Menu
▾
▴
Tree [7379f2] master / History
| File | Date | Author | Commit |
|---|---|---|---|
| api | 2016-08-29 |
CyrIng
|
[7379f2] R 2.1.66 GUI: fixed a compiler warning. |
| cli | 2015-05-16 |
Cyril Courtiat
|
[5670dd] R 2.1.52: Bit set calculator. / Web UI |
| gui | 2016-08-29 |
CyrIng
|
[7379f2] R 2.1.66 GUI: fixed a compiler warning. |
| svr | 2015-11-14 |
CyrIng
|
[f8ff4b] R 2.1.58: Caches topology. |
| Makefile | 2015-01-18 |
Cyril Courtiat
|
[9f9be3] Fixed Makefile for Arch AUR. |
| README | 2015-12-28 |
CyrIng
|
[7dc955] R 2.1.65 GUI: added a screenshot feature. |
| README.md | 2015-12-28 |
CyrIng
|
[cc3493] R 2.1.65 |
Read Me
/*
* XFreq by CyrIng
*
*
* [PURPOSE]
*
* XFreq provides some Widgets to display the frequency (including turbo boost), the temperature, C-States and other features of the Intel Core i7, i5 processors.
* It also works with Core 2 architectures.
*
* Copyright (C) 2013-2015 CYRIL INGENIERIE
* http://blog.cyring.fr
*
* Licenses: GPL2
*
*
*
* [BUILD]
*
* 1- download the source code into a working directory
*
* Makefile
* api/Makefile
* api/xfreq-api.c
* api/xfreq-api.h
* api/xfreq-smbios.c
* api/xfreq-smbios.h
* api/xfreq-types.h
* cli/Makefile
* cli/xfreq-cli.c
* cli/xfreq-cli.h
* gui/Makefile
* gui/xfreq-gui.c
* gui/xfreq-gui.h
* svr/Makefile
* svr/xfreq-intel.c
* svr/xfreq-intel.h
*
*
* 2- compile the source code
*
* make -j 1
*
*
* 3- the following output will be displayed
*
* make -C api
* make[1]: Entering directory './api'
* cc -D`uname -s` -Wall -x c -c xfreq-api.c -I . -o ./obj/xfreq-api.o
* cc -D`uname -s` -Wall -x c -c xfreq-smbios.c -I . -o ./obj/xfreq-smbios.o
* make[1]: Leaving directory './api'
* make -C svr
* make[1]: Entering directory './svr'
* cc -D`uname -s` -Wall -pthread -x c -c xfreq-intel.c -I ../api -o ./obj/xfreq-intel.o
* cc ./obj/xfreq-intel.o -lpthread -lrt ../api/obj/xfreq-api.o ../api/obj/xfreq-smbios.o -o ./bin/xfreq-intel
* make[1]: Leaving directory './svr'
* make -C gui
* make[1]: Entering directory './gui'
* cc -D`uname -s` -Wall -pthread -x c -c xfreq-gui.c -I ../api -o ./obj/xfreq-gui.o
* cc ./obj/xfreq-gui.o -lX11 -lpthread -lrt ../api/obj/xfreq-api.o -o ./bin/xfreq-gui
* make[1]: Leaving directory './gui'
* make -C cli
* make[1]: Entering directory './cli'
* cc -D`uname -s` -Wall -pthread -x c -c xfreq-cli.c -I ../api -o ./obj/xfreq-cli.o
* cc ./obj/xfreq-cli.o -lpthread -lrt ../api/obj/xfreq-api.o -o ./bin/xfreq-cli
* make[1]: Leaving directory './cli'
*
*
* 4- depending of your packages distribution, the libraries required to compile the source code are the following
*
* XLIB developer (libX11)
*
* POSIX threads (pthreads)
*
*
*
* [RUN]
*
* 1- the following kernel modules and file systems are prerequisites to run XFreq
*
* +---------------------------+-----------+--------------------------------------+
* | msr.ko | mandatory | model specific registers driver (1) |
* +---------------------------+-----------+--------------------------------------+
* | dmi-sysfs.ko | optional | DMI tables driver (2) |
* +---------------------------+-----------+--------------------------------------+
* | acpi-cpufreq.ko | optional | ACPI Processor P-States driver |
* +---------------------------+-----------+--------------------------------------+
* | /proc/sched_debug | optional | reference: kernel/sched/debug.c |
* +---------------------------+-----------+--------------------------------------+
* | /proc/<pid>/* | optional | reference: linux/fs/proc/base.c |
* +---------------------------+-----------+--------------------------------------+
* | iopl | optional | change I/O privilege level |
* +---------------------------+-----------+--------------------------------------+
*
*
* 2- as root, start the XFreq server.
