return;
lib_ring_buffer_ctx_init(&ctx, chan->chan, NULL,
sizeof(payload), ltt_alignof(payload), -1);
- ret = chan->ops->event_reserve(&ctx);
+ ret = chan->ops->event_reserve(&ctx, event->id);
if (ret < 0)
return;
payload.ip = ip;
wrapper_unregister_ftrace_function_probe(event->u.ftrace.symbol_name,
<tng_ftrace_ops, event);
kfree(event->u.ftrace.symbol_name);
- kfree(desc->fields);
+ kfree(event->desc->fields);
kfree(event->desc->name);
kfree(event->desc);
}
EXPORT_SYMBOL_GPL(lttng_ftrace_unregister);
-/* This module is permanent. */
int lttng_ftrace_init(void)
{
wrapper_vmalloc_sync_all();
}
module_init(lttng_ftrace_init)
+/*
+ * Ftrace takes care of waiting for a grace period (RCU sched) at probe
+ * unregistration, and disables preemption around probe call.
+ */
+void lttng_ftrace_exit(void)
+{
+}
+module_exit(lttng_ftrace_exit)
+
MODULE_LICENSE("GPL and additional rights");
MODULE_AUTHOR("Mathieu Desnoyers");
MODULE_DESCRIPTION("Linux Trace Toolkit Ftrace Support");