免逐行重复编译).
|
||||
*
|
||||
* @param array $watches [['id' => int, 'regex' => string], ...]
|
||||
*
|
||||
* @return array{patterns: array<int, string>, fails: int}
|
||||
* patterns 以 watch_id 为键;id 非法/正则为空/@preg_match 编译失败
|
||||
* 的条目跳过并计入 fails(防非法正则打爆导入任务)
|
||||
*/
|
||||
public function compileWatchRegexes(array $watches): array
|
||||
{
|
||||
$patterns = [];
|
||||
$fails = 0;
|
||||
foreach ($watches as $watch) {
|
||||
$id = (int) ($watch['id'] ?? 0);
|
||||
$regex = (string) ($watch['regex'] ?? '');
|
||||
if ($id <= 0 || $regex === '') {
|
||||
$fails++;
|
||||
continue;
|
||||
}
|
||||
if (@preg_match($regex, '') === false) {
|
||||
$fails++;
|
||||
continue;
|
||||
}
|
||||
$patterns[$id] = $regex;
|
||||
}
|
||||
|
||||
return ['patterns' => $patterns, 'fails' => $fails];
|
||||
}
|
||||
|
||||
/**
|
||||
* watch 物化:拆 "caller==>callee" 边,按 callee(被调用函数名)匹配正则.
|
||||
*
|
||||
* 命中边 ct 累加、wt 累加 wt_sum、wt_max 取最大。
|
||||
* 裸键(如 main())无 ==> 分隔符,不参与物化。
|
||||
*
|
||||
* @param array $profile 解码后的 profile 边表
|
||||
* @param array $patterns compileWatchRegexes 产出的 [watch_id => regex]
|
||||
*
|
||||
* @return array<int, array{ct: int, wt_sum: int, wt_max: int}> 以 watch_id 为键的聚合行
|
||||
*/
|
||||
public function materializeWatches(array $profile, array $patterns): array
|
||||
{
|
||||
if (empty($patterns)) {
|
||||
return [];
|
||||
}
|
||||
|
||||
$result = [];
|
||||
foreach ($profile as $key => $metrics) {
|
||||
$sep = strpos($key, '==>');
|
||||
if ($sep === false) {
|
||||
continue;
|
||||
}
|
||||
$callee = substr($key, $sep + 3);
|
||||
$ct = (int) ($metrics['ct'] ?? 0);
|
||||
$wt = (int) ($metrics['wt'] ?? 0);
|
||||
|
||||
foreach ($patterns as $watchId => $regex) {
|
||||
if (@preg_match($regex, $callee) !== 1) {
|
||||
continue;
|
||||
}
|
||||
if (!isset($result[$watchId])) {
|
||||
$result[$watchId] = ['ct' => 0, 'wt_sum' => 0, 'wt_max' => 0];
|
||||
}
|
||||
$result[$watchId]['ct'] += $ct;
|
||||
$result[$watchId]['wt_sum'] += $wt;
|
||||
if ($wt > $result[$watchId]['wt_max']) {
|
||||
$result[$watchId]['wt_max'] = $wt;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* request_time:优先 meta.request_ts_micro(sec+usec),缺失退化 meta.SERVER.REQUEST_TIME_FLOAT.
|
||||
*
|
||||
* @return float 浮点秒(round 3 位,与 decimal(12,3) 列精度对齐)
|
||||
*/
|
||||
protected function parseRequestTime(array $meta): float
|
||||
{
|
||||
$ts = $meta['request_ts_micro'] ?? null;
|
||||
if (is_array($ts) && isset($ts['sec'])) {
|
||||
$sec = (int) $ts['sec'];
|
||||
$usec = (int) ($ts['usec'] ?? 0);
|
||||
|
||||
return round($sec + $usec / 1000000, 3);
|
||||
}
|
||||
|
||||
$float = $meta['SERVER']['REQUEST_TIME_FLOAT'] ?? null;
|
||||
if (is_numeric($float)) {
|
||||
return round((float) $float, 3);
|
||||
}
|
||||
|
||||
return 0.0;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user