HPROF failed with:
HPROF ERROR: (thread_serial_num) >= gdata->thread_serial_number_start && (thread_serial_num) < gdata->thread_serial_number_counter [hprof_io.c:882]
HPROF ERROR: (thread_serial_num) >= gdata->thread_serial_number_start && (thread_serial_num) < gdata->thread_serial_number_counter [hprof_io.c:882]