#include <lttng/events.h>
#include <lttng/msgpack.h>
#include <lttng/event-notifier-notification.h>
+#include <wrapper/barrier.h>
/*
* The capture buffer size needs to be below 1024 bytes to avoid the
ptr = (uint8_t *) output->u.sequence.ptr;
nested_type = output->u.sequence.nested_type;
- switch (nested_type->atype) {
- case atype_integer:
+ switch (nested_type->type) {
+ case lttng_kernel_type_integer:
integer_type = &nested_type->u.integer;
break;
- case atype_enum_nestable:
+ case lttng_kernel_type_enum_nestable:
/* Treat enumeration as an integer. */
integer_type = &nested_type->u.enum_nestable.container_type->u.integer;
break;
{
struct lttng_event_notifier_group *event_notifier_group = event_notifier->group;
+ struct lttng_counter *error_counter;
size_t dimension_index[1];
int ret;
+ /*
+ * lttng_smp_load_acquire paired with lttng_smp_store_release orders
+ * creation of the error counter and setting error_counter_len
+ * before the error_counter is used.
+ */
+ error_counter = lttng_smp_load_acquire(&event_notifier_group->error_counter);
/* This group may not have an error counter attached to it. */
- if (!event_notifier_group->error_counter)
+ if (!error_counter)
return;
dimension_index[0] = event_notifier->error_counter_index;
- ret = event_notifier_group->error_counter->ops->counter_add(
- event_notifier_group->error_counter->counter,
+ ret = error_counter->ops->counter_add(error_counter->counter,
dimension_index, 1);
if (ret)
WARN_ON_ONCE(1);
void lttng_event_notifier_notification_send(struct lttng_event_notifier *event_notifier,
struct lttng_probe_ctx *lttng_probe_ctx,
- const char *stack_data)
+ const char *stack_data,
+ struct lttng_kernel_notifier_ctx *notif_ctx)
{
struct lttng_event_notifier_notification notif = { 0 };
int ret;
goto end;
}
- if (unlikely(!list_empty(&event_notifier->capture_bytecode_runtime_head))) {
+ if (unlikely(notif_ctx->eval_capture)) {
struct lttng_bytecode_runtime *capture_bc_runtime;
/*
* `output` parameter to the capture buffer. If the interpreter
* fails, append an empty capture to the buffer.
*/
- list_for_each_entry(capture_bc_runtime,
+ list_for_each_entry_rcu(capture_bc_runtime,
&event_notifier->capture_bytecode_runtime_head, node) {
struct lttng_interpreter_output output;