#include <wrapper/ringbuffer/backend_types.h>
#include <wrapper/spinlock.h>
#include <lib/prio_heap/lttng_prio_heap.h> /* For per-CPU read-side iterator */
+#include <lttng-cpuhotplug.h>
/*
* A switch is done during tracing or as a final flush after tracing (so it
unsigned long switch_timer_interval; /* Buffer flush (jiffies) */
unsigned long read_timer_interval; /* Reader wakeup (jiffies) */
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0))
+ struct lttng_cpuhp_node cpuhp_prepare;
+ struct lttng_cpuhp_node cpuhp_online;
+ struct lttng_cpuhp_node cpuhp_iter_online;
+#else
struct notifier_block cpu_hp_notifier; /* CPU hotplug notifier */
- struct notifier_block tick_nohz_notifier; /* CPU nohz notifier */
struct notifier_block hp_iter_notifier; /* hotplug iterator notifier */
unsigned int cpu_hp_enable:1; /* Enable CPU hotplug notif. */
unsigned int hp_iter_enable:1; /* Enable hp iter notif. */
+#endif
+ struct notifier_block tick_nohz_notifier; /* CPU nohz notifier */
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 */
unsigned long cons_snapshot; /* Consumer count snapshot */
unsigned int get_subbuf:1, /* Sub-buffer being held by reader */
switch_timer_enabled:1, /* Protected by ring_buffer_nohz_lock */
- read_timer_enabled:1; /* Protected by ring_buffer_nohz_lock */
+ read_timer_enabled:1, /* Protected by ring_buffer_nohz_lock */
+ quiescent:1;
};
static inline
return chan->backend.priv;
}
+void lib_ring_buffer_lost_event_too_big(struct channel *chan);
+
/*
* Issue warnings and disable channels upon internal error.
* Can receive struct lib_ring_buffer or struct lib_ring_buffer_backend