ring_buffer_oldest_event_ts  172 include/linux/ring_buffer.h u64 ring_buffer_oldest_event_ts(struct ring_buffer *buffer, int cpu);
ring_buffer_oldest_event_ts 3374 kernel/trace/ring_buffer.c EXPORT_SYMBOL_GPL(ring_buffer_oldest_event_ts);
ring_buffer_oldest_event_ts 7556 kernel/trace/trace.c 		t = ns2usecs(ring_buffer_oldest_event_ts(trace_buf->buffer, cpu));
ring_buffer_oldest_event_ts 7567 kernel/trace/trace.c 				ring_buffer_oldest_event_ts(trace_buf->buffer, cpu));