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
24namespace folly {
25namespace exception_tracer {
26
27struct 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 */
38std::vector<ExceptionStats> getExceptionStatistics();
39
40std::ostream& operator<<(std::ostream& out, const ExceptionStats& data);
41
42} // namespace exception_tracer
43} // namespace folly
44