1 | /* |
2 | * Copyright 2016-present Facebook, 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 | #pragma once |
18 | |
19 | #include <ostream> |
20 | #include <vector> |
21 | |
22 | #include <folly/experimental/exception_tracer/ExceptionTracer.h> |
23 | |
24 | namespace folly { |
25 | namespace exception_tracer { |
26 | |
27 | struct ExceptionStats { |
28 | uint64_t count; |
29 | ExceptionInfo info; |
30 | }; |
31 | |
32 | /** |
33 | * This function accumulates exception throwing statistics across all threads. |
34 | * Please note, that during call to this function, other threads might block |
35 | * on exception throws, so it should be called seldomly. |
36 | * All pef-thread statistics is being reset by the call. |
37 | */ |
38 | std::vector<ExceptionStats> getExceptionStatistics(); |
39 | |
40 | std::ostream& operator<<(std::ostream& out, const ExceptionStats& data); |
41 | |
42 | } // namespace exception_tracer |
43 | } // namespace folly |
44 | |