| field,dtype,unit,role,description | |
| run_id,string,none,identifier,Original experiment identifier | |
| sample_index,integer,none,identifier,Zero-based observation index within run | |
| elapsed_seconds,float,seconds,timing,Sample start relative to run start; monotonic clock | |
| phase,string,none,label,"baseline, active or recovery; not a model feature" | |
| measurement_end_seconds,float,seconds,timing,Sample collection end relative to run start | |
| cpu_window_seconds,float,seconds,quality,Measured duration of the blocking CPU sample | |
| cpu_percent,float,percent 0..100,measurement,Whole-system CPU utilization in sampled window | |
| memory_percent,float,percent 0..100,measurement,System memory utilization reported by psutil | |
| memory_used_bytes,integer,bytes,measurement,System used memory reported by psutil | |
| memory_available_bytes,integer,bytes,measurement,System available memory reported by psutil | |
| swap_percent,float,percent 0..100,measurement,"Swap/pagefile occupancy, not paging activity" | |
| collection_seconds,float,seconds,quality,Total collection wall time; not recorder CPU percent | |
| scenario,string,none,label,"Experiment type, including before/after observations" | |
| machine_id,string,none,group,Device grouping identifier | |
| session_id,string,none,group,Work-session grouping identifier | |
| scheduled_load,string,none,derived_label,scenario if active and non-normal; otherwise none | |