CommandObjectStats.cpp
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//===-- 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/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:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target &target = GetSelectedOrDummyTarget();
if (target.GetCollectingStats()) {
result.AppendError("statistics already enabled");
result.SetStatus(eReturnStatusFailed);
return false;
}
target.SetCollectingStats(true);
result.SetStatus(eReturnStatusSuccessFinishResult);
return true;
}
};
class CommandObjectStatsDisable : public CommandObjectParsed {
public:
CommandObjectStatsDisable(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "disable",
"Disable statistics collection", nullptr,
eCommandProcessMustBePaused) {}
~CommandObjectStatsDisable() override = default;
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target &target = GetSelectedOrDummyTarget();
if (!target.GetCollectingStats()) {
result.AppendError("need to enable statistics before disabling them");
result.SetStatus(eReturnStatusFailed);
return false;
}
target.SetCollectingStats(false);
result.SetStatus(eReturnStatusSuccessFinishResult);
return true;
}
};
class CommandObjectStatsDump : public CommandObjectParsed {
public:
CommandObjectStatsDump(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "dump", "Dump statistics results",
nullptr, eCommandProcessMustBePaused) {}
~CommandObjectStatsDump() override = default;
protected:
bool DoExecute(Args &command, CommandReturnObject &result) override {
Target &target = GetSelectedOrDummyTarget();
uint32_t i = 0;
for (auto &stat : target.GetStatistics()) {
result.AppendMessageWithFormat(
"%s : %u\n",
lldb_private::GetStatDescription(
static_cast<lldb_private::StatisticKind>(i))
.c_str(),
stat);
i += 1;
}
result.SetStatus(eReturnStatusSuccessFinishResult);
return true;
}
};
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;