TraceAllocator Class Reference

A custom unidirectional memory allocator so we can take traces from interrupts. More...

#include <cpu_profile.hxx>

Public Member Functions
void *	alloc (unsigned size)

Public Attributes
unsigned	limitReached {0}
	how many times did we run into the MAX_STRACE limit.
unsigned	singleLenHack {0}
	How many times did we apply the backtrace hack to work around single-entry backtraces.

Private Attributes
unsigned	buffer [TRACE_BUFFER_LENGTH_WORDS]
	Storage of the trace buffer.
unsigned	endOffset {0}
	index into buffer[] to denote first free element.

Detailed Description

A custom unidirectional memory allocator so we can take traces from interrupts.

Definition at line 55 of file cpu_profile.hxx.

Member Function Documentation

alloc()

void * TraceAllocator::alloc ( unsigned  size )

inline

Definition at line 58 of file cpu_profile.hxx.

Member Data Documentation

buffer

unsigned TraceAllocator::buffer[TRACE_BUFFER_LENGTH_WORDS]

private

Storage of the trace buffer.

Definition at line 73 of file cpu_profile.hxx.

endOffset

unsigned TraceAllocator::endOffset {0}

private

index into buffer[] to denote first free element.

Definition at line 75 of file cpu_profile.hxx.

limitReached

unsigned TraceAllocator::limitReached {0}

how many times did we run into the MAX_STRACE limit.

Definition at line 79 of file cpu_profile.hxx.

singleLenHack

unsigned TraceAllocator::singleLenHack {0}

How many times did we apply the backtrace hack to work around single-entry backtraces.

Definition at line 82 of file cpu_profile.hxx.

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

• cpu_profile.hxx