*
* ./svr/bin/xfreq-intel
*
*
* 3- as a regular user, start one of the XFreq clients (GUI, console)
*
* ./gui/bin/xfreq-gui
*
* ./cli/bin/xfreq-cli
*
*
*
* [TESTBED]
*
* +-------------------+---------------------------+--------+-------+---------+
* | Intel Processors | System [Desktop/Laptop] | Status | Date | Release |
* +-------------------+---------------------------+--------+-------+---------+
* | Core i7-920 | Asus Rampage II Gene [D] | OK |Nightly| Nightly |
* +-------------------+---------------------------+--------+-------+---------+
* | Core 2 Duo T5500 | Acer Aspire 5633 [L] | OK | 04/30 | 0.25-2 |
* +-------------------+---------------------------+--------+-------+---------+
* + Core 2 Quad Q8200 | Unknown [L] | OK | 05/02 + 0.25-2 |
* +-------------------+---------------------------+--------+-------+---------+
*
*
*
* [ISSUES]
*
* + The temperature thresholds MSR does not return any value.
* Need to investigate ACPI.
*
* + Fast-Strings reported as not available in CPUID but enabled in MSR.
*
* + The RAM timings are wrong when running with FreeBSD.
*
*
*
* [TODO]
*
* Hardware
* ----------
*
* + power energy performance counters : Postponed.
*
* + kernel module : to reduce cpu usage near to 0.01% : Merge with CoreFreq Linux driver.
*
* + memory fetch : to remove dependancies with the dmi_sysfs & msr Linux modules : Canceled.
* using a R/O mmap to "/dev/mem".
* rather use the msr assembler instruction.
*
* + GPU sensors.
* compile with the NVIDIA (first), the AMD & Intel frameworks (seconds) : Postponed.
*
* + scripting, editor, push alarms : write user defined bit values in MSR : Terminated.
*
*
* Graphical
* -----------
*
* + power energy Widget using a slider to:
* select a Policy Preference in IA32_ENERGY_PERF_BIAS , MSR_MISC_PWR_MGMT(0x1aa),
* set On-Demand Clock Modulation in IA32_CLOCK_MODULATION(0x19a) (duplicated for each Thread),
* enable / disable C1E in MSR_POWER_CTL(0x1fc): Done,
* C-State auto demotion with MSR_PKG_CST_CONFIG_CONTROL(0xe2): Done.
* + some button-switchs & sliders to enable/disable/set the PKG/Core features in the System Info Widget.
* + resize footer separator w/ MDI : Postponed.
*
*
* Source code
* -------------
* + provide some configure and install scripts,
* ArchLinux PKGBUILD : Done.
* FreeBSD port: Partial.
*
*
* [HISTORY]
*
* R 2.1.65 : 12/28/2015
* - GUI: added the screenshot of the focused widget w/ [Ctrl]+[s]
* and the command argument '-S' to specify the output path.
*
* R 2.1.64 : 12/27/2015
* - GUI: Fix colors mgnt.
*
* R 2.1.63 : 12/25/2015
* - GUI: Font mgnt improved.
*
* R 2.1.62 : 12/23/2015
* - Bug fixes
*
* R 2.1.61 : 12/21/2015
* - GUI: improved management of colors and fonts.
*
* R 2.1.60 : 12/11/2015
* - GUI: geometry is able of such position -0-0
*
* R 2.1.59 : 11/28/2015
* - GUI: improved the geometry option.
*
* R 2.1.58 : 11/14/2015
* - Caches topology.
*
* R 2.1.57 : 10/17/2015
* - GUI: fixed warning [-Wlogical-not-parentheses]
*
* R 2.1.55 : 09/13/2015
* - Core2/Conroe/Yonah architecture added into database.
*
* R 2.1.54 : 09/12/2015
* - Architectures added into database:
* Atom_Airmont, Atom_Goldmont, Atom_Sofia, Atom_Merrifield, Atom_Moorefield,
* Broadwell, Broadwell_EP, Broadwell_H, Broadwell_EX,
* Skylake_UY, Skylake_S, Skylake_E
* - Default Atom base clock speed set to 100 MHz
*
* R 2.1.53-a: 07/13/2015
* - Fixed C7 average.
