- uint64_t limit_samples; /**< The sampling limit (in number of samples). */
- uint64_t limit_msec; /**< The time limit (in milliseconds). */
- gboolean data_source; /**< Whether to read live samples or memory */
- void *session_cb_data; /**< Opaque pointer passed in by the frontend. */
-
- /* Operational state */
- uint64_t num_samples; /**< The number of already received samples. */
- int64_t start_time; /**< The time at which sampling started. */