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authorYuri Kunde Schlesner <yuriks@yuriks.net>2014-10-28 08:36:00 +0100
committerYuri Kunde Schlesner <yuriks@yuriks.net>2014-12-13 04:59:52 +0100
commit616d87444313db865c60fbeee36ebe5250ef301e (patch)
treefb99bf8bebfdf8c825c5d3e4f01fb4779ceaba68
parentAdd SCOPE_EXIT macro to conveniently execute cleanup actions (diff)
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-rw-r--r--src/citra/citra.cpp16
-rw-r--r--src/citra_qt/main.cpp18
-rw-r--r--src/common/CMakeLists.txt6
-rw-r--r--src/common/common_types.h2
-rw-r--r--src/common/concurrent_ring_buffer.h164
-rw-r--r--src/common/log.h78
-rw-r--r--src/common/log_manager.cpp58
-rw-r--r--src/common/logging/backend.cpp151
-rw-r--r--src/common/logging/backend.h134
-rw-r--r--src/common/logging/log.h115
-rw-r--r--src/common/logging/text_formatter.cpp47
-rw-r--r--src/common/logging/text_formatter.h26
-rw-r--r--src/common/thread.h1
-rw-r--r--src/core/hle/config_mem.cpp1
14 files changed, 743 insertions, 74 deletions
diff --git a/src/citra/citra.cpp b/src/citra/citra.cpp
index f2aeb510e..7c031ce8d 100644
--- a/src/citra/citra.cpp
+++ b/src/citra/citra.cpp
@@ -2,8 +2,12 @@
// Licensed under GPLv2
// Refer to the license.txt file included.
+#include <thread>
+
#include "common/common.h"
-#include "common/log_manager.h"
+#include "common/logging/text_formatter.h"
+#include "common/logging/backend.h"
+#include "common/scope_exit.h"
#include "core/settings.h"
#include "core/system.h"
@@ -15,7 +19,12 @@
/// Application entry point
int __cdecl main(int argc, char **argv) {
- LogManager::Init();
+ std::shared_ptr<Log::Logger> logger = Log::InitGlobalLogger();
+ std::thread logging_thread(Log::TextLoggingLoop, logger);
+ SCOPE_EXIT({
+ logger->Close();
+ logging_thread.join();
+ });
if (argc < 2) {
ERROR_LOG(BOOT, "Failed to load ROM: No ROM specified");
@@ -24,9 +33,6 @@ int __cdecl main(int argc, char **argv) {
Config config;
- if (!Settings::values.enable_log)
- LogManager::Shutdown();
-
std::string boot_filename = argv[1];
EmuWindow_GLFW* emu_window = new EmuWindow_GLFW;
diff --git a/src/citra_qt/main.cpp b/src/citra_qt/main.cpp
index b4e3ad964..2e3025295 100644
--- a/src/citra_qt/main.cpp
+++ b/src/citra_qt/main.cpp
@@ -1,3 +1,5 @@
+#include <thread>
+
#include <QtGui>
#include <QDesktopWidget>
#include <QFileDialog>
@@ -5,8 +7,13 @@
#include "main.hxx"
#include "common/common.h"
-#include "common/platform.h"
#include "common/log_manager.h"
+#include "common/logging/text_formatter.h"
+#include "common/logging/log.h"
+#include "common/logging/backend.h"
+#include "common/platform.h"
+#include "common/scope_exit.h"
+
#if EMU_PLATFORM == PLATFORM_LINUX
#include <unistd.h>
#endif
@@ -33,10 +40,8 @@
#include "version.h"
-
GMainWindow::GMainWindow()
{
- LogManager::Init();
Pica::g_debug_context = Pica::DebugContext::Construct();
@@ -271,6 +276,13 @@ void GMainWindow::closeEvent(QCloseEvent* event)
int __cdecl main(int argc, char* argv[])
{
+ std::shared_ptr<Log::Logger> logger = Log::InitGlobalLogger();
+ std::thread logging_thread(Log::TextLoggingLoop, logger);
+ SCOPE_EXIT({
+ logger->Close();
+ logging_thread.join();
+ });
+
QApplication::setAttribute(Qt::AA_X11InitThreads);
QApplication app(argc, argv);
GMainWindow main_window;
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index 1dbc5db21..7c1d3d1dc 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -11,6 +11,8 @@ set(SRCS
hash.cpp
key_map.cpp
log_manager.cpp
+ logging/text_formatter.cpp
+ logging/backend.cpp
math_util.cpp
mem_arena.cpp
memory_util.cpp
@@ -32,6 +34,7 @@ set(HEADERS
common_funcs.h
common_paths.h
common_types.h
+ concurrent_ring_buffer.h
console_listener.h
cpu_detect.h
debug_interface.h
@@ -45,6 +48,9 @@ set(HEADERS
linear_disk_cache.h
log.h
log_manager.h
+ logging/text_formatter.h
+ logging/log.h
+ logging/backend.h
math_util.h
mem_arena.h
memory_util.h
diff --git a/src/common/common_types.h b/src/common/common_types.h
index fcc8b9a4e..c74c74f0f 100644
--- a/src/common/common_types.h
+++ b/src/common/common_types.h
@@ -41,8 +41,6 @@ typedef std::int64_t s64; ///< 64-bit signed int
typedef float f32; ///< 32-bit floating point
typedef double f64; ///< 64-bit floating point
-#include "common/common.h"
-
/// Union for fast 16-bit type casting
union t16 {
u8 _u8[2]; ///< 8-bit unsigned char(s)
diff --git a/src/common/concurrent_ring_buffer.h b/src/common/concurrent_ring_buffer.h
new file mode 100644
index 000000000..2951d93db
--- /dev/null
+++ b/src/common/concurrent_ring_buffer.h
@@ -0,0 +1,164 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <condition_variable>
+#include <cstdint>
+#include <mutex>
+#include <thread>
+
+#include "common/common.h" // for NonCopyable
+#include "common/log.h" // for _dbg_assert_
+
+namespace Common {
+
+/**
+ * A MPMC (Multiple-Producer Multiple-Consumer) concurrent ring buffer. This data structure permits
+ * multiple threads to push and pop from a queue of bounded size.