* - Fixed offline Cores in the TEMPS widget.
* - Left aligned topology list in the SYSINFO widget.
*
* R 2.1.52: 05/16/2015
* - Bit set calculator.
*
* R 2.1.51-a: 03/21/2015
* - Centered the header of the CORE widget.
*
* R 2.1.51: 03/21/2015
* - Fixed angles in XDrawArc().
* - Allow to redraw the SYSINFO widget with a [Refresh] button.
* - Changed the [Pause] button to a Decoration button.
* - Red theme.
* - Added Operating System data in the SYSINFO widget.
* - Redefined the footer in the CSTATES widget.
*
* R 2.1.50: 03/16/2015
* - New '-B' argument to enable SmBIOS. (default is disable in the server).
* - Redesigned the System Information as a tree.
* - Added C-States Auto Demotion & UnDemotion states into the SysInfo widget.
*
* R 2.1.49: 03/15/2015
* - Added Performance Monitoring details into the SYSINFO widget.
* - Implemented the CPUID MONITOR MWAIT Leaf.
* - Allow to enable, disable C3 and C1 auto demotion.
* - Enhanced the DUMP Widget w/ a list of MSR names.
*
* R 2.1.48-b: 03/08/2015
* - Because of FreeBSD, sscanf("%ms") are changed to "%s"
* - Modified the header in xfreq-cli
*
* R 2.1.48-a: 03/07/2015
* - Server: realigned the sched_debug parsing.
* - GUI: insufficient memory allocation storage fixed.
*
* R 2.1.48: 03/07/2015
* - Added header strings in CORE Widget.
* - Increase the MSR address field length in DUMP Widget.
* - Implemented the C7 state in Sandy Bridge and above. (remain ZERO with others).
* - Implemented the INST counter in Core architecture.
*
* R 2.1.47-a: 03/05/2015
* - Corrected IPC & CPI formulas using Non-halted reference cycles [URC] counter.
*
* R 2.1.47: 03/01/2015
* - Fixed few GUI issues and README file.
* - New counters & ratios outputs are available in xfreq-cli.
* - Added 3 performance ratios:
* IPS (Instructions Per Second),
* IPC (Instructions Per Cycle),
* CPI (Cycles Per Instruction),
* - Programmed the Instructions Retired counter. (Nehalem and above)
*
* R 2.1.46: 02/21/2015
* - Derive C1 state from others.
* - 64-bit Aux TSC can be now selected as a source to estimate clock frequency.
*
* R 2.1.45: 02/15/2015
* - Added new commands to "safely" enable, disable:
* EIST,
* C1E,
* TCC
*
* R 2.1.44-c: 02/14/2015
* - If MDI, fixed the buttons flashing color.
* - Added the Widget number in the geometry string option.
* - Changed the default Widgets layout to fit a 1280x1024 screen resolution.
* - The MSR dump Widget now defaults to non pageable.
*
* R 2.1.44-b: 02/09/2015
* - Fixed the buttons flashing color.
*
* R 2.1.44-a: 02/08/2015
* - The SysInfo refresh is more complete.
* - Commands lexicon changed to 'enable', 'disable' future features.
*
* R 2.1.44: 02/07/2015
* - Added new commands to engage, disengage processor features:
* turbo
*
* R 2.1.43-d: 02/01/2015
* - Fixed the MDI.
* - Refreshing the SysInfo Widget with [Ctrl]+[l] updates the msr in the Server.
*
* R 2.1.43-c: 01/31/2015
* - Added the serial # of the Motherboard in the SysInfo Widget.
* - Fixed the GUI synchronism with data returned by Server.
* - The History substitution is now activated by the [F12] key.
* - Enhanced the command line and its cursor.
* - Reverted changes to the Turbo Boost status: bit 38: 1=disable , 0=enable
*
* R 2.1.43-b: 01/30/2015
* - Fixed history & command line expansion; keys mgnt; menu.
*
* R 2.1.43-a: 01/29/2015
* - Keys management enhanced.
* - Fixed the Turbo Boost status.
*
* R 2.1.43: 01/28/2015
* - Provide an history of commands.
* - Added keys to the commands menu.
* - Added commands to read and write msr.
* - Added a command to change the msr dump array and the associated Core.
* - Resize the Widgets.
* - Fixed the C-state averages with the online CPU count.
