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Diffstat (limited to 'include/linux/ring_buffer.h')
-rw-r--r--include/linux/ring_buffer.h12
1 files changed, 7 insertions, 5 deletions
diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h
index df0124eabece..2504df9a0453 100644
--- a/include/linux/ring_buffer.h
+++ b/include/linux/ring_buffer.h
@@ -61,7 +61,8 @@ enum ring_buffer_type {
unsigned ring_buffer_event_length(struct ring_buffer_event *event);
void *ring_buffer_event_data(struct ring_buffer_event *event);
-u64 ring_buffer_event_time_stamp(struct ring_buffer_event *event);
+u64 ring_buffer_event_time_stamp(struct trace_buffer *buffer,
+ struct ring_buffer_event *event);
/*
* ring_buffer_discard_commit will remove an event that has not
@@ -100,7 +101,7 @@ __ring_buffer_alloc(unsigned long size, unsigned flags, struct lock_class_key *k
int ring_buffer_wait(struct trace_buffer *buffer, int cpu, int full);
__poll_t ring_buffer_poll_wait(struct trace_buffer *buffer, int cpu,
struct file *filp, poll_table *poll_table);
-
+void ring_buffer_wake_waiters(struct trace_buffer *buffer, int cpu);
#define RING_BUFFER_ALL_CPUS -1
@@ -135,14 +136,15 @@ void ring_buffer_read_finish(struct ring_buffer_iter *iter);
struct ring_buffer_event *
ring_buffer_iter_peek(struct ring_buffer_iter *iter, u64 *ts);
-struct ring_buffer_event *
-ring_buffer_read(struct ring_buffer_iter *iter, u64 *ts);
+void ring_buffer_iter_advance(struct ring_buffer_iter *iter);
void ring_buffer_iter_reset(struct ring_buffer_iter *iter);
int ring_buffer_iter_empty(struct ring_buffer_iter *iter);
+bool ring_buffer_iter_dropped(struct ring_buffer_iter *iter);
unsigned long ring_buffer_size(struct trace_buffer *buffer, int cpu);
void ring_buffer_reset_cpu(struct trace_buffer *buffer, int cpu);
+void ring_buffer_reset_online_cpus(struct trace_buffer *buffer);
void ring_buffer_reset(struct trace_buffer *buffer);
#ifdef CONFIG_RING_BUFFER_ALLOW_SWAP
@@ -179,7 +181,7 @@ unsigned long ring_buffer_commit_overrun_cpu(struct trace_buffer *buffer, int cp
unsigned long ring_buffer_dropped_events_cpu(struct trace_buffer *buffer, int cpu);
unsigned long ring_buffer_read_events_cpu(struct trace_buffer *buffer, int cpu);
-u64 ring_buffer_time_stamp(struct trace_buffer *buffer, int cpu);
+u64 ring_buffer_time_stamp(struct trace_buffer *buffer);
void ring_buffer_normalize_time_stamp(struct trace_buffer *buffer,
int cpu, u64 *ts);
void ring_buffer_set_clock(struct trace_buffer *buffer,