+ */
+template <typename T, size_t ArraySize>
+class ConcurrentRingBuffer : private NonCopyable {
+public:
+ /// Value returned by the popping functions when the queue has been closed.
+ static const size_t QUEUE_CLOSED = -1;
+
+ ConcurrentRingBuffer() {}
+
+ ~ConcurrentRingBuffer() {
+ // If for whatever reason the queue wasn't completely drained, destroy the left over items.
+ for (size_t i = reader_index, end = writer_index; i != end; i = (i + 1) % ArraySize) {
+ Data()[i].~T();
+ }
+ }
+
+ /**
+ * Pushes a value to the queue. If the queue is full, this method will block. Does nothing if
+ * the queue is closed.
+ */
+ void Push(T val) {
+ std::unique_lock<std::mutex> lock(mutex);
+ if (closed) {
+ return;
+ }
+
+ // If the buffer is full, wait
+ writer.wait(lock, [&]{
+ return (writer_index + 1) % ArraySize != reader_index;
+ });
+
+ T* item = &Data()[writer_index];
+ new (item) T(std::move(val));
+
+ writer_index = (writer_index + 1) % ArraySize;
+
+ // Wake up waiting readers
+ lock.unlock();
+ reader.notify_one();
+ }
+
+ /**
+ * Pops up to `dest_len` items from the queue, storing them in `dest`. This function will not
+ * block, and might return 0 values if there are no elements in the queue when it is called.
+ *
+ * @return The number of elements stored in `dest`. If the queue has been closed, returns
+ * `QUEUE_CLOSED`.
+ */
+ size_t Pop(T* dest, size_t dest_len) {
+ std::unique_lock<std::mutex> lock(mutex);
+ if (closed && !CanRead()) {
+ return QUEUE_CLOSED;
+ }
+ return PopInternal(dest, dest_len);
+ }
+
+ /**
+ * Pops up to `dest_len` items from the queue, storing them in `dest`. This function will block
+ * if there are no elements in the queue when it is called.
+ *
+ * @return The number of elements stored in `dest`. If the queue has been closed, returns
+ * `QUEUE_CLOSED`.
+ */
+ size_t BlockingPop(T* dest, size_t dest_len) {
+ std::unique_lock<std::mutex> lock(mutex);
+ if (closed && !CanRead()) {
+ return QUEUE_CLOSED;
+ }
+
+ while (!CanRead()) {
+ reader.wait(lock);
+ if (closed && !CanRead()) {
+ return QUEUE_CLOSED;
+ }
+ }
+ _dbg_assert_(Common, CanRead());
+ return PopInternal(dest, dest_len);
+ }
+
+ /**
+ * Closes the queue. After calling this method, `Push` operations won't have any effect, and
+ * `PopMany` and `PopManyBlock` will start returning `QUEUE_CLOSED`. This is intended to allow
+ * a graceful shutdown of all consumers.
+ */
+ void Close() {
+ std::unique_lock<std::mutex> lock(mutex);
+ closed = true;
+ // We need to wake up any reader that are waiting for an item that will never come.
+ lock.unlock();
+ reader.notify_all();
+ }
+
+ /// Returns true if `Close()` has been called.
+ bool IsClosed() const {
+ return closed;
+ }
+
+private:
+ size_t PopInternal(T* dest, size_t dest_len) {
+ size_t output_count = 0;
+ while (output_count < dest_len && CanRead()) {
+ _dbg_assert_(Common, CanRead());
+
+ T* item = &Data()[reader_index];
+ T out_val = std::move(*item);
+ item->~T();
+
+ size_t prev_index = (reader_index + ArraySize - 1) % ArraySize;
+ reader_index = (reader_index + 1) % ArraySize;
+ if (writer_index == prev_index) {
+ writer.notify_one();
+ }
+ dest[output_count++] = std::move(out_val);
+ }
+ return output_count;
+ }
+
+ bool CanRead() const {
+ return reader_index != writer_index;
+ }
+
+ T* Data() {
+ return static_cast<T*>(static_cast<void*>(&storage));
+ }
+
+ /// Storage for entries
+ typename std::aligned_storage<ArraySize * sizeof(T),
+ std::alignment_of<T>::value>::type storage;
+
+ /// Data is valid in the half-open interval [reader, writer). If they are `QUEUE_CLOSED` then the
+ /// queue has been closed.
+ size_t writer_index = 0, reader_index = 0;
+ // True if the queue has been closed.
+ bool closed = false;
+
+ /// Mutex that protects the entire data structure.
