#include <linux/kref.h>
#include "../../wrapper/ringbuffer/config.h"
#include "../../wrapper/ringbuffer/backend_types.h"
-#include "../../wrapper/prio_heap.h" /* For per-CPU read-side iterator */
+#include "../../lib/prio_heap/lttng_prio_heap.h" /* For per-CPU read-side iterator */
/*
* A switch is done during tracing or as a final flush after tracing (so it
/* channel-level read-side iterator */
struct channel_iter {
/* Prio heap of buffers. Lowest timestamps at the top. */
- struct ptr_heap heap; /* Heap of struct lib_ring_buffer ptrs */
+ struct lttng_ptr_heap heap; /* Heap of struct lib_ring_buffer ptrs */
struct list_head empty_head; /* Empty buffers linked-list head */
int read_open; /* Opened for reading ? */
u64 last_qs; /* Last quiescent state timestamp */
int cpu_hp_enable:1; /* Enable CPU hotplug notif. */
int hp_iter_enable:1; /* Enable hp iter notif. */
wait_queue_head_t read_wait; /* reader wait queue */
+ wait_queue_head_t hp_wait; /* CPU hotplug wait queue */
+ int finalized; /* Has channel been finalized */
struct channel_iter iter; /* Channel read-side iterator */
struct kref ref; /* Reference count */
};
int read_timer_enabled:1; /* Protected by ring_buffer_nohz_lock */
};
+static inline
+void *channel_get_private(struct channel *chan)
+{
+ return chan->backend.priv;
+}
+
/*
* Issue warnings and disable channels upon internal error.
* Can receive struct lib_ring_buffer or struct lib_ring_buffer_backend