Cpu fix (#208)

* Updated the topology format to JSON. Updated TopologyReader.kt to handle JSON filed. Added documentation for the new format.

* applied spotless kotlin

* small update

* Updated for spotless apply

* Updated for spotless apply

1 files changed, 446 insertions, 69 deletions

diff --git a/opendc-experiments/opendc-experiments-greenifier/src/main/Python_scripts/OpenDCdemo.ipynb b/opendc-experiments/opendc-experiments-greenifier/src/main/Python_scripts/OpenDCdemo.ipynb
index 09ff26d6..9bee908e 100644
--- a/opendc-experiments/opendc-experiments-greenifier/src/main/Python_scripts/OpenDCdemo.ipynb
+++ b/opendc-experiments/opendc-experiments-greenifier/src/main/Python_scripts/OpenDCdemo.ipynb
@@ -128,10 +128,10 @@
        "      <td>A01</td>\n",
        "      <td>A01</td>\n",
        "      <td>8</td>\n",
-       "      <td>3.2</td>\n",
-       "      <td>128</td>\n",
        "      <td>1</td>\n",
-       "      <td>128</td>\n",
+       "      <td>100</td>\n",
+       "      <td>1</td>\n",
+       "      <td>100</td>\n",
        "      <td>8</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
@@ -200,55 +200,55 @@
        "  <tbody>\n",
        "    <tr>\n",
        "      <th>0</th>\n",
-       "      <td>1019</td>\n",
-       "      <td>2013-08-12 13:40:46+00:00</td>\n",
-       "      <td>300000</td>\n",
+       "      <td>0</td>\n",
+       "      <td>2024-02-02</td>\n",
+       "      <td>86400000</td>\n",
        "      <td>1</td>\n",
-       "      <td>0.000000</td>\n",
+       "      <td>1000.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>1</th>\n",
-       "      <td>1019</td>\n",
-       "      <td>2013-08-12 13:45:46+00:00</td>\n",
-       "      <td>300000</td>\n",
        "      <td>1</td>\n",
-       "      <td>11.703998</td>\n",
+       "      <td>2024-02-02</td>\n",
+       "      <td>86400000</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1000.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2</th>\n",
-       "      <td>1019</td>\n",
-       "      <td>2013-08-12 13:55:46+00:00</td>\n",
-       "      <td>600000</td>\n",
+       "      <td>2</td>\n",
+       "      <td>2024-02-02</td>\n",
+       "      <td>86400000</td>\n",
        "      <td>1</td>\n",
-       "      <td>0.000000</td>\n",
+       "      <td>1000.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>3</th>\n",
-       "      <td>1019</td>\n",
-       "      <td>2013-08-12 14:00:46+00:00</td>\n",
-       "      <td>300000</td>\n",
+       "      <td>3</td>\n",
+       "      <td>2024-02-02</td>\n",
+       "      <td>86400000</td>\n",
        "      <td>1</td>\n",
-       "      <td>11.703998</td>\n",
+       "      <td>1000.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>4</th>\n",
-       "      <td>1019</td>\n",
-       "      <td>2013-08-12 14:15:46+00:00</td>\n",
-       "      <td>900000</td>\n",
+       "      <td>4</td>\n",
+       "      <td>2024-02-02</td>\n",
+       "      <td>86400000</td>\n",
        "      <td>1</td>\n",
-       "      <td>0.000000</td>\n",
+       "      <td>1000.0</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
        "</div>"
       ],
       "text/plain": [
-       "     id                 timestamp  duration  cpu_count  cpu_usage\n",
-       "0  1019 2013-08-12 13:40:46+00:00    300000          1   0.000000\n",
-       "1  1019 2013-08-12 13:45:46+00:00    300000          1  11.703998\n",
-       "2  1019 2013-08-12 13:55:46+00:00    600000          1   0.000000\n",
-       "3  1019 2013-08-12 14:00:46+00:00    300000          1  11.703998\n",
-       "4  1019 2013-08-12 14:15:46+00:00    900000          1   0.000000"
+       "  id  timestamp  duration  cpu_count  cpu_usage\n",
+       "0  0 2024-02-02  86400000          1     1000.0\n",
+       "1  1 2024-02-02  86400000          1     1000.0\n",
+       "2  2 2024-02-02  86400000          1     1000.0\n",
+       "3  3 2024-02-02  86400000          1     1000.0\n",
+       "4  4 2024-02-02  86400000          1     1000.0"
       ]
      },
      "execution_count": 3,
@@ -257,7 +257,7 @@
     }
    ],
    "source": [
-    "df_trace = pd.read_parquet(f\"{base_folder}/resources/bitbrains-small/trace/trace.parquet\")\n",
+    "df_trace = pd.read_parquet(f\"{base_folder}/resources/benchmark/trace/trace.parquet\")\n",
     "df_trace.head()"
    ]
   },
@@ -301,67 +301,60 @@
        "  <tbody>\n",
        "    <tr>\n",
        "      <th>0</th>\n",
-       "      <td>1019</td>\n",
-       "      <td>2013-08-12 13:35:46+00:00</td>\n",
-       "      <td>2013-09-11 13:39:58+00:00</td>\n",
+       "      <td>0</td>\n",
+       "      <td>2024-02-01</td>\n",
+       "      <td>2024-02-02</td>\n",
        "      <td>1</td>\n",
-       "      <td>2926.000135</td>\n",
