Class TracingSession

Class Documentation

class TracingSession

Tracing session for performance profiling.

TracingSession manages Perfetto tracing for profiling media operations.

Public Functions

explicit TracingSession(void *sess = nullptr)

Construct a tracing session.

Parameters:

sess – Optional session pointer.

TracingSession(const TracingSession&) = delete

Deleted copy constructor.

TracingSession &operator=(const TracingSession&) = delete

Deleted copy assignment operator.

TracingSession(TracingSession &&other) noexcept

Move constructor.

TracingSession &operator=(TracingSession &&other) noexcept

Move assignment operator.

~TracingSession()

Destructor.

void init()

Initialize the tracing session.

void config(const std::string &process_name)

Configure the tracing session.

Parameters:

process_name – Name of the process being traced.

void start(int fd, int buffer_size_in_kb)

Start tracing to a file descriptor.

Parameters:

  • fd – File descriptor to write trace data.

  • buffer_size_in_kb – Buffer size in kilobytes.

void stop()

Stop tracing.