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