X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=lib%2Fringbuffer%2Ffrontend_types.h;h=50b33ac11c85f70856b8dc4f38810df02d346fe9;hb=48f5e0b5bbe9c45935b483cda894b1d742e53b61;hp=46bf8d27efda7741fc407e79c0553bdff6ab9702;hpb=5671a6610b06175832338ed78db486b59bc5246c;p=lttng-modules.git diff --git a/lib/ringbuffer/frontend_types.h b/lib/ringbuffer/frontend_types.h index 46bf8d27..50b33ac1 100644 --- a/lib/ringbuffer/frontend_types.h +++ b/lib/ringbuffer/frontend_types.h @@ -33,6 +33,7 @@ #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