Method get_session_phases

atomic-core/src/pristine/txn/read.rs:614–638

Get phase timing breakdown for a provenance graph. Returns timing data for each phase in the turn. Empty if the provenance is not Sherpa or has no session data.

(
        &self,
        provenance_id: u64,
    )

    /// Returns timing data for each phase in the turn.
    /// Empty if the provenance is not Sherpa or has no session data.
    pub fn get_session_phases(
        &self,
        provenance_id: u64,
    ) -> PristineResult<Vec<crate::change::session::PhaseTimingEntry>> {
        use crate::change::session::{encode_session_prefix, PhaseTimingEntry};

        let table = self.txn.open_table(SESSION_PHASES)?;
        let mut phases = Vec::new();

        // Bounded prefix scan: all phase keys for this provenance_id lie in
        // [prefix(id), prefix(id+1)).
        let start = encode_session_prefix(provenance_id);
        let end = encode_session_prefix(provenance_id.saturating_add(1));
        for result in table.range::<&[u8; 16]>(&start..&end)? {
            let (_key, value) = result?;
            match PhaseTimingEntry::from_bytes(value.value()) {
                Ok(entry) => phases.push(entry),
                Err(e) => {
                    log::warn!("Failed to deserialize phase timing entry: {}", e);
                }
            }
        }

        Ok(phases)
    }

    /// Get intent metadata for a provenance graph.
    ///