X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=lib%2Fringbuffer%2Ffrontend_types.h;h=50b33ac11c85f70856b8dc4f38810df02d346fe9;hb=cc845d7556081ea01b8a5cab74151038cf7bb31a;hp=9fc3a30a90319ffa89a20c3b243160fb830372a8;hpb=886d51a3d7ed5fa6b41d7f19b3e14ae6c535a44c;p=lttng-modules.git diff --git a/lib/ringbuffer/frontend_types.h b/lib/ringbuffer/frontend_types.h index 9fc3a30a..50b33ac1 100644 --- a/lib/ringbuffer/frontend_types.h +++ b/lib/ringbuffer/frontend_types.h @@ -29,10 +29,11 @@ */ #include -#include "../../wrapper/ringbuffer/config.h" -#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 +#include +#include +#include /* For per-CPU read-side iterator */ +#include /* * A switch is done during tracing or as a final flush after tracing (so it @@ -69,11 +70,17 @@ struct channel { 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 */ @@ -152,7 +159,8 @@ struct lib_ring_buffer { 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 @@ -161,6 +169,8 @@ void *channel_get_private(struct channel *chan) 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