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DYN_ENABLE_POLL_HISTOGRAM

Constant DYN_ENABLE_POLL_HISTOGRAM 

Source
pub const DYN_ENABLE_POLL_HISTOGRAM: &str = "DYN_ENABLE_POLL_HISTOGRAM";
Expand description

Enable Tokio task poll-time histogram (calls enable_metrics_poll_time_histogram on builder). Set to “1”, “true”, or “yes” to enable. Adds ~2× overhead of Instant::now() per task poll.