+ std::mutex mutex;
+ /// Signaling wakes up reader which is waiting for storage to be non-empty.
+ std::condition_variable reader;
+ /// Signaling wakes up writer which is waiting for storage to be non-full.
+ std::condition_variable writer;
+};
+
+} // namespace
diff --git a/src/common/log.h b/src/common/log.h
index 78f0dae4d..105db9802 100644
--- a/src/common/log.h
+++ b/src/common/log.h
@@ -6,6 +6,7 @@
#include "common/common_funcs.h"
#include "common/msg_handler.h"
+#include "common/logging/log.h"
#ifndef LOGGING
#define LOGGING
@@ -24,45 +25,45 @@ namespace LogTypes
{
enum LOG_TYPE {
- ACTIONREPLAY,
- AUDIO,
- AUDIO_INTERFACE,
+ //ACTIONREPLAY,
+ //AUDIO,
+ //AUDIO_INTERFACE,
BOOT,
- COMMANDPROCESSOR,
+ //COMMANDPROCESSOR,
COMMON,
- CONSOLE,
+ //CONSOLE,
CONFIG,
- DISCIO,
- FILEMON,
- DSPHLE,
- DSPLLE,
- DSP_MAIL,
- DSPINTERFACE,
- DVDINTERFACE,
- DYNA_REC,
- EXPANSIONINTERFACE,
- GDB_STUB,
+ //DISCIO,
+ //FILEMON,
+ //DSPHLE,
+ //DSPLLE,
+ //DSP_MAIL,
+ //DSPINTERFACE,
+ //DVDINTERFACE,
+ //DYNA_REC,
+ //EXPANSIONINTERFACE,
+ //GDB_STUB,
ARM11,
GSP,
OSHLE,
MASTER_LOG,
MEMMAP,
- MEMCARD_MANAGER,
- OSREPORT,
- PAD,
- PROCESSORINTERFACE,
- PIXELENGINE,
- SERIALINTERFACE,
- SP1,
- STREAMINGINTERFACE,
+ //MEMCARD_MANAGER,
+ //OSREPORT,
+ //PAD,
+ //PROCESSORINTERFACE,
+ //PIXELENGINE,
+ //SERIALINTERFACE,
+ //SP1,
+ //STREAMINGINTERFACE,
VIDEO,
- VIDEOINTERFACE,
+ //VIDEOINTERFACE,
LOADER,
FILESYS,
- WII_IPC_DVD,
- WII_IPC_ES,
- WII_IPC_FILEIO,
- WII_IPC_HID,
+ //WII_IPC_DVD,
+ //WII_IPC_ES,
+ //WII_IPC_FILEIO,
+ //WII_IPC_HID,
KERNEL,
SVC,
HLE,
@@ -70,7 +71,7 @@ enum LOG_TYPE {
GPU,
HW,
TIME,
- NETPLAY,
+ //NETPLAY,
GUI,
NUMBER_OF_LOGS // Must be last
@@ -118,12 +119,19 @@ void GenericLog(LOGTYPES_LEVELS level, LOGTYPES_TYPE type, const char*file, int
GenericLog(v, t, __FILE__, __LINE__, __func__, __VA_ARGS__); \
}
-#define OS_LOG(t,...) do { GENERIC_LOG(LogTypes::t, LogTypes::LOS, __VA_ARGS__) } while (0)
-#define ERROR_LOG(t,...) do { GENERIC_LOG(LogTypes::t, LogTypes::LERROR, __VA_ARGS__) } while (0)
-#define WARN_LOG(t,...) do { GENERIC_LOG(LogTypes::t, LogTypes::LWARNING, __VA_ARGS__) } while (0)
-#define NOTICE_LOG(t,...) do { GENERIC_LOG(LogTypes::t, LogTypes::LNOTICE, __VA_ARGS__) } while (0)
-#define INFO_LOG(t,...) do { GENERIC_LOG(LogTypes::t, LogTypes::LINFO, __VA_ARGS__) } while (0)
-#define DEBUG_LOG(t,...) do { GENERIC_LOG(LogTypes::t, LogTypes::LDEBUG, __VA_ARGS__) } while (0)
+//#define OS_LOG(t,...) do { GENERIC_LOG(LogTypes::t, LogTypes::LOS, __VA_ARGS__) } while (0)
+//#define ERROR_LOG(t,...) do { GENERIC_LOG(LogTypes::t, LogTypes::LERROR, __VA_ARGS__) } while (0)
+//#define WARN_LOG(t,...) do { GENERIC_LOG(LogTypes::t, LogTypes::LWARNING, __VA_ARGS__) } while (0)
+//#define NOTICE_LOG(t,...) do { GENERIC_LOG(LogTypes::t, LogTypes::LNOTICE, __VA_ARGS__) } while (0)
+//#define INFO_LOG(t,...) do { GENERIC_LOG(LogTypes::t, LogTypes::LINFO, __VA_ARGS__) } while (0)
+//#define DEBUG_LOG(t,...) do { GENERIC_LOG(LogTypes::t, LogTypes::LDEBUG, __VA_ARGS__) } while (0)
+
+#define OS_LOG(t,...) LOG_INFO(Common, __VA_ARGS__)
+#define ERROR_LOG(t,...) LOG_ERROR(Common_Filesystem, __VA_ARGS__)
+#define WARN_LOG(t,...) LOG_WARNING(Kernel_SVC, __VA_ARGS__)
+#define NOTICE_LOG(t,...) LOG_INFO(Service, __VA_ARGS__)
+#define INFO_LOG(t,...) LOG_INFO(Service_FS, __VA_ARGS__)
+#define DEBUG_LOG(t,...) LOG_DEBUG(Common, __VA_ARGS__)
#if MAX_LOGLEVEL >= DEBUG_LEVEL
#define _dbg_assert_(_t_, _a_) \
diff --git a/src/common/log_manager.cpp b/src/common/log_manager.cpp
index 128c15388..adc17444c 100644
--- a/src/common/log_manager.cpp
+++ b/src/common/log_manager.cpp
@@ -30,49 +30,49 @@ LogManager::LogManager()
