pub fn dump_to_path(path: &str) -> Result<i64, String>Expand description
Serialize the aggregated zone statistics to CSV, sorted by total_ns
descending so the hot zones appear at the top. Returns the number of
data rows written (not including the header). Resets the profiler
state after writing.
CSV schema:
zone_name,count,total_ns,min_ns,max_ns,mean_ns,stddev_ns