1 /*
2  * Copyright (c) 2015 PLUMgrid, Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef PERF_READER_H
18 #define PERF_READER_H
19 
20 #include "libbpf.h"
21 
22 #ifdef __cplusplus
23 extern "C" {
24 #endif
25 
26 struct perf_reader;
27 
28 struct perf_reader * perf_reader_new(perf_reader_raw_cb raw_cb,
29                                      perf_reader_lost_cb lost_cb,
30                                      void *cb_cookie, int page_cnt);
31 void perf_reader_free(void *ptr);
32 int perf_reader_mmap(struct perf_reader *reader);
33 void perf_reader_event_read(struct perf_reader *reader);
34 int perf_reader_poll(int num_readers, struct perf_reader **readers, int timeout);
35 int perf_reader_fd(struct perf_reader *reader);
36 void perf_reader_set_fd(struct perf_reader *reader, int fd);
37 
38 #ifdef __cplusplus
39 }
40 #endif
41 
42 #endif
43