Struct PerfCounter 

pub struct PerfCounter {
    pub instructions_retired: u64,
    pub cache_misses: u64,
    pub branch_mispredictions: u64,
    pub context_switches: u64,
    pub cycles: u64,
}

Simulated hardware performance counter.

Fields

instructions_retired: u64

Instructions retired (simulated).

cache_misses: u64

Cache misses (simulated).

branch_mispredictions: u64

Branch mispredictions (simulated).

context_switches: u64

Context switches (simulated).

cycles: u64

Cycles elapsed (simulated).

Implementations

impl PerfCounter

pub fn new() -> Self

Create zeroed performance counters.

pub fn simulate_instructions(&mut self, n: u64)

Simulate a number of instructions.

pub fn simulate_cache_miss(&mut self)

Simulate a cache miss.

pub fn simulate_branch_misprediction(&mut self)

Simulate a branch misprediction.

pub fn ipc(&self) -> f64

IPC (instructions per cycle).

pub fn cache_miss_rate_per_1k(&self) -> f64

Cache miss rate per 1000 instructions.

pub fn summary(&self) -> String

Format a human-readable summary.

Trait Implementations

impl Clone for PerfCounter

fn clone(&self) -> PerfCounter

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PerfCounter

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

Formats the value using the given formatter.

impl Default for PerfCounter

fn default() -> PerfCounter

Returns the “default value” for a type.