-       "      <td>181352</td>\n",
+       "      <td>1000.0</td>\n",
+       "      <td>100000</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>1</th>\n",
-       "      <td>1023</td>\n",
-       "      <td>2013-08-12 13:35:46+00:00</td>\n",
-       "      <td>2013-09-11 13:39:58+00:00</td>\n",
        "      <td>1</td>\n",
-       "      <td>2925.999560</td>\n",
-       "      <td>260096</td>\n",
+       "      <td>2024-02-01</td>\n",
+       "      <td>2024-02-02</td>\n",
+       "      <td>1</td>\n",
+       "      <td>1000.0</td>\n",
+       "      <td>100000</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2</th>\n",
-       "      <td>1026</td>\n",
-       "      <td>2013-08-12 13:35:46+00:00</td>\n",
-       "      <td>2013-09-11 13:39:58+00:00</td>\n",
+       "      <td>2</td>\n",
+       "      <td>2024-02-01</td>\n",
+       "      <td>2024-02-02</td>\n",
        "      <td>1</td>\n",
-       "      <td>2925.999717</td>\n",
-       "      <td>249972</td>\n",
+       "      <td>1000.0</td>\n",
+       "      <td>100000</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>3</th>\n",
-       "      <td>1052</td>\n",
-       "      <td>2013-08-29 14:38:12+00:00</td>\n",
-       "      <td>2013-09-05 07:09:07+00:00</td>\n",
+       "      <td>3</td>\n",
+       "      <td>2024-02-01</td>\n",
+       "      <td>2024-02-02</td>\n",
        "      <td>1</td>\n",
-       "      <td>2926.000107</td>\n",
-       "      <td>131245</td>\n",
+       "      <td>1000.0</td>\n",
+       "      <td>100000</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>4</th>\n",
-       "      <td>1073</td>\n",
-       "      <td>2013-08-21 11:07:12+00:00</td>\n",
-       "      <td>2013-09-11 13:39:58+00:00</td>\n",
+       "      <td>4</td>\n",
+       "      <td>2024-02-01</td>\n",
+       "      <td>2024-02-02</td>\n",
        "      <td>1</td>\n",
-       "      <td>2599.999649</td>\n",
-       "      <td>179306</td>\n",
+       "      <td>1000.0</td>\n",
+       "      <td>100000</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
        "</div>"
       ],
       "text/plain": [
-       "     id                start_time                 stop_time  cpu_count  \\\n",
-       "0  1019 2013-08-12 13:35:46+00:00 2013-09-11 13:39:58+00:00          1   \n",
-       "1  1023 2013-08-12 13:35:46+00:00 2013-09-11 13:39:58+00:00          1   \n",
-       "2  1026 2013-08-12 13:35:46+00:00 2013-09-11 13:39:58+00:00          1   \n",
-       "3  1052 2013-08-29 14:38:12+00:00 2013-09-05 07:09:07+00:00          1   \n",
-       "4  1073 2013-08-21 11:07:12+00:00 2013-09-11 13:39:58+00:00          1   \n",
-       "\n",
-       "   cpu_capacity  mem_capacity  \n",
-       "0   2926.000135        181352  \n",
-       "1   2925.999560        260096  \n",
-       "2   2925.999717        249972  \n",
-       "3   2926.000107        131245  \n",
-       "4   2599.999649        179306  "
+       "  id start_time  stop_time  cpu_count  cpu_capacity  mem_capacity\n",
+       "0  0 2024-02-01 2024-02-02          1        1000.0        100000\n",
+       "1  1 2024-02-01 2024-02-02          1        1000.0        100000\n",
+       "2  2 2024-02-01 2024-02-02          1        1000.0        100000\n",
+       "3  3 2024-02-01 2024-02-02          1        1000.0        100000\n",
+       "4  4 2024-02-01 2024-02-02          1        1000.0        100000"
       ]
      },
      "execution_count": 4,
@@ -370,7 +363,7 @@
     }
    ],
    "source": [
-    "df_meta = pd.read_parquet(f\"{base_folder}/resources/bitbrains-small/trace/meta.parquet\")\n",
+    "df_meta = pd.read_parquet(f\"{base_folder}/resources/benchmark/trace/meta.parquet\")\n",
     "df_meta.head()"
    ]
   },
@@ -1095,6 +1088,390 @@
     "output_file_path = Path(output_file)\n",
     "df_trace_new.to_parquet(output_file_path, index=False)"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "id": "d80ee1db",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "df_server = pd.read_parquet(f\"../output/topology=topology.json/workload=benchmark/seed=0/server.parquet\")\n",
+    "df_host = pd.read_parquet(f\"../output/topology=topology.json/workload=benchmark/seed=0/host.parquet\")\n",
+    "df_service = pd.read_parquet(f\"../output/topology=topology.json/workload=benchmark/seed=0/service.parquet\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "id": "4ec05a5b",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>timestamp</th>\n",
+       "      <th>hosts_up</th>\n",
+       "      <th>hosts_down</th>\n",
+       "      <th>servers_pending</th>\n",
+       "      <th>servers_active</th>\n",
+       "      <th>attempts_success</th>\n",
+       "      <th>attempts_failure</th>\n",
