Seastar
High performance C++ framework for concurrent servers
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memory_diagnostics.hh
1/*
2 * This file is open source software, licensed to you under the terms
3 * of the Apache License, Version 2.0 (the "License"). See the NOTICE file
4 * distributed with this work for additional information regarding copyright
5 * ownership. You may not use this file except in compliance with the License.
6 *
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing,
12 * software distributed under the License is distributed on an
13 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14 * KIND, either express or implied. See the License for the
15 * specific language governing permissions and limitations
16 * under the License.
17 */
18/*
19 * Copyright 2020 ScyllaDB
20 */
21
22#pragma once
23
24#include <seastar/core/sstring.hh>
25#include <seastar/util/noncopyable_function.hh>
26#include <seastar/util/modules.hh>
27
28namespace seastar {
29
30SEASTAR_MODULE_EXPORT_BEGIN
31
32enum class log_level;
33
34namespace memory {
35
43 none,
48 all,
49};
50
56
62
64using memory_diagnostics_writer = noncopyable_function<void(std::string_view)>;
65
83
90
91SEASTAR_MODULE_EXPORT_END
92
93namespace internal {
100void log_memory_diagnostics_report(log_level lvl);
101}
102
103} // namespace memory
104} // namespace seastar
log_level
log level used with
Definition: log.hh:55
alloc_failure_kind
The kind of allocation failures to dump diagnostics report for.
Definition: memory_diagnostics.hh:41
@ none
Dump diagnostic error report for none of the allocation failures.
void set_dump_memory_diagnostics_on_alloc_failure_kind(alloc_failure_kind)
Configure when memory diagnostics are dumped.
sstring generate_memory_diagnostics_report()
void set_additional_diagnostics_producer(noncopyable_function< void(memory_diagnostics_writer)> producer)
Set a producer of additional diagnostic information.
Seastar API namespace.
Definition: abort_on_ebadf.hh:26
Definition: noncopyable_function.hh:37