dart::SampleFilter Class Reference

#include <profiler.h>

Inheritance diagram for dart::SampleFilter:

Public Member Functions
	SampleFilter (Dart_Port port, intptr_t thread_task_mask, int64_t time_origin_micros, int64_t time_extent_micros, bool take_samples=false)
virtual	~SampleFilter ()
virtual bool	FilterSample (Sample *sample)
Dart_Port	port () const
bool	TimeFilterSample (Sample *sample)
bool	TaskFilterSample (Sample *sample)
bool	take_samples () const
Public Member Functions inherited from dart::ValueObject
	ValueObject ()
	~ValueObject ()

Static Public Attributes
static constexpr intptr_t	kNoTaskFilter = -1

Detailed Description

Definition at line 145 of file profiler.h.

Constructor & Destructor Documentation

SampleFilter()

dart::SampleFilter::SampleFilter ( Dart_Port  port, intptr_t  thread_task_mask, int64_t  time_origin_micros, int64_t  time_extent_micros, bool  take_samples = false  )

inline

Definition at line 147 of file profiler.h.

      : port_(port),
        thread_task_mask_(thread_task_mask),
        time_origin_micros_(time_origin_micros),
        time_extent_micros_(time_extent_micros),
        take_samples_(take_samples) {
    ASSERT(thread_task_mask != 0);
    ASSERT(time_origin_micros_ >= -1);
    ASSERT(time_extent_micros_ >= -1);
  }

~SampleFilter()

virtual dart::SampleFilter::~SampleFilter ( )

inlinevirtual

Definition at line 161 of file profiler.h.

{}

Member Function Documentation

FilterSample()

virtual bool dart::SampleFilter::FilterSample ( Sample *  sample )

inlinevirtual

Reimplemented in dart::NoAllocationSampleFilter, dart::AllocationSampleFilter, dart::ClassAllocationSampleFilter, dart::AllocationFilter, and dart::StreamableSampleFilter.

Definition at line 165 of file profiler.h.

{ return true; }

port()

Dart_Port dart::SampleFilter::port ( ) const

inline

Definition at line 167 of file profiler.h.

{ return port_; }

take_samples()

bool dart::SampleFilter::take_samples ( ) const

inline

Definition at line 175 of file profiler.h.

{ return take_samples_; }

TaskFilterSample()

bool dart::SampleFilter::TaskFilterSample

(

Sample *

sample

)

Definition at line 979 of file profiler.cc.

                                                  {
  const intptr_t task = static_cast<intptr_t>(sample->thread_task());
  if (thread_task_mask_ == kNoTaskFilter) {
    return true;
  }
  return (task & thread_task_mask_) != 0;
}

TimeFilterSample()

bool dart::SampleFilter::TimeFilterSample

(

Sample *

sample

)

Definition at line 969 of file profiler.cc.

                                                  {
  if ((time_origin_micros_ == -1) || (time_extent_micros_ == -1)) {
    // No time filter passed in, always pass.
    return true;
  }
  const int64_t timestamp = sample->timestamp();
  int64_t delta = timestamp - time_origin_micros_;
  return (delta >= 0) && (delta <= time_extent_micros_);
}

Member Data Documentation

kNoTaskFilter

constexpr intptr_t dart::SampleFilter::kNoTaskFilter = -1

staticconstexpr

Definition at line 177 of file profiler.h.

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The documentation for this class was generated from the following files:

• third_party/dart-lang/sdk/runtime/vm/profiler.h
• third_party/dart-lang/sdk/runtime/vm/profiler.cc