MetricsRegistry

Struct MetricsRegistry 

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pub struct MetricsRegistry {
    pub requests_total: Counter,
    pub requests_success: Counter,
    pub requests_error: Counter,
    pub tokens_input: Counter,
    pub tokens_output: Counter,
    pub cache_read_tokens: Counter,
    pub cache_creation_tokens: Counter,
    pub tool_calls_total: Counter,
    pub tool_errors: Counter,
    pub active_sessions: Gauge,
    pub request_latency_ms: Histogram,
    pub cost_total_micros: Counter,
    /* private fields */
}
Expand description

Agent-specific metrics registry.

Tracks metrics locally with atomic counters, and optionally exports to OpenTelemetry when the otel feature is enabled.

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§requests_total: Counter§requests_success: Counter§requests_error: Counter§tokens_input: Counter§tokens_output: Counter§cache_read_tokens: Counter§cache_creation_tokens: Counter§tool_calls_total: Counter§tool_errors: Counter§active_sessions: Gauge§request_latency_ms: Histogram§cost_total_micros: Counter

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impl MetricsRegistry

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pub fn new(_config: &MetricsConfig) -> Self

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pub fn with_otel(_config: &MetricsConfig, otel_config: &OtelConfig) -> Self

Available on crate feature otel only.
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pub fn record_request_start(&self)

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pub fn record_request_end(&self, success: bool, latency_ms: f64)

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pub fn record_tokens(&self, input: u32, output: u32)

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pub fn record_cache(&self, read: u32, creation: u32)

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pub fn record_tool_call(&self, success: bool)

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pub fn record_cost(&self, cost_usd: f64)

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pub fn total_cost_usd(&self) -> f64

Trait Implementations§

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impl Default for MetricsRegistry

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fn default() -> Self

Returns the “default value” for a type. Read more

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fn from(t: T) -> T

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fn with_context(self, otel_cx: Context) -> WithContext<Self>

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