Trait PerformanceCounter 

pub trait PerformanceCounter: Send + Sync {
    // Required methods
    fn available_counters(&self) -> Vec<CounterType>;
    fn is_available(&self, countertype: &CounterType) -> bool;
    fn start_counter(&self, countertype: &CounterType) -> CoreResult<()>;
    fn stop_counter(&self, countertype: &CounterType) -> CoreResult<()>;
    fn read_counter(
        &self,
        countertype: &CounterType,
    ) -> CoreResult<CounterValue>;
    fn read_counters(
        &self,
        countertypes: &[CounterType],
    ) -> CoreResult<Vec<CounterValue>>;
    fn reset_counter(&self, countertype: &CounterType) -> CoreResult<()>;
    fn is_overflowed(&self, countertype: &CounterType) -> CoreResult<bool>;
}

Hardware performance counter interface

Required Methods

fn available_counters(&self) -> Vec<CounterType>

Get available counter types on this platform

fn is_available(&self, countertype: &CounterType) -> bool

Check if a counter type is available

fn start_counter(&self, countertype: &CounterType) -> CoreResult<()>

Start monitoring a counter

fn stop_counter(&self, countertype: &CounterType) -> CoreResult<()>

Stop monitoring a counter

fn read_counter(&self, countertype: &CounterType) -> CoreResult<CounterValue>

Read current value of a counter

fn read_counters( &self, countertypes: &[CounterType], ) -> CoreResult<Vec<CounterValue>>

Read multiple counters atomically

fn reset_counter(&self, countertype: &CounterType) -> CoreResult<()>

Reset a counter to zero

fn is_overflowed(&self, countertype: &CounterType) -> CoreResult<bool>

Get counter overflow status

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl PerformanceCounter for LinuxPerfCounter

Available on Linux and crate feature profiling_perf only.

impl PerformanceCounter for NoOpCounter