blob: 58ab8e52857b90790d50a212fd2233e875550e0a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/*
* Copyright (C) 2018 The Android Open Source Project
*
* 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 INCLUDE_PERFETTO_EXT_BASE_WATCHDOG_H_
#define INCLUDE_PERFETTO_EXT_BASE_WATCHDOG_H_
#include <functional>
#include "perfetto/base/build_config.h"
// The POSIX watchdog is only supported on Linux and Android in non-embedder
// builds.
#if PERFETTO_BUILDFLAG(PERFETTO_WATCHDOG)
#include "perfetto/ext/base/watchdog_posix.h"
#else
#include "perfetto/ext/base/watchdog_noop.h"
#endif
namespace perfetto {
namespace base {
// Make the limits more relaxed on desktop, where multi-GB traces are likely.
// Multi-GB traces can take bursts of cpu time to write into disk at the end of
// the trace.
#if PERFETTO_BUILDFLAG(PERFETTO_OS_ANDROID)
constexpr uint32_t kWatchdogDefaultCpuLimit = 75;
constexpr uint32_t kWatchdogDefaultCpuWindow = 5 * 60 * 1000; // 5 minutes.
#else
constexpr uint32_t kWatchdogDefaultCpuLimit = 90;
constexpr uint32_t kWatchdogDefaultCpuWindow = 10 * 60 * 1000; // 10 minutes.
#endif
// The default memory margin we give to our processes. This is used as as a
// constant to put on top of the trace buffers.
constexpr uint64_t kWatchdogDefaultMemorySlack = 32 * 1024 * 1024; // 32 MiB.
constexpr uint32_t kWatchdogDefaultMemoryWindow = 30 * 1000; // 30 seconds.
inline void RunTaskWithWatchdogGuard(const std::function<void()>& task) {
// Maximum time a single task can take in a TaskRunner before the
// program suicides.
constexpr int64_t kWatchdogMillis = 30000; // 30s
Watchdog::Timer handle =
base::Watchdog::GetInstance()->CreateFatalTimer(kWatchdogMillis);
task();
// Suppress unused variable warnings in the client library amalgamated build.
(void)kWatchdogDefaultCpuLimit;
(void)kWatchdogDefaultCpuWindow;
(void)kWatchdogDefaultMemorySlack;
(void)kWatchdogDefaultMemoryWindow;
}
} // namespace base
} // namespace perfetto
#endif // INCLUDE_PERFETTO_EXT_BASE_WATCHDOG_H_
|