m_Log[LogTypes::BOOT] = new LogContainer("BOOT", "Boot");
m_Log[LogTypes::COMMON] = new LogContainer("COMMON", "Common");
m_Log[LogTypes::CONFIG] = new LogContainer("CONFIG", "Configuration");
- m_Log[LogTypes::DISCIO] = new LogContainer("DIO", "Disc IO");
- m_Log[LogTypes::FILEMON] = new LogContainer("FileMon", "File Monitor");
- m_Log[LogTypes::PAD] = new LogContainer("PAD", "Pad");
- m_Log[LogTypes::PIXELENGINE] = new LogContainer("PE", "PixelEngine");
- m_Log[LogTypes::COMMANDPROCESSOR] = new LogContainer("CP", "CommandProc");
- m_Log[LogTypes::VIDEOINTERFACE] = new LogContainer("VI", "VideoInt");
- m_Log[LogTypes::SERIALINTERFACE] = new LogContainer("SI", "SerialInt");
- m_Log[LogTypes::PROCESSORINTERFACE] = new LogContainer("PI", "ProcessorInt");
+ //m_Log[LogTypes::DISCIO] = new LogContainer("DIO", "Disc IO");
+ //m_Log[LogTypes::FILEMON] = new LogContainer("FileMon", "File Monitor");
+ //m_Log[LogTypes::PAD] = new LogContainer("PAD", "Pad");
+ //m_Log[LogTypes::PIXELENGINE] = new LogContainer("PE", "PixelEngine");
+ //m_Log[LogTypes::COMMANDPROCESSOR] = new LogContainer("CP", "CommandProc");
+ //m_Log[LogTypes::VIDEOINTERFACE] = new LogContainer("VI", "VideoInt");
+ //m_Log[LogTypes::SERIALINTERFACE] = new LogContainer("SI", "SerialInt");
+ //m_Log[LogTypes::PROCESSORINTERFACE] = new LogContainer("PI", "ProcessorInt");
m_Log[LogTypes::MEMMAP] = new LogContainer("MI", "MI & memmap");
- m_Log[LogTypes::SP1] = new LogContainer("SP1", "Serial Port 1");
- m_Log[LogTypes::STREAMINGINTERFACE] = new LogContainer("Stream", "StreamingInt");
- m_Log[LogTypes::DSPINTERFACE] = new LogContainer("DSP", "DSPInterface");
- m_Log[LogTypes::DVDINTERFACE] = new LogContainer("DVD", "DVDInterface");
+ //m_Log[LogTypes::SP1] = new LogContainer("SP1", "Serial Port 1");
+ //m_Log[LogTypes::STREAMINGINTERFACE] = new LogContainer("Stream", "StreamingInt");
+ //m_Log[LogTypes::DSPINTERFACE] = new LogContainer("DSP", "DSPInterface");
+ //m_Log[LogTypes::DVDINTERFACE] = new LogContainer("DVD", "DVDInterface");
m_Log[LogTypes::GSP] = new LogContainer("GSP", "GSP");
- m_Log[LogTypes::EXPANSIONINTERFACE] = new LogContainer("EXI", "ExpansionInt");
- m_Log[LogTypes::GDB_STUB] = new LogContainer("GDB_STUB", "GDB Stub");
- m_Log[LogTypes::AUDIO_INTERFACE] = new LogContainer("AI", "AudioInt");
+ //m_Log[LogTypes::EXPANSIONINTERFACE] = new LogContainer("EXI", "ExpansionInt");
+ //m_Log[LogTypes::GDB_STUB] = new LogContainer("GDB_STUB", "GDB Stub");
+ //m_Log[LogTypes::AUDIO_INTERFACE] = new LogContainer("AI", "AudioInt");
m_Log[LogTypes::ARM11] = new LogContainer("ARM11", "ARM11");
m_Log[LogTypes::OSHLE] = new LogContainer("HLE", "HLE");
- m_Log[LogTypes::DSPHLE] = new LogContainer("DSPHLE", "DSP HLE");
- m_Log[LogTypes::DSPLLE] = new LogContainer("DSPLLE", "DSP LLE");
- m_Log[LogTypes::DSP_MAIL] = new LogContainer("DSPMails", "DSP Mails");
+ //m_Log[LogTypes::DSPHLE] = new LogContainer("DSPHLE", "DSP HLE");
+ //m_Log[LogTypes::DSPLLE] = new LogContainer("DSPLLE", "DSP LLE");
+ //m_Log[LogTypes::DSP_MAIL] = new LogContainer("DSPMails", "DSP Mails");
m_Log[LogTypes::VIDEO] = new LogContainer("Video", "Video Backend");
- m_Log[LogTypes::AUDIO] = new LogContainer("Audio", "Audio Emulator");
- m_Log[LogTypes::DYNA_REC] = new LogContainer("JIT", "JIT");
- m_Log[LogTypes::CONSOLE] = new LogContainer("CONSOLE", "Dolphin Console");
- m_Log[LogTypes::OSREPORT] = new LogContainer("OSREPORT", "OSReport");
+ //m_Log[LogTypes::AUDIO] = new LogContainer("Audio", "Audio Emulator");
+ //m_Log[LogTypes::DYNA_REC] = new LogContainer("JIT", "JIT");
+ //m_Log[LogTypes::CONSOLE] = new LogContainer("CONSOLE", "Dolphin Console");
