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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
//===-- CommandObjectStats.cpp --------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "CommandObjectStats.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Host/OptionParser.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandOptionArgumentTable.h"
#include "lldb/Interpreter/CommandReturnObject.h"
#include "lldb/Interpreter/OptionArgParser.h"
#include "lldb/Target/Target.h"
using namespace lldb;
using namespace lldb_private;
class CommandObjectStatsEnable : public CommandObjectParsed {
public:
CommandObjectStatsEnable(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "enable",
"Enable statistics collection", nullptr,
eCommandProcessMustBePaused) {}
~CommandObjectStatsEnable() override = default;
protected:
void DoExecute(Args &command, CommandReturnObject &result) override {
if (DebuggerStats::GetCollectingStats()) {
result.AppendError("statistics already enabled");
return;
}
DebuggerStats::SetCollectingStats(true);
result.SetStatus(eReturnStatusSuccessFinishResult);
}
};
class CommandObjectStatsDisable : public CommandObjectParsed {
public:
CommandObjectStatsDisable(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "disable",
"Disable statistics collection", nullptr,
eCommandProcessMustBePaused) {}
~CommandObjectStatsDisable() override = default;
protected:
void DoExecute(Args &command, CommandReturnObject &result) override {
if (!DebuggerStats::GetCollectingStats()) {
result.AppendError("need to enable statistics before disabling them");
return;
}
DebuggerStats::SetCollectingStats(false);
result.SetStatus(eReturnStatusSuccessFinishResult);
}
};
#define LLDB_OPTIONS_statistics_dump
#include "CommandOptions.inc"
class CommandObjectStatsDump : public CommandObjectParsed {
class CommandOptions : public Options {
public:
CommandOptions() { OptionParsingStarting(nullptr); }
Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
ExecutionContext *execution_context) override {
Status error;
const int short_option = m_getopt_table[option_idx].val;
switch (short_option) {
case 'a':
m_all_targets = true;
break;
case 's':
m_stats_options.SetSummaryOnly(true);
break;
case 'f':
m_stats_options.SetLoadAllDebugInfo(true);
break;
case 'r':
if (llvm::Expected<bool> bool_or_error =
OptionArgParser::ToBoolean("--targets", option_arg))
m_stats_options.SetIncludeTargets(*bool_or_error);
else
error = Status::FromError(bool_or_error.takeError());
break;
case 'm':
if (llvm::Expected<bool> bool_or_error =
OptionArgParser::ToBoolean("--modules", option_arg))
m_stats_options.SetIncludeModules(*bool_or_error);
else
error = Status::FromError(bool_or_error.takeError());
break;
case 't':
if (llvm::Expected<bool> bool_or_error =
OptionArgParser::ToBoolean("--transcript", option_arg))
m_stats_options.SetIncludeTranscript(*bool_or_error);
else
error = Status::FromError(bool_or_error.takeError());
break;
case 'p':
if (llvm::Expected<bool> bool_or_error =
OptionArgParser::ToBoolean("--plugins", option_arg))
m_stats_options.SetIncludePlugins(*bool_or_error);
else
error = Status::FromError(bool_or_error.takeError());
break;
default:
llvm_unreachable("Unimplemented option");
}
return error;
}
void OptionParsingStarting(ExecutionContext *execution_context) override {
m_all_targets = false;
m_stats_options = StatisticsOptions();
}
llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
return llvm::ArrayRef(g_statistics_dump_options);
}
const StatisticsOptions &GetStatisticsOptions() { return m_stats_options; }
bool m_all_targets = false;
StatisticsOptions m_stats_options = StatisticsOptions();
};
public:
CommandObjectStatsDump(CommandInterpreter &interpreter)
: CommandObjectParsed(
interpreter, "statistics dump", "Dump metrics in JSON format",
"statistics dump [<options>]", eCommandRequiresTarget) {}
~CommandObjectStatsDump() override = default;
Options *GetOptions() override { return &m_options; }
protected:
void DoExecute(Args &command, CommandReturnObject &result) override {
Target *target = nullptr;
if (!m_options.m_all_targets)
target = m_exe_ctx.GetTargetPtr();
// Check if transcript is requested but transcript saving is disabled
const StatisticsOptions &stats_options = m_options.GetStatisticsOptions();
if (stats_options.GetIncludeTranscript() &&
!GetDebugger().GetCommandInterpreter().GetSaveTranscript()) {
result.AppendWarning(
"transcript requested but none was saved. Enable with "
"'settings set interpreter.save-transcript true'");
}
result.AppendMessageWithFormatv(
"{0:2}",
DebuggerStats::ReportStatistics(GetDebugger(), target, stats_options));
result.SetStatus(eReturnStatusSuccessFinishResult);
}
CommandOptions m_options;
};
CommandObjectStats::CommandObjectStats(CommandInterpreter &interpreter)
: CommandObjectMultiword(interpreter, "statistics",
"Print statistics about a debugging session",
"statistics <subcommand> [<subcommand-options>]") {
LoadSubCommand("enable",
CommandObjectSP(new CommandObjectStatsEnable(interpreter)));
LoadSubCommand("disable",
CommandObjectSP(new CommandObjectStatsDisable(interpreter)));
LoadSubCommand("dump",
CommandObjectSP(new CommandObjectStatsDump(interpreter)));
}
CommandObjectStats::~CommandObjectStats() = default;
|
