Class Profiler::Counters

Nested Relationships

This class is a nested type of Class Profiler.

Class Documentation

class wrench::Profiler::Counters

Classs to represent the counters.

Public Types

using Duration = std::chrono::duration<uint64_t, std::nano>

Defines the type of the time duration.

Public Functions

auto perf_event_value (PerfEvent event) const noexcept -> uint64_t

Returns the value of the perf event event.

Parameters

  • event: The event to get the value of.

auto perf_event_ratio (PerfEvent a, PerfEvent b) const noexcept -> double

Returns the ratio of the event a to the event b, returning a / b.

Parameters

  • a: The first event for the ratio.

  • b: The second event for the ratio.

auto wall_time () const noexcept -> Duration

Returns the wall clock time.

auto running_time () const noexcept -> Duration

Returns the running time,.

auto instructions_per_cycle () const noexcept -> double

Returns the number of instructions per cycle.

auto cycles_per_instruction () const noexcept -> double

Returns the number of cycles per insturction.

auto l1d_miss_rate () const noexcept -> double

Returns the L1D cache miss rate.

auto l1d_hit_rate () const noexcept -> double

Returns the L1D hit rate.

auto l1i_miss_rate () const noexcept -> double

Returns the L1Icache miss rate.

auto l1i_hit_rate () const noexcept -> double

Returns the L1I hit rate.

auto branch_miss_rate () const noexcept -> double

Returns the branch miss rate.

auto branch_hit_rate () const noexcept -> double

returns the branch hit rate.