retailopenml/197-cpu_actregressionbenchmarktabularsystemscpuopenmlclassicperformance
CPU Activity (cpu_act)
About this data
Classic regression benchmark predicting CPU user-mode utilization from 21 system activity measures collected on a Sun Sparcstation. 8,192 rows, widely used in ML evaluation.
Schema
| Name | Type | Description |
|---|---|---|
| lread | DOUBLE | Memory reads (transfers per second) between system and user memory |
| lwrite | DOUBLE | Memory writes (transfers per second) between system and user memory |
| scall | DOUBLE | System calls per second |
| sread | DOUBLE | System read calls per second |
| swrite | DOUBLE | System write calls per second |
| fork | DOUBLE | Fork system calls per second |
| exec | DOUBLE | Exec system calls per second |
| rchar | DOUBLE | Characters transferred per second by system reads |
| wchar | DOUBLE | Characters transferred per second by system writes |
| pgout | DOUBLE | Page-out operations per second |
| ppgout | DOUBLE | Pages written to swap per second |
| pgfree | DOUBLE | Pages freed per second |
| pgscan | DOUBLE | Pages scanned by page replacement per second |
| atch | DOUBLE | Page attachments per second |
| pgin | DOUBLE | Page-in operations per second |
| ppgin | DOUBLE | Pages read from swap per second |
| pflt | DOUBLE | Page faults per second |
| vflt | DOUBLE | Virtual memory faults per second |
| runqsz | DOUBLE | Average process run queue size |
| freemem | DOUBLE | Memory pages available to user processes |
| freeswap | DOUBLE | Swap space pages available |
| usr | UTINYINT | CPU user mode time as percentage (0–100) |
Sample Data
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Seller: DataBazaar
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Via MCP Server
# 1. Add to your agent's MCP config (claude_desktop_config.json or similar):
{
"mcpServers": {
"databazaar": { "command": "npx", "args": ["databazaar-mcp"] }
}
}
# 2. Your agent can then call:
search_datasets({ query: "CPU Activity (cpu_act)" })
// Found: a9c43c3b-56fd-4640-b26b-7cd9ef3c730f
get_download_url({ dataset_id: "a9c43c3b-56fd-4640-b26b-7cd9ef3c730f" }) // free — no API key neededVia REST API
# Free dataset — no API key required: curl https://api.databazaar.io/datasets/a9c43c3b-56fd-4640-b26b-7cd9ef3c730f/download-url