+ //m_Log[LogTypes::OSREPORT] = new LogContainer("OSREPORT", "OSReport");
m_Log[LogTypes::TIME] = new LogContainer("Time", "Core Timing");
m_Log[LogTypes::LOADER] = new LogContainer("Loader", "Loader");
m_Log[LogTypes::FILESYS] = new LogContainer("FileSys", "File System");
- m_Log[LogTypes::WII_IPC_HID] = new LogContainer("WII_IPC_HID", "WII IPC HID");
+ //m_Log[LogTypes::WII_IPC_HID] = new LogContainer("WII_IPC_HID", "WII IPC HID");
m_Log[LogTypes::KERNEL] = new LogContainer("KERNEL", "KERNEL HLE");
- m_Log[LogTypes::WII_IPC_DVD] = new LogContainer("WII_IPC_DVD", "WII IPC DVD");
- m_Log[LogTypes::WII_IPC_ES] = new LogContainer("WII_IPC_ES", "WII IPC ES");
- m_Log[LogTypes::WII_IPC_FILEIO] = new LogContainer("WII_IPC_FILEIO", "WII IPC FILEIO");
+ //m_Log[LogTypes::WII_IPC_DVD] = new LogContainer("WII_IPC_DVD", "WII IPC DVD");
+ //m_Log[LogTypes::WII_IPC_ES] = new LogContainer("WII_IPC_ES", "WII IPC ES");
+ //m_Log[LogTypes::WII_IPC_FILEIO] = new LogContainer("WII_IPC_FILEIO", "WII IPC FILEIO");
m_Log[LogTypes::RENDER] = new LogContainer("RENDER", "RENDER");
m_Log[LogTypes::GPU] = new LogContainer("GPU", "GPU");
m_Log[LogTypes::SVC] = new LogContainer("SVC", "Supervisor Call HLE");
m_Log[LogTypes::HLE] = new LogContainer("HLE", "High Level Emulation");
m_Log[LogTypes::HW] = new LogContainer("HW", "Hardware");
- m_Log[LogTypes::ACTIONREPLAY] = new LogContainer("ActionReplay", "ActionReplay");
- m_Log[LogTypes::MEMCARD_MANAGER] = new LogContainer("MemCard Manager", "MemCard Manager");
- m_Log[LogTypes::NETPLAY] = new LogContainer("NETPLAY", "Netplay");
+ //m_Log[LogTypes::ACTIONREPLAY] = new LogContainer("ActionReplay", "ActionReplay");
+ //m_Log[LogTypes::MEMCARD_MANAGER] = new LogContainer("MemCard Manager", "MemCard Manager");
+ //m_Log[LogTypes::NETPLAY] = new LogContainer("NETPLAY", "Netplay");
m_Log[LogTypes::GUI] = new LogContainer("GUI", "GUI");
m_fileLog = new FileLogListener(FileUtil::GetUserPath(F_MAINLOG_IDX).c_str());
diff --git a/src/common/logging/backend.cpp b/src/common/logging/backend.cpp
new file mode 100644
index 000000000..e79b84604
--- /dev/null
+++ b/src/common/logging/backend.cpp
@@ -0,0 +1,151 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include <algorithm>
+
+#include "common/log.h" // For _dbg_assert_
+
+#include "common/logging/backend.h"
+#include "common/logging/log.h"
+#include "common/logging/text_formatter.h"
+
+namespace Log {
+
+static std::shared_ptr<Logger> global_logger;
+
+/// Macro listing all log classes. Code should define CLS and SUB as desired before invoking this.
+#define ALL_LOG_CLASSES() \
+ CLS(Log) \
+ CLS(Common) \
+ SUB(Common, Filesystem) \
+ SUB(Common, Memory) \
+ CLS(Core) \
+ SUB(Core, ARM11) \
+ CLS(Config) \
+ CLS(Debug) \
+ SUB(Debug, Emulated) \
+ SUB(Debug, GPU) \
+ SUB(Debug, Breakpoint) \
+ CLS(Kernel) \
+ SUB(Kernel, SVC) \
+ CLS(Service) \
+ SUB(Service, SRV) \
+ SUB(Service, FS) \
+ SUB(Service, APT) \
+ SUB(Service, GSP) \
+ SUB(Service, AC) \
+ SUB(Service, PTM) \
+ SUB(Service, CFG) \
+ SUB(Service, DSP) \
+ SUB(Service, HID) \
+ CLS(HW) \
+ SUB(HW, Memory) \
+ SUB(HW, GPU) \
+ CLS(Frontend) \
+ CLS(Render) \
+ SUB(Render, Software) \
+ SUB(Render, OpenGL) \
+ CLS(Loader)
+
+Logger::Logger() {
+ // Register logging classes so that they can be queried at runtime
+ size_t parent_class;
+ all_classes.reserve((size_t)Class::Count);
+
+#define CLS(x) \
+ all_classes.push_back(Class::x); \
+ parent_class = all_classes.size() - 1;
+#define SUB(x, y) \
+ all_classes.push_back(Class::x##_##y); \
+ all_classes[parent_class].num_children += 1;
+
+ ALL_LOG_CLASSES()
+#undef CLS
+#undef SUB
+
+ // Ensures that ALL_LOG_CLASSES isn't missing any entries.
