void synchronize_trace(void)
{
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,1,0))
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,1,0))
synchronize_rcu();
#else
synchronize_sched();
#endif
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,4,0))
#ifdef CONFIG_PREEMPT_RT_FULL
synchronize_rcu();
#endif
-#else /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) */
+#else /* (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,4,0)) */
#ifdef CONFIG_PREEMPT_RT
synchronize_rcu();
#endif
-#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) */
+#endif /* (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,4,0)) */
}
void lttng_lock_sessions(void)
event_return->enabled = 0;
event_return->registered = 1;
event_return->instrumentation = itype;
+ INIT_LIST_HEAD(&event_return->filter_bytecode_runtime_head);
+ INIT_LIST_HEAD(&event_return->enablers_ref_head);
/*
* Populate lttng_event structure before kretprobe registration.
*/
static
void _lttng_event_destroy(struct lttng_event *event)
{
+ struct lttng_enabler_ref *enabler_ref, *tmp_enabler_ref;
+
switch (event->instrumentation) {
case LTTNG_KERNEL_TRACEPOINT:
lttng_event_desc_put(event->desc);
}
list_del(&event->list);
lttng_destroy_context(event->ctx);
+ lttng_free_event_filter_runtime(event);
+ /* Free event enabler refs */
+ list_for_each_entry_safe(enabler_ref, tmp_enabler_ref,
+ &event->enablers_ref_head, node)
+ kfree(enabler_ref);
kmem_cache_free(event_cache, event);
}
static
void _lttng_event_notifier_destroy(struct lttng_event_notifier *event_notifier)
{
+ struct lttng_enabler_ref *enabler_ref, *tmp_enabler_ref;
+
switch (event_notifier->instrumentation) {
case LTTNG_KERNEL_TRACEPOINT:
lttng_event_desc_put(event_notifier->desc);
WARN_ON_ONCE(1);
}
list_del(&event_notifier->list);
+ lttng_free_event_notifier_filter_runtime(event_notifier);
+ /* Free event enabler refs */
+ list_for_each_entry_safe(enabler_ref, tmp_enabler_ref,
+ &event_notifier->enablers_ref_head, node)
+ kfree(enabler_ref);
kmem_cache_free(event_notifier_cache, event_notifier);
}
list_for_each_entry(runtime,
&event_notifier->capture_bytecode_runtime_head, node)
lttng_bytecode_capture_sync_state(runtime);
+
+ WRITE_ONCE(event_notifier->eval_capture, !!event_notifier->num_captures);
}
}
}
EXPORT_SYMBOL_GPL(lttng_counter_transport_unregister);
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0))
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0))
enum cpuhp_state lttng_hp_prepare;
enum cpuhp_state lttng_hp_online;
cpuhp_remove_multi_state(lttng_hp_prepare);
}
-#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)) */
+#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) */
static int lttng_init_cpu_hotplug(void)
{
return 0;
static void lttng_exit_cpu_hotplug(void)
{
}
-#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)) */
+#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) */
static int __init lttng_events_init(void)