Struct MetricEvent 

pub struct MetricEvent {

    pub ts: u64,
    pub tool: &'static str,
    pub duration_ms: u64,
    pub output_chars: usize,
    pub param_path_depth: usize,
    pub max_depth: Option<u32>,
    pub result: &'static str,
    pub error_type: Option<String>,
    pub session_id: Option<String>,
    pub seq: Option<u32>,
    pub cache_hit: Option<bool>,
    pub cache_tier: Option<&'static str>,
    pub cache_write_failure: Option<bool>,
    pub exit_code: Option<i32>,
    pub timed_out: bool,
}

A single metric event emitted by a tool invocation.

Fields

ts: u64

tool: &'static str

duration_ms: u64

output_chars: usize

param_path_depth: usize

max_depth: Option<u32>

result: &'static str

error_type: Option<String>

session_id: Option<String>

seq: Option<u32>

cache_hit: Option<bool>

cache_tier: Option<&'static str>

cache_write_failure: Option<bool>

Set to Some(true) when an L2 disk cache write fails (dir, tempfile, write, or rename). Drives the cache_write_failures_total OTEL counter.

exit_code: Option<i32>

timed_out: bool

Trait Implementations

impl Clone for MetricEvent

fn clone(&self) -> MetricEvent

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MetricEvent

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

Formats the value using the given formatter.

impl Default for MetricEvent

fn default() -> MetricEvent

Returns the “default value” for a type.

impl Deserialize<'static> for MetricEvent

where MetricEvent: Default,

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'static>,

Deserialize this value from the given Serde deserializer.

impl Serialize for MetricEvent

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.