INNER CODE UNIT · Python

compute_time_deltas

etchdroid/etchdroid · misc/ostream-trace-log-analyzer.py:74

def compute_time_deltas(events_df, event_name):
    # Separate start and end events
    start_events = events_df[events_df['event_type'] == 'start']
    end_events = events_df[events_df['event_type'] == 'end']

    # Merge start and end events on 'block'
    merged = pd.merge(start_events, end_events, on='block', suffixes=('_start', '_end'))

    # Compute time deltas
    merged['time_delta_s'] = merged['time_s_end'] - merged['time_s_start']

    # Remove negative time deltas (if any)
    merged = merged[merged['time_delta_s'] >= 0]

    # Keep relevant columns
    result = merged[['block', 'pos_start', 'time_delta_s']]
    result['event'] = event_name

View source record →