+       "      <th>attempts_error</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>300000</td>\n",
+       "      <td>2</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>10</td>\n",
+       "      <td>10</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>600000</td>\n",
+       "      <td>2</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>10</td>\n",
+       "      <td>10</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>900000</td>\n",
+       "      <td>2</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>10</td>\n",
+       "      <td>10</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>1200000</td>\n",
+       "      <td>2</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>10</td>\n",
+       "      <td>10</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>1500000</td>\n",
+       "      <td>2</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>10</td>\n",
+       "      <td>10</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "   timestamp  hosts_up  hosts_down  servers_pending  servers_active  \\\n",
+       "0     300000         2           0                0              10   \n",
+       "1     600000         2           0                0              10   \n",
+       "2     900000         2           0                0              10   \n",
+       "3    1200000         2           0                0              10   \n",
+       "4    1500000         2           0                0              10   \n",
+       "\n",
+       "   attempts_success  attempts_failure  attempts_error  \n",
+       "0                10                 0               0  \n",
+       "1                10                 0               0  \n",
+       "2                10                 0               0  \n",
+       "3                10                 0               0  \n",
+       "4                10                 0               0  "
+      ]
+     },
+     "execution_count": 6,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "df_service.head()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "id": "7f147582",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>timestamp</th>\n",
+       "      <th>host_id</th>\n",
+       "      <th>cpu_count</th>\n",
+       "      <th>mem_capacity</th>\n",
+       "      <th>guests_terminated</th>\n",
+       "      <th>guests_running</th>\n",
+       "      <th>guests_error</th>\n",
+       "      <th>guests_invalid</th>\n",
+       "      <th>cpu_limit</th>\n",
+       "      <th>cpu_usage</th>\n",
+       "      <th>...</th>\n",
+       "      <th>cpu_utilization</th>\n",
+       "      <th>cpu_time_active</th>\n",
+       "      <th>cpu_time_idle</th>\n",
+       "      <th>cpu_time_steal</th>\n",
+       "      <th>cpu_time_lost</th>\n",
+       "      <th>power_draw</th>\n",
+       "      <th>energy_usage</th>\n",
+       "      <th>uptime</th>\n",
+       "      <th>downtime</th>\n",
+       "      <th>boot_time</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>300000</td>\n",
+       "      <td>e220a839-7b1d-cdaf-0000-000000000000</td>\n",
+       "      <td>6</td>\n",
+       "      <td>100000</td>\n",
+       "      <td>0</td>\n",
+       "      <td>5</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>8000.0</td>\n",
+       "      <td>5000.0</td>\n",
+       "      <td>...</td>\n",
+       "      <td>0.625</td>\n",
+       "      <td>1125002</td>\n",
+       "      <td>674998</td>\n",
+       "      <td>18</td>\n",
+       "      <td>0</td>\n",
+       "      <td>325.0</td>\n",
+       "      <td>97500.075</td>\n",
+       "      <td>300000</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>300000</td>\n",
+       "      <td>6e789e6a-a1b9-65f4-0000-000000000001</td>\n",
+       "      <td>4</td>\n",
+       "      <td>100000</td>\n",
+       "      <td>0</td>\n",
+       "      <td>5</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>4000.0</td>\n",
+       "      <td>4000.0</td>\n",
+       "      <td>...</td>\n",
+       "      <td>1.000</td>\n",
+       "      <td>1200000</td>\n",
+       "      <td>0</td>\n",
+       "      <td>300011</td>\n",
+       "      <td>0</td>\n",
+       "      <td>400.0</td>\n",
+       "      <td>120000.000</td>\n",
+       "      <td>300000</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>600000</td>\n",
+       "      <td>e220a839-7b1d-cdaf-0000-000000000000</td>\n",
+       "      <td>6</td>\n",
+       "      <td>100000</td>\n",
+       "      <td>0</td>\n",
+       "      <td>5</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>8000.0</td>\n",
+       "      <td>5000.0</td>\n",
+       "      <td>...</td>\n",
+       "      <td>0.625</td>\n",
+       "      <td>1125000</td>\n",
+       "      <td>675000</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>325.0</td>\n",
