Struct SpanRecord 

pub struct SpanRecord {

    pub ctx: TraceContext,
    pub name: String,
    pub model: String,
    pub provider: Option<String>,
    pub prompt_tokens: u64,
    pub completion_tokens: u64,
    pub cached_tokens: u64,
    pub reasoning_tokens: u64,
    pub cost_micros: Option<u64>,
    pub start_unix_nano: u64,
    pub end_unix_nano: u64,
    pub ttft: Option<Duration>,
    pub tpot: Option<Duration>,
    pub status_ok: bool,
    pub input: Option<String>,
    pub output: Option<String>,
    pub session_id: Option<String>,
}

A metered LLM request rendered into span form. input/output stay None unless content capture is enabled (they are populated, already DLP-redacted, at the wiring site).

Fields

ctx: TraceContext

name: String

model: String

provider: Option<String>

prompt_tokens: u64

completion_tokens: u64

cached_tokens: u64

reasoning_tokens: u64

cost_micros: Option<u64>

Cost in micro-dollars; None when the model is unpriced (tokens still emitted).

start_unix_nano: u64

end_unix_nano: u64

ttft: Option<Duration>

tpot: Option<Duration>

status_ok: bool

Upstream status was 2xx.

input: Option<String>

output: Option<String>

session_id: Option<String>

Trait Implementations

impl Clone for SpanRecord

fn clone(&self) -> SpanRecord

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for SpanRecord

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.