GPU-Monitor/index.html at main · SJTU-DENG-Lab/GPU-Monitor · GitHub

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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8" />
  <title>GPU 状态监控</title>
  <script src="https://cdn.tailwindcss.com"></script>
</head>
<body class="bg-gray-100 p-6">
  <div class="max-w-6xl mx-auto">
    <div class="flex items-end justify-between mb-4">
      <h1 class="text-2xl font-bold">GPU 状态监控</h1>
      <div id="meta-info" class="text-sm text-gray-500"></div>
    </div>

    <div id="status-container" class="space-y-4"></div>

    <p class="mt-6 text-sm text-gray-500">
      默认每 120 秒刷新。
    </p>
  </div>

  <script>
    // ---------- LeanCloud 配置 ----------
    const LEANCLOUD_APP_ID  = "uAVuUQjh0PDby80KrGrbQEtp-gzGzoHsz";
    const LEANCLOUD_APP_KEY = "YGQsLOo3YLsQhnPUb1wmYzFt";
    const CLASS_NAME = "GpuStatus";
    const REFRESH_INTERVAL = 2 * 60 * 1000;

    // 仅显示某台机器（可选）
    const urlParams = new URLSearchParams(window.location.search);
    const MACHINE_FILTER = urlParams.get('machine'); // 例: g3

    // ---------- 拉取数据 ----------
    async function fetchStatus() {
      try {
        const baseUrl = `https://api.leancloud.cn/1.1/classes/${encodeURIComponent(CLASS_NAME)}`;
        const params = new URLSearchParams();
        params.set('limit', '1000');
        params.set('keys', 'machine_id,data,updatedAt');
        if (MACHINE_FILTER) {
          params.set('where', JSON.stringify({ machine_id: MACHINE_FILTER }));
        } else {
          params.set('order', 'machine_id');
        }

        const res = await fetch(`${baseUrl}?${params.toString()}`, {
          headers: {
            'X-LC-Id': LEANCLOUD_APP_ID,
            'X-LC-Key': LEANCLOUD_APP_KEY,
            'Content-Type': 'application/json'
          }
        });
        if (!res.ok) throw new Error(`LeanCloud 请求失败：HTTP ${res.status}`);

        const { results = [] } = await res.json();
        renderStatus(results);
      } catch (err) {
        const c = document.getElementById("status-container");
        c.innerHTML = `<div class="border rounded-lg p-4 text-red-600 bg-white">获取数据失败：${escapeHtml(String(err))}</div>`;
        console.error(err);
      }
    }

    // ---------- 渲染（精简版） ----------
    function renderStatus(rows) {
      const container = document.getElementById("status-container");
      container.innerHTML = "";

      if (!rows.length) {
        container.innerHTML = `<div class="border rounded-lg p-4 text-gray-600 bg-white">暂无数据（请确认上报脚本已运行或检查 machine_id）</div>`;
        document.getElementById('meta-info').textContent = "";
        return;
      }

      // 顶部 meta：驱动 / NVML / 最近采集时间
      const meta = rows[0]?.data || {};
      const parts = [];
      if (meta.collected_at)  parts.push(`采集: ${new Date(meta.collected_at * 1000).toLocaleString()}`);
      document.getElementById('meta-info').textContent = parts.join(' · ');

      rows.forEach(info => {
        const status = info.data || {};
        const machineId = info.machine_id || status.machine_id || info.objectId;
        const gpus = Array.isArray(status.gpus) ? status.gpus : [];

        let html = `
          <div class="bg-white border rounded-lg shadow-sm p-4">
            <div class="flex items-center justify-between mb-3">
              <div class="font-semibold text-lg">${escapeHtml(String(machineId))}</div>
              <div class="text-sm text-gray-500">最后更新：${formatDateFriendly(info.updatedAt)}</div>
            </div>
        `;

        if (!gpus.length) {
          html += `<div class="text-gray-600">没有 GPU 信息</div>`;
        } else {
          // 两列卡片网格
          html += `<div class="grid grid-cols-1 md:grid-cols-2 gap-4">`;
          gpus.forEach(gpu => {
            const name = gpu.name || 'Unknown';
            const index = gpu.index ?? '?';

