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1 // Copyright (c) 2015 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "base/trace_event/trace_options.h" | |
6 | |
7 #include "base/logging.h" | |
8 #include "base/strings/string_split.h" | |
9 | |
10 namespace base { | |
11 namespace trace_event { | |
12 | |
13 namespace { | |
14 | |
15 // String options that can be used to initialize TraceOptions. | |
16 const char kRecordUntilFull[] = "record-until-full"; | |
17 const char kRecordContinuously[] = "record-continuously"; | |
18 const char kRecordAsMuchAsPossible[] = "record-as-much-as-possible"; | |
19 const char kTraceToConsole[] = "trace-to-console"; | |
20 const char kEnableSampling[] = "enable-sampling"; | |
21 const char kEnableSystrace[] = "enable-systrace"; | |
22 const char kEnableArgumentFilter[] = "enable-argument-filter"; | |
23 | |
24 } // namespace | |
25 | |
26 bool TraceOptions::SetFromString(const std::string& options_string) { | |
27 record_mode = RECORD_UNTIL_FULL; | |
28 enable_sampling = false; | |
29 enable_systrace = false; | |
30 | |
31 std::vector<std::string> split; | |
32 std::vector<std::string>::iterator iter; | |
33 base::SplitString(options_string, ',', &split); | |
34 for (iter = split.begin(); iter != split.end(); ++iter) { | |
35 if (*iter == kRecordUntilFull) { | |
36 record_mode = RECORD_UNTIL_FULL; | |
37 } else if (*iter == kRecordContinuously) { | |
38 record_mode = RECORD_CONTINUOUSLY; | |
39 } else if (*iter == kTraceToConsole) { | |
40 record_mode = ECHO_TO_CONSOLE; | |
41 } else if (*iter == kRecordAsMuchAsPossible) { | |
42 record_mode = RECORD_AS_MUCH_AS_POSSIBLE; | |
43 } else if (*iter == kEnableSampling) { | |
44 enable_sampling = true; | |
45 } else if (*iter == kEnableSystrace) { | |
46 enable_systrace = true; | |
47 } else if (*iter == kEnableArgumentFilter) { | |
48 enable_argument_filter = true; | |
49 } else { | |
50 return false; | |
51 } | |
52 } | |
53 return true; | |
54 } | |
55 | |
56 std::string TraceOptions::ToString() const { | |
57 std::string ret; | |
58 switch (record_mode) { | |
59 case RECORD_UNTIL_FULL: | |
60 ret = kRecordUntilFull; | |
61 break; | |
62 case RECORD_CONTINUOUSLY: | |
63 ret = kRecordContinuously; | |
64 break; | |
65 case ECHO_TO_CONSOLE: | |
66 ret = kTraceToConsole; | |
67 break; | |
68 case RECORD_AS_MUCH_AS_POSSIBLE: | |
69 ret = kRecordAsMuchAsPossible; | |
70 break; | |
71 default: | |
72 NOTREACHED(); | |
73 } | |
74 if (enable_sampling) | |
75 ret = ret + "," + kEnableSampling; | |
76 if (enable_systrace) | |
77 ret = ret + "," + kEnableSystrace; | |
78 if (enable_argument_filter) | |
79 ret = ret + "," + kEnableArgumentFilter; | |
80 return ret; | |
81 } | |
82 | |
83 } // namespace trace_event | |
84 } // namespace base | |
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