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
|
//===-- 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/CommandOptionArgumentTable.h"
#include "lldb/Interpreter/CommandReturnObject.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;
default:
llvm_unreachable("Unimplemented option");
}
return error;
}
void OptionParsingStarting(ExecutionContext *execution_context) override {
m_all_targets = false;
}
llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
return llvm::ArrayRef(g_statistics_dump_options);
}
bool m_all_targets = false;
};
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();
result.AppendMessageWithFormatv(
"{0:2}", DebuggerStats::ReportStatistics(GetDebugger(), target));
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;
|