            // 使用率/显存
            const util = (gpu.gpu_util_pct ?? null);
            const utilPct = isFinite(util) ? Math.max(0, Math.min(100, Math.round(util))) : 0;

            const total = gpu.mem_total_mib || 0;
            const used  = gpu.mem_used_mib  || 0;
            const memPct = total ? Math.round(used / total * 100) : 0;

            // 其它核心指标
            const temp = gpu.temperature_c;
            const fan  = gpu.fan_percent;
            const pw   = (typeof gpu.power_w === 'number') ? `${gpu.power_w} W` : 'N/A';
            const pwL  = (typeof gpu.power_limit_w === 'number') ? `${gpu.power_limit_w} W` : 'N/A';

            html += `
              <div class="border rounded-lg p-3 bg-gray-50">
                <div class="flex items-center justify-between">
                  <div class="text-sm font-medium">GPU ${escapeHtml(String(index))} — ${escapeHtml(String(name))}</div>
                </div>

                <!-- GPU 使用率 -->
                <div class="mt-3">
                <div class="text-xs text-gray-600 mb-1">
                    GPU 使用率：${isFinite(util) ? utilPct + '%' : 'N/A'}
                </div>
                <div class="w-full bg-gray-200 rounded h-2 overflow-hidden">
                    <div class="h-2 bg-blue-500 transition-[width] duration-300"
                        style="width:${utilPct}%; min-width:${utilPct>0 ? '2px' : '0'}"></div>
                </div>
                </div>

                <!-- 显存 -->
                <div class="mt-3">
                <div class="text-xs text-gray-600 mb-1">
                    显存：${used} / ${total} MiB (${memPct}%)
                </div>
                <div class="w-full bg-gray-200 rounded h-2 overflow-hidden">
                    <div class="h-2 bg-indigo-500 transition-[width] duration-300"
                        style="width:${memPct}%; min-width:${memPct>0 ? '2px' : '0'}"></div>
                </div>
                </div>

                <div class="mt-3 flex items-center justify-between text-sm text-gray-700">
                  <div>温度：${(temp ?? 'N/A') + (isFinite(temp) ? '°C' : '')}</div>
                  <div>风扇：${(fan ?? 'N/A') + (isFinite(fan) ? '%' : '')}</div>
                  <div>功耗：${pw} / ${pwL}</div>
                </div>
              </div>
            `;
          });
          html += `</div>`;
        }

        html += `</div>`;
        container.innerHTML += html;
      });
    }

    // ---------- 工具 ----------
    function formatDateFriendly(iso, opts = {}) {
        if (!iso) return 'N/A';
        const d = new Date(iso);
        if (isNaN(d)) return String(iso);

        const {
            // 想固定到北京时间就写 'Asia/Shanghai'；默认用浏览器本地时区
            timeZone = 'default',
            showRelative = true
        } = opts;

        const abs = new Intl.DateTimeFormat('zh-CN', {
            year: 'numeric', month: '2-digit', day: '2-digit',
            hour: '2-digit', minute: '2-digit', second: '2-digit',
            hour12: false,
            ...(timeZone !== 'default' ? { timeZone } : {})
        }).format(d);

        if (!showRelative) return abs;

        const s = Math.floor((Date.now() - d.getTime()) / 1000);
        const rel = s < 60 ? '刚刚'
            : s < 3600 ? `${Math.floor(s / 60)} 分钟前`
            : s < 86400 ? `${Math.floor(s / 3600)} 小时前`
            : `${Math.floor(s / 86400)} 天前`;

        return `${abs}`;
    }
    function escapeHtml(s) {
      return String(s ?? '').replace(/[&<>"']/g, m =>
        ({'&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;', "'": '&#39;' }[m])
      );
    }

    // ---------- 启动 ----------
    fetchStatus();
    setInterval(fetchStatus, REFRESH_INTERVAL);
  </script>
</body>
</html>