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Debugger: Optimize cpu_thread::dump_regs()

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Reuse string buffer. Copies and reallocations are expensive with such large strings.
This commit is contained in:
Eladash 2022-06-22 12:00:06 +03:00 committed by Megamouse
parent 794cbd8708
commit 5e01ffdfd8
12 changed files with 35 additions and 41 deletions
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2
Utilities/Thread.cpp
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@ -119,7 +119,7 @@ std::string dump_useful_thread_info()
if (auto cpu = get_current_cpu_thread())
{
result = cpu->dump_all();
cpu->dump_all(result);
}
guard = false;

11
rpcs3/Emu/CPU/CPUThread.cpp
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@ -947,11 +947,11 @@ u32* cpu_thread::get_pc2()
std::shared_ptr<CPUDisAsm> make_disasm(const cpu_thread* cpu);
std::string cpu_thread::dump_all() const
void cpu_thread::dump_all(std::string& ret) const
{
std::string ret = dump_misc();
ret += dump_misc();
ret += '\n';
ret += dump_regs();
dump_regs(ret);
ret += '\n';
ret += dump_callstack();
ret += '\n';
@ -972,13 +972,10 @@ std::string cpu_thread::dump_all() const
ret += '\n';
}
}
return ret;
}
std::string cpu_thread::dump_regs() const
void cpu_thread::dump_regs(std::string&) const
{
return {};
}
std::string cpu_thread::dump_callstack() const

4
rpcs3/Emu/CPU/CPUThread.h
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@ -151,10 +151,10 @@ public:
std::string get_name() const;
// Get CPU state dump (everything)
virtual std::string dump_all() const;
virtual void dump_all(std::string&) const;
// Get CPU register dump
virtual std::string dump_regs() const;
virtual void dump_regs(std::string&) const;
// Get CPU call stack dump
virtual std::string dump_callstack() const;

12
rpcs3/Emu/Cell/PPUThread.cpp
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@ -936,10 +936,8 @@ std::array<u32, 2> op_branch_targets(u32 pc, ppu_opcode_t op)
return res;
}
std::string ppu_thread::dump_regs() const
void ppu_thread::dump_regs(std::string& ret) const
{
std::string ret;
PPUDisAsm dis_asm(cpu_disasm_mode::normal, vm::g_sudo_addr);
for (uint i = 0; i < 32; ++i)
@ -1107,8 +1105,6 @@ std::string ppu_thread::dump_regs() const
*(&ret.back() - (4 - (addr % 16 / 4)) * 9 - (8 - (addr % 128 / 16)) * std::size("[0x00]"sv)) = '*';
}
}
return ret;
}
std::string ppu_thread::dump_callstack() const
@ -1259,9 +1255,9 @@ std::string ppu_thread::dump_misc() const
return ret;
}
std::string ppu_thread::dump_all() const
void ppu_thread::dump_all(std::string& ret) const
{
std::string ret = cpu_thread::dump_all();
cpu_thread::dump_all(ret);
if (!call_history.data.empty())
{
@ -1271,8 +1267,6 @@ std::string ppu_thread::dump_all() const
fmt::append(ret, "%s", call_history);
}
return ret;
}
extern thread_local std::string(*g_tls_log_prefix)();

4
rpcs3/Emu/Cell/PPUThread.h
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@ -130,11 +130,11 @@ public:
static const u32 id_count = 100;
static constexpr std::pair<u32, u32> id_invl_range = {12, 12};
virtual std::string dump_regs() const override;
virtual void dump_regs(std::string&) const override;
virtual std::string dump_callstack() const override;
virtual std::vector<std::pair<u32, u32>> dump_callstack_list() const override;
virtual std::string dump_misc() const override;
virtual std::string dump_all() const override;
virtual void dump_all(std::string&) const override;
virtual void cpu_task() override final;
virtual void cpu_sleep() override;
virtual void cpu_on_stop() override;

