test/trace_processor/graphics/gpu_mem_total.sql

SELECT ct.name, ct.unit, ct.description, c.ts, p.pid, CAST(c.value as INT) as value
FROM counter_track ct
LEFT JOIN process_counter_track pct USING (id)
LEFT JOIN process p USING (upid)
LEFT JOIN counter c ON c.track_id = ct.id
ORDER BY ts