Struct PayloadMetrics 

pub struct PayloadMetrics {
    pub payload_index: usize,
    pub metrics: Vec<Metric>,
    pub exit_code: i32,
}

All metrics extracted from a single payload run plus the process exit code.

Each concurrent payload (primary or workload, foreground or background) produces one PayloadMetrics value. Sidecar stores these as a Vec<PayloadMetrics> so per-payload provenance is preserved across composed tests. Payload identity (name and cgroup placement) is carried by the enclosing sidecar record — not by PayloadMetrics itself, which holds only the extracted metrics and exit code.

The payload_index field stamps every per-invocation emission (one PayloadMetrics value per .run() / .wait() / .kill() / .try_wait() call) with a monotonically increasing per-process counter — assigned at emit time inside the guest VM.

Fields

payload_index: usize

Per-invocation index assigned at emit time. Monotonically increasing within a single guest VM process, starting at 0.

metrics: Vec<Metric>

Extracted metrics. Empty when OutputFormat::ExitCode is used or when JSON parsing found no numeric leaves.

exit_code: i32

Process exit code (0 = success). Used by MetricCheck::ExitCodeEq in the check evaluation pre-pass.

Implementations

impl PayloadMetrics

pub fn get(&self, name: &str) -> Option<f64>

Look up a metric by exact name. Returns None when the metric is not in the set.

Trait Implementations

impl Clone for PayloadMetrics

fn clone(&self) -> PayloadMetrics

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PayloadMetrics

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for PayloadMetrics

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for PayloadMetrics

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

where __S: Serializer,

Serialize this value into the given Serde serializer.