+ _dbg_assert_(Log, all_classes.size() == (size_t)Class::Count);
+}
+
+// GetClassName is a macro defined by Windows.h, grrr...
+const char* Logger::GetLogClassName(Class log_class) {
+ switch (log_class) {
+#define CLS(x) case Class::x: return #x;
+#define SUB(x, y) case Class::x##_##y: return #x "." #y;
+ ALL_LOG_CLASSES()
+#undef CLS
+#undef SUB
+ }
+ return "Unknown";
+}
+
+const char* Logger::GetLevelName(Level log_level) {
+#define LVL(x) case Level::x: return #x
+ switch (log_level) {
+ LVL(Trace);
+ LVL(Debug);
+ LVL(Info);
+ LVL(Warning);
+ LVL(Error);
+ LVL(Critical);
+ }
+ return "Unknown";
+#undef LVL
+}
+
+void Logger::LogMessage(Entry entry) {
+ ring_buffer.Push(std::move(entry));
+}
+
+size_t Logger::GetEntries(Entry* out_buffer, size_t buffer_len) {
+ return ring_buffer.BlockingPop(out_buffer, buffer_len);
+}
+
+std::shared_ptr<Logger> InitGlobalLogger() {
+ global_logger = std::make_shared<Logger>();
+ return global_logger;
+}
+
+Entry CreateEntry(Class log_class, Level log_level,
+ const char* filename, unsigned int line_nr, const char* function,
+ const char* format, va_list args) {
+ using std::chrono::steady_clock;
+ using std::chrono::duration_cast;
+
+ static steady_clock::time_point time_origin = steady_clock::now();
+
+ std::array<char, 4 * 1024> formatting_buffer;
+
+ Entry entry;
+ entry.timestamp = duration_cast<std::chrono::microseconds>(steady_clock::now() - time_origin);
+ entry.log_class = log_class;
+ entry.log_level = log_level;
+
+ snprintf(formatting_buffer.data(), formatting_buffer.size(), "%s:%s:%u", filename, function, line_nr);
+ entry.location = std::string(formatting_buffer.data());
+
+ vsnprintf(formatting_buffer.data(), formatting_buffer.size(), format, args);
+ entry.message = std::string(formatting_buffer.data());
+
+ return std::move(entry);
+}
+
+void LogMessage(Class log_class, Level log_level,
+ const char* filename, unsigned int line_nr, const char* function,
+ const char* format, ...) {
+ va_list args;
+ va_start(args, format);
+ Entry entry = CreateEntry(log_class, log_level,
+ filename, line_nr, function, format, args);
+ va_end(args);
+
+ if (global_logger != nullptr && !global_logger->IsClosed()) {
+ global_logger->LogMessage(std::move(entry));
+ } else {
+ // Fall back to directly printing to stderr
+ PrintMessage(entry);
+ }
+}
+
+}
diff --git a/src/common/logging/backend.h b/src/common/logging/backend.h
new file mode 100644
index 000000000..ae270efe8
--- /dev/null
+++ b/src/common/logging/backend.h
@@ -0,0 +1,134 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <cstdarg>
+#include <memory>
+#include <vector>
+
+#include "common/concurrent_ring_buffer.h"
+
+#include "common/logging/log.h"
+
+namespace Log {
+
+/**
+ * A log entry. Log entries are store in a structured format to permit more varied output
+ * formatting on different frontends, as well as facilitating filtering and aggregation.
+ */
+struct Entry {
+ std::chrono::microseconds timestamp;
+ Class log_class;
+ Level log_level;
+ std::string location;
+ std::string message;
+
+ Entry() = default;
+
+ // TODO(yuriks) Use defaulted move constructors once MSVC supports them
+#define MOVE(member) member(std::move(o.member))
+ Entry(Entry&& o)
+ : MOVE(timestamp), MOVE(log_class), MOVE(log_level),
+ MOVE(location), MOVE(message)
+ {}
+#undef MOVE
+
+ Entry& operator=(const Entry&& o) {
+#define MOVE(member) member = std::move(o.member)
+ MOVE(timestamp);
+ MOVE(log_class);
+ MOVE(log_level);
+ MOVE(location);
+ MOVE(message);
+#undef MOVE
+ return *this;
+ }
+};
+
+struct ClassInfo {
+ Class log_class;
+
+ /**
+ * Total number of (direct or indirect) sub classes this class has. If any, they follow in
+ * sequence after this class in the class list.
+ */
+ unsigned int num_children = 0;
+
+ ClassInfo(Class log_class) : log_class(log_class) {}
+};
+
+/**
+ * Logging management class. This class has the dual purpose of acting as an exchange point between
+ * the logging clients and the log outputter, as well as containing reflection info about available
+ * log classes.
