- "time_avg_us", avg(op[x]["time_us"], op[x]["count"], \
- "stdev", stdev(op[x]["time_us"], op[x]["time_us_sq"], op[x]["count"]));
+ "time_avg_us", avg(op[x]["time_us"], op[x]["count"]), \
+ "stdev", stdev(op[x]["time_us"], op[x]["time_us_sq"], op[x]["count"]);