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/* Copyright 2013-2014 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef E_TRACE_H
#define E_TRACE_H
#include <stdbool.h>
#include <types.h>
#include <trace.h>
#include <trace_types.h>
struct trace_reader {
/* This is where the reader is up to. */
u64 rpos;
/* If the last one we read was a repeat, this shows how many. */
u32 last_repeat;
struct list_head traces;
struct tracebuf *tb;
};
/* Is this tracebuf empty? */
bool trace_empty(const struct trace_reader *tr);
/* Get the next trace from this buffer (false if empty). */
bool trace_get(union trace *t, struct trace_reader *tr);
#endif
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