+ */
+class Logger {
+private:
+ using Buffer = Common::ConcurrentRingBuffer<Entry, 16 * 1024 / sizeof(Entry)>;
+
+public:
+ static const size_t QUEUE_CLOSED = Buffer::QUEUE_CLOSED;
+
+ Logger();
+
+ /**
+ * Returns a list of all vector classes and subclasses. The sequence returned is a pre-order of
+ * classes and subclasses, which together with the `num_children` field in ClassInfo, allows
+ * you to recover the hierarchy.
+ */
+ const std::vector<ClassInfo>& GetClasses() const { return all_classes; }
+
+ /**
+ * Returns the name of the passed log class as a C-string. Subclasses are separated by periods
+ * instead of underscores as in the enumeration.
+ */
+ static const char* GetLogClassName(Class log_class);
+
+ /**
+ * Returns the name of the passed log level as a C-string.
+ */
+ static const char* GetLevelName(Level log_level);
+
+ /**
+ * Appends a messages to the log buffer.
+ * @note This function is thread safe.
+ */
+ void LogMessage(Entry entry);
+
+ /**
+ * Retrieves a batch of messages from the log buffer, blocking until they are available.
+ * @note This function is thread safe.
+ *
+ * @param out_buffer Destination buffer that will receive the log entries.
+ * @param buffer_len The maximum size of `out_buffer`.
+ * @return The number of entries stored. In case the logger is shutting down, `QUEUE_CLOSED` is
+ * returned, no entries are stored and the logger should shutdown.
+ */
+ size_t GetEntries(Entry* out_buffer, size_t buffer_len);
+
+ /**
+ * Initiates a shutdown of the logger. This will indicate to log output clients that they
+ * should shutdown.
+ */
+ void Close() { ring_buffer.Close(); }
+
+ /**
+ * Returns true if Close() has already been called on the Logger.
+ */
+ bool IsClosed() const { return ring_buffer.IsClosed(); }
+
+private:
+ Buffer ring_buffer;
+ std::vector<ClassInfo> all_classes;
+};
+
+/// Creates a log entry by formatting the given source location, and message.
+Entry CreateEntry(Class log_class, Level log_level,
+ const char* filename, unsigned int line_nr, const char* function,
+ const char* format, va_list args);
+/// Initializes the default Logger.
+std::shared_ptr<Logger> InitGlobalLogger();
+
+}
diff --git a/src/common/logging/log.h b/src/common/logging/log.h
new file mode 100644
index 000000000..1eec34fbb
--- /dev/null
+++ b/src/common/logging/log.h
@@ -0,0 +1,115 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <cassert>
+#include <chrono>
+#include <string>
+
+#include "common/common_types.h"
+
+namespace Log {
+
+/// Specifies the severity or level of detail of the log message.
+enum class Level : u8 {
+ Trace, ///< Extremely detailed and repetitive debugging information that is likely to
+ /// pollute logs.
+ Debug, ///< Less detailed debugging information.
+ Info, ///< Status information from important points during execution.
+ Warning, ///< Minor or potential problems found during execution of a task.
+ Error, ///< Major problems found during execution of a task that prevent it from being
+ /// completed.
+ Critical, ///< Major problems during execution that threathen the stability of the entire
+ /// application.
+
+ Count ///< Total number of logging levels
+};
+
+typedef u8 ClassType;
+
+/**
+ * Specifies the sub-system that generated the log message.
+ *
+ * @note If you add a new entry here, also add a corresponding one to `ALL_LOG_CLASSES` in log.cpp.
+ */
+enum class Class : ClassType {
+ Log, ///< Messages about the log system itself
+ Common, ///< Library routines
+ Common_Filesystem, ///< Filesystem interface library
+ Common_Memory, ///< Memory mapping and management functions
+ Core, ///< LLE emulation core
+ Core_ARM11, ///< ARM11 CPU core
+ Config, ///< Emulator configuration (including commandline)
+ Debug, ///< Debugging tools
+ Debug_Emulated, ///< Debug messages from the emulated programs
+ Debug_GPU, ///< GPU debugging tools
+ Debug_Breakpoint, ///< Logging breakpoints and watchpoints
+ Kernel, ///< The HLE implementation of the CTR kernel
+ Kernel_SVC, ///< Kernel system calls
+ Service, ///< HLE implementation of system services. Each major service
+ /// should have its own subclass.
+ Service_SRV, ///< The SRV (Service Directory) implementation
+ Service_FS, ///< The FS (Filesystem) service implementation
+ Service_APT, ///< The APT (Applets) service
+ Service_GSP, ///< The GSP (GPU control) service
+ Service_AC, ///< The AC (WiFi status) service
+ Service_PTM, ///< The PTM (Power status & misc.) service
+ Service_CFG, ///< The CFG (Configuration) service
+ Service_DSP, ///< The DSP (DSP control) service
+ Service_HID, ///< The HID (User input) service
+ HW, ///< Low-level hardware emulation
+ HW_Memory, ///< Memory-map and address translation
+ HW_GPU, ///< GPU control emulation
+ Frontend, ///< Emulator UI
+ Render, ///< Emulator video output and hardware acceleration
+ Render_Software, ///< Software renderer backend
+ Render_OpenGL, ///< OpenGL backend
+ Loader, ///< ROM loader
+
+ Count ///< Total number of logging classes
+};
+
+/**
+ * Level below which messages are simply discarded without buffering regardless of the display
+ * settings.
