TickSample Struct Reference

#include <sampler.h>

Public Member Functions
	TickSample ()
void	Init (Isolate *isolate, const RegisterState &state)

Data Fields
StateTag	state
Address	pc
union {
Address   tos
Address   external_callback
};
Address	stack [kMaxFramesCount]
int	frames_count: 8
bool	has_external_callback: 1
StackFrame::Type	top_frame_type: 4

Static Public Attributes
static const int	kMaxFramesCount = 64

Detailed Description

Definition at line 55 of file sampler.h.

Constructor & Destructor Documentation

TickSample ( )

inline

Definition at line 56 of file sampler.h.

Member Function Documentation

DISABLE_ASAN void Init	(	Isolate *	isolate,
		const RegisterState &	state
	)

Definition at line 589 of file sampler.cc.

References Memory::Address_at(), SafeStackFrameIterator::Advance(), ASSERT, TickSample::external_callback, RegisterState::fp, SafeStackFrameIterator::frame(), TickSample::frames_count, v8::internal::GC, Isolate::handler(), TickSample::has_external_callback, Isolate::IsInitialized(), Isolate::js_entry_sp(), TickSample::kMaxFramesCount, RegisterState::pc, TickSample::pc, RegisterState::sp, TickSample::stack, Isolate::thread_local_top(), TickSample::top_frame_type, SafeStackFrameIterator::top_frame_type(), and TickSample::tos.

Referenced by ProfilerEventsProcessor::AddCurrentStack(), and Sampler::SampleStack().

Field Documentation

union { ... }

Address external_callback

Definition at line 68 of file sampler.h.

Referenced by TickSample::Init(), ProfileGenerator::RecordTickSample(), and TEST().

int frames_count

Definition at line 72 of file sampler.h.

Referenced by TickSample::Init(), ProfileGenerator::RecordTickSample(), and TEST().

bool has_external_callback

Definition at line 73 of file sampler.h.

Referenced by TickSample::Init(), ProfileGenerator::RecordTickSample(), and TEST().

const int kMaxFramesCount = 64

static

Definition at line 70 of file sampler.h.

Referenced by TickSample::Init(), and TEST().

Address pc

Definition at line 65 of file sampler.h.

Referenced by TickSample::Init(), ProfileGenerator::RecordTickSample(), and TEST().

Address stack[kMaxFramesCount]

Definition at line 71 of file sampler.h.

Referenced by TickSample::Init(), ProfileGenerator::RecordTickSample(), and TEST().

StateTag state

Definition at line 64 of file sampler.h.

Referenced by ProfileGenerator::RecordTickSample(), and Sampler::SampleStack().

StackFrame::Type top_frame_type

Definition at line 74 of file sampler.h.

Referenced by TickSample::Init(), and ProfileGenerator::RecordTickSample().

Address tos

Definition at line 67 of file sampler.h.

Referenced by TickSample::Init(), and TEST().

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

• src/sampler.h
• src/sampler.cc