6
rpcs3/Emu/Cell/SPUThread.cpp
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@ -1030,10 +1030,8 @@ spu_imm_table_t::spu_imm_table_t()
}
}
std::string spu_thread::dump_regs() const
void spu_thread::dump_regs(std::string& ret) const
{
std::string ret;
const bool floats_only = debugger_float_mode.load();
SPUDisAsm dis_asm(cpu_disasm_mode::normal, ls);
@ -1148,8 +1146,6 @@ std::string spu_thread::dump_regs() const
fmt::append(ret, "[0x%02x] %08x %08x %08x %08x\n", i * sizeof(data[0])
, data[i + 0], data[i + 1], data[i + 2], data[i + 3]);
}
return ret;
}
std::string spu_thread::dump_callstack() const

2
rpcs3/Emu/Cell/SPUThread.h
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@ -677,7 +677,7 @@ enum class spu_type : u32
class spu_thread : public cpu_thread
{
public:
virtual std::string dump_regs() const override;
virtual void dump_regs(std::string&) const override;
virtual std::string dump_callstack() const override;
virtual std::vector<std::pair<u32, u32>> dump_callstack_list() const override;
virtual std::string dump_misc() const override;

12
rpcs3/Emu/RSX/RSXDisAsm.cpp
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@ -161,8 +161,16 @@ void RSXDisAsm::Write(std::string_view str, s32 count, bool is_non_inc, u32 id)
{
case cpu_disasm_mode::interpreter:
{
last_opcode = count >= 0 ? fmt::format("[%08x] (%s%u)", dump_pc, is_non_inc ? "+" : "", count) :
fmt::format("[%08x] (x)", dump_pc);
last_opcode.clear();
if (count >= 0)
{
fmt::append(last_opcode, "[%08x] (%s%u)", dump_pc, is_non_inc ? "+" : "", count);
}
else
{
fmt::append(last_opcode, "[%08x] (x)", dump_pc);
}
auto& res = last_opcode;

14
rpcs3/Emu/RSX/RSXThread.cpp
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@ -2837,10 +2837,8 @@ namespace rsx
void invalid_method(thread*, u32, u32);
std::string thread::dump_regs() const
void thread::dump_regs(std::string& result) const
{
std::string result;
if (ctrl)
{
fmt::append(result, "FIFO: GET=0x%07x, PUT=0x%07x, REF=0x%08x\n", +ctrl->get, +ctrl->put, +ctrl->ref);
@ -2865,21 +2863,19 @@ namespace rsx
case NV4097_ZCULL_SYNC:
continue;
default:
{
if (i >= NV308A_COLOR && i < NV3089_SET_OBJECT)
case NV308A_COLOR:
{
i = NV3089_SET_OBJECT;
continue;
}
default:
{
break;
}
}
fmt::append(result, "[%04x] %s\n", i, ensure(rsx::get_pretty_printing_function(i))(i, method_registers.registers[i]));
}
return result;
}
flags32_t thread::read_barrier(u32 memory_address, u32 memory_range, bool unconditional)

2
rpcs3/Emu/RSX/RSXThread.h
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@ -521,7 +521,7 @@ namespace rsx
static void fifo_wake_delay(u64 div = 1);
u32 get_fifo_cmd() const;
std::string dump_regs() const override;
void dump_regs(std::string&) const override;
void cpu_wait(bs_t<cpu_flag> old) override;
static constexpr u32 id_base = 0x5555'5555; // See get_current_cpu_thread()

4
rpcs3/rpcs3qt/debugger_frame.cpp
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@ -1022,7 +1022,9 @@ void debugger_frame::WritePanels()
loc = m_regs->verticalScrollBar()->value();
hloc = m_regs->horizontalScrollBar()->value();
m_regs->clear();
m_regs->setText(qstr(cpu->dump_regs()));
m_last_reg_state.clear();
cpu->dump_regs(m_last_reg_state);
m_regs->setText(qstr(m_last_reg_state));
m_regs->verticalScrollBar()->setValue(loc);
m_regs->horizontalScrollBar()->setValue(hloc);

1
rpcs3/rpcs3qt/debugger_frame.h
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@ -57,6 +57,7 @@ class debugger_frame : public custom_dock_widget
system_state m_emu_state{};
u32 m_last_pc = -1;
std::vector<char> m_last_query_state;
std::string m_last_reg_state;
u32 m_last_step_over_breakpoint = -1;
u64 m_ui_update_ctr = 0;
u64 m_ui_fast_update_permission_deadline = 0;