Struct ResourceUsage 

pub struct ResourceUsage {
    pub instructions_executed: u64,
    pub memory_bytes_allocated: u64,
    pub output_bytes_written: u64,
    /* private fields */
}

Tracks resource usage during VM execution.

Fields

instructions_executed: u64

memory_bytes_allocated: u64

output_bytes_written: u64

Implementations

impl ResourceUsage

pub fn new(limits: ResourceLimits) -> Self

pub fn start(&mut self)

Start tracking wall-clock time.

pub fn tick_instruction(&mut self) -> Result<(), ResourceLimitExceeded>

Check instruction count limit and amortized wall-time check. Called once per instruction in the dispatch loop.

pub fn record_allocation( &mut self, bytes: u64, ) -> Result<(), ResourceLimitExceeded>

Record memory allocation.

pub fn record_output(&mut self, bytes: u64) -> Result<(), ResourceLimitExceeded>

Record output bytes written.

pub fn limits(&self) -> &ResourceLimits

Return current limits.

pub fn elapsed(&self) -> Option<Duration>

Elapsed wall time since start.

Trait Implementations

impl Debug for ResourceUsage

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

Formats the value using the given formatter.