+       "      <td>97500.000</td>\n",
+       "      <td>300000</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>600000</td>\n",
+       "      <td>6e789e6a-a1b9-65f4-0000-000000000001</td>\n",
+       "      <td>4</td>\n",
+       "      <td>100000</td>\n",
+       "      <td>0</td>\n",
+       "      <td>5</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>4000.0</td>\n",
+       "      <td>4000.0</td>\n",
+       "      <td>...</td>\n",
+       "      <td>1.000</td>\n",
+       "      <td>1200000</td>\n",
+       "      <td>0</td>\n",
+       "      <td>300000</td>\n",
+       "      <td>0</td>\n",
+       "      <td>400.0</td>\n",
+       "      <td>120000.000</td>\n",
+       "      <td>300000</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>900000</td>\n",
+       "      <td>e220a839-7b1d-cdaf-0000-000000000000</td>\n",
+       "      <td>6</td>\n",
+       "      <td>100000</td>\n",
+       "      <td>0</td>\n",
+       "      <td>5</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>8000.0</td>\n",
+       "      <td>5000.0</td>\n",
+       "      <td>...</td>\n",
+       "      <td>0.625</td>\n",
+       "      <td>1125000</td>\n",
+       "      <td>675000</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "      <td>325.0</td>\n",
+       "      <td>97500.000</td>\n",
+       "      <td>300000</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "<p>5 rows × 21 columns</p>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "   timestamp                               host_id  cpu_count  mem_capacity  \\\n",
+       "0     300000  e220a839-7b1d-cdaf-0000-000000000000          6        100000   \n",
+       "1     300000  6e789e6a-a1b9-65f4-0000-000000000001          4        100000   \n",
+       "2     600000  e220a839-7b1d-cdaf-0000-000000000000          6        100000   \n",
+       "3     600000  6e789e6a-a1b9-65f4-0000-000000000001          4        100000   \n",
+       "4     900000  e220a839-7b1d-cdaf-0000-000000000000          6        100000   \n",
+       "\n",
+       "   guests_terminated  guests_running  guests_error  guests_invalid  cpu_limit  \\\n",
+       "0                  0               5             0               0     8000.0   \n",
+       "1                  0               5             0               0     4000.0   \n",
+       "2                  0               5             0               0     8000.0   \n",
+       "3                  0               5             0               0     4000.0   \n",
+       "4                  0               5             0               0     8000.0   \n",
+       "\n",
+       "   cpu_usage  ...  cpu_utilization  cpu_time_active  cpu_time_idle  \\\n",
+       "0     5000.0  ...            0.625          1125002         674998   \n",
+       "1     4000.0  ...            1.000          1200000              0   \n",
+       "2     5000.0  ...            0.625          1125000         675000   \n",
+       "3     4000.0  ...            1.000          1200000              0   \n",
+       "4     5000.0  ...            0.625          1125000         675000   \n",
+       "\n",
+       "   cpu_time_steal  cpu_time_lost  power_draw  energy_usage  uptime  downtime  \\\n",
+       "0              18              0       325.0     97500.075  300000         0   \n",
+       "1          300011              0       400.0    120000.000  300000         0   \n",
+       "2               0              0       325.0     97500.000  300000         0   \n",
+       "3          300000              0       400.0    120000.000  300000         0   \n",
+       "4               0              0       325.0     97500.000  300000         0   \n",
+       "\n",
+       "   boot_time  \n",
+       "0          0  \n",
+       "1          0  \n",
+       "2          0  \n",
+       "3          0  \n",
+       "4          0  \n",
+       "\n",
+       "[5 rows x 21 columns]"
+      ]
+     },
+     "execution_count": 7,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "df_host.head()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "id": "678ede60",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "Index(['timestamp', 'host_id', 'cpu_count', 'mem_capacity',\n",
+       "       'guests_terminated', 'guests_running', 'guests_error', 'guests_invalid',\n",
+       "       'cpu_limit', 'cpu_usage', 'cpu_demand', 'cpu_utilization',\n",
+       "       'cpu_time_active', 'cpu_time_idle', 'cpu_time_steal', 'cpu_time_lost',\n",
+       "       'power_draw', 'energy_usage', 'uptime', 'downtime', 'boot_time'],\n",
+       "      dtype='object')"
+      ]
+     },
+     "execution_count": 8,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "df_host.columns"
+   ]
   }
  ],
  "metadata": {