+ */
+const Level MINIMUM_LEVEL =
+#ifdef _DEBUG
+ Level::Trace;
+#else
+ Level::Debug;
+#endif
+
+/**
+ * Logs a message to the global logger. This proxy exists to avoid exposing the details of the
+ * Logger class, including the ConcurrentRingBuffer template, to all files that desire to log
+ * messages, reducing unecessary recompilations.
+ */
+void LogMessage(Class log_class, Level log_level,
+ const char* filename, unsigned int line_nr, const char* function,
+#ifdef _MSC_VER
+ _Printf_format_string_
+#endif
+ const char* format, ...)
+#ifdef __GNUC__
+ __attribute__((format(printf, 6, 7)))
+#endif
+ ;
+
+} // namespace Log
+
+#define LOG_GENERIC(log_class, log_level, ...) \
+ do { \
+ if (::Log::Level::log_level >= ::Log::MINIMUM_LEVEL) \
+ ::Log::LogMessage(::Log::Class::log_class, ::Log::Level::log_level, \
+ __FILE__, __LINE__, __func__, __VA_ARGS__); \
+ } while (0)
+
+#define LOG_TRACE( log_class, ...) LOG_GENERIC(log_class, Trace, __VA_ARGS__)
+#define LOG_DEBUG( log_class, ...) LOG_GENERIC(log_class, Debug, __VA_ARGS__)
+#define LOG_INFO( log_class, ...) LOG_GENERIC(log_class, Info, __VA_ARGS__)
+#define LOG_WARNING( log_class, ...) LOG_GENERIC(log_class, Warning, __VA_ARGS__)
+#define LOG_ERROR( log_class, ...) LOG_GENERIC(log_class, Error, __VA_ARGS__)
+#define LOG_CRITICAL(log_class, ...) LOG_GENERIC(log_class, Critical, __VA_ARGS__)
diff --git a/src/common/logging/text_formatter.cpp b/src/common/logging/text_formatter.cpp
new file mode 100644
index 000000000..01c355bb6
--- /dev/null
+++ b/src/common/logging/text_formatter.cpp
@@ -0,0 +1,47 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include <array>
+#include <cstdio>
+
+#include "common/logging/backend.h"
+#include "common/logging/log.h"
+#include "common/logging/text_formatter.h"
+
+namespace Log {
+
+void FormatLogMessage(const Entry& entry, char* out_text, size_t text_len) {
+ unsigned int time_seconds = static_cast<unsigned int>(entry.timestamp.count() / 1000000);
+ unsigned int time_fractional = static_cast<unsigned int>(entry.timestamp.count() % 1000000);
+
+ const char* class_name = Logger::GetLogClassName(entry.log_class);
+ const char* level_name = Logger::GetLevelName(entry.log_level);
+
+ snprintf(out_text, text_len, "[%4u.%06u] %s <%s> %s: %s",
+ time_seconds, time_fractional, class_name, level_name,
+ entry.location.c_str(), entry.message.c_str());
+}
+
+void PrintMessage(const Entry& entry) {
+ std::array<char, 4 * 1024> format_buffer;
+ FormatLogMessage(entry, format_buffer.data(), format_buffer.size());
+ fputs(format_buffer.data(), stderr);
+ fputc('\n', stderr);
+}
+
+void TextLoggingLoop(std::shared_ptr<Logger> logger) {
+ std::array<Entry, 256> entry_buffer;
+
+ while (true) {
+ size_t num_entries = logger->GetEntries(entry_buffer.data(), entry_buffer.size());
+ if (num_entries == Logger::QUEUE_CLOSED) {
+ break;
+ }
+ for (size_t i = 0; i < num_entries; ++i) {
+ PrintMessage(entry_buffer[i]);
+ }
+ }
+}
+
+}
diff --git a/src/common/logging/text_formatter.h b/src/common/logging/text_formatter.h
new file mode 100644
index 000000000..6c2a6f1ea
--- /dev/null
+++ b/src/common/logging/text_formatter.h
@@ -0,0 +1,26 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <cstddef>
+#include <memory>
+
+namespace Log {
+
+class Logger;
+struct Entry;
+
+/// Formats a log entry into the provided text buffer.
+void FormatLogMessage(const Entry& entry, char* out_text, size_t text_len);
+/// Formats and prints a log entry to stderr.
+void PrintMessage(const Entry& entry);
+
+/**
+ * Logging loop that repeatedly reads messages from the provided logger and prints them to the
+ * console. It is the baseline barebones log outputter.
+ */
+void TextLoggingLoop(std::shared_ptr<Logger> logger);
+
+}
diff --git a/src/common/thread.h b/src/common/thread.h
index be9b5cbe2..8c36d3f07 100644
--- a/src/common/thread.h
+++ b/src/common/thread.h
@@ -21,6 +21,7 @@
//for gettimeofday and struct time(spec|val)
#include <time.h>
#include <sys/time.h>
+#include <unistd.h>
#endif
namespace Common
diff --git a/src/core/hle/config_mem.cpp b/src/core/hle/config_mem.cpp
index c7cf5b1d3..1c9b89227 100644
--- a/src/core/hle/config_mem.cpp
+++ b/src/core/hle/config_mem.cpp
@@ -3,6 +3,7 @@
// Refer to the license.txt file included.
#include "common/common_types.h"
+#include "common/log.h"
#include "core/hle/config_mem.h"