*
* R 2.1.42-b: 01/20/2015
* - Now trace errors if compiled with DEBUG.
*
* R 2.1.42-a: 01/19/2015
* - Fixed boolean command line arguments.
* - Limit to one job the build process.
*
* R 2.1.42: 01/16/2015
* - Integrated SmBIOS using a fixed shared memory.
*
* R 2.1.41-b: 01/04/2015
* - Fixed threads synchronism timeout.
* - Provided a global Makefile.
* - Copied the frequency values of the Atom from the Kernel source code.
*
* R 2.1.41-a: 01/03/2015
* - Preserve the MSR Counters in a Save Area.
* - Apply an atomic variable to server requests.
*
* R 2.1.41: 01/01/2015
* - Allow up to 64 clients
* - Fixed 64 bits atomic var.
*
* R 2.1.40: 12/28/2014
* - Threads synchronism is now managed with atomics variables.
* - Ported to FreeBSD.
*
* R 0.37 : 07/20/2014
* - Adding commands:
* get & set colors.
* - Allow to use numpad keys.
*
* R 0.36 : 07/14/2014
* - Display the Thermal Monitor activated state.
* - Fixed the buttons state.
*
* R 0.35 : 07/06/2014
* - Highlight buttons depending on state.
*
* R 0.34 : 07/05/2014
* - Added Thread buttons in the TEMP Widget to draw or not discrete temperature.
*
* R 0.33 : 06/26/2014
* - Draw the temperature per logical core.
*
* R 0.32 : 06/09/2014
* - New flags added to the System Information Widget:
* SYSCALL/SYSRET instructions enabled
* MTRR Default Type enabled
*
* R 0.31 : 06/04/2014 [unpublished]
* - XFreq for X11 is renamed to XFreq-Gui:
* it has been ported to the SHM and since runs with the regular user permissions.
* - Create a client as a code template. XFreq-Cli is a text mode client.
* - The XFreq-Intel server is the only process which now requires the root permissions.
* - Synchronization of the SHM using mutex and condition wait.
*
* R 0.30 : 05/29/2014 [unpublished]
* - Split the code into Client/Server.
* - Create a shared memory.
* - Un/serialize the data into the SHM.
*
* R 0.29 : 05/28/2014 [unpublished]
* - Mutex correction before rewriting the all part of the asynchronism.
* - Enhanced the Help banner.
*
* R 0.28 : 05/26/2014 SR-1 [RC1]
* - Fixed some typos.
*
* R 0.28 : 05/26/2014 SR-0
* - Added the '-v' option to print the version number.
* - Enhanced the '-i' option with a Splash attributes argument which allows to hide the Window and to defer the startup time.
* - Changed the bit field tests to avoid a potential stack overflow.
*
* R 0.27 : 05/24/2014 SR-2
* - While reinforcing integer data type variables, then scanning for errors with Valgrind, raised a duplicated definition of 'Status'
* with the header file X11/Xlib.h. Thus in the THERM_STATUS structure, the field has been renamed to 'StatusBit'.
*
* R 0.27 : 05/22/2014 SR-1
* - Fix: pointer to configFile and scanning options.
* - Fix: adjust space between task names when reverse sorting.
* - Fix: startup of task monitoring from settings file if no field defined.
*
* R 0.27 : 05/21/2014
* - Swap the arguments '-x' and '-a' associated with the option to disable the X ACL.
* - Recode the Widgets layout using geometries.
* use the option -g '[cols]x[rows]+[x]+[y], .. ,[cols]x[rows]+[x]+[y]'
* - Swap the arguments '-y', '-l' (Show the Core cycles) and '-g' (Fill the graphics).
* - Removed the '-x' and '-y' arguments which were used to set the initial position of the MAIN Widget.
* - Allow to sort the task monitoring using the '-t' option followed by the field number.
* argument is like 0x{R}0{N} from [0x000 / 0x101 .. 0x10b]
* where {R} to reverse sorting and {N} is the field number in the /proc/sched_debug file.
*
* R 0.26 : 05/15/2014 SR-2
* - Display tasks with the highest execution time.
*
* R 0.26 : 05/10/2014
* - Simplify the Task Scheduler Monitoring thread to process only one file: "/proc/sched_debug"
*
* R 0.25 : 05/07/2014 SR-4
* - The feature 'Always on top' is implemented by invoking the Window Manager.
* - Widgets can be skipped from the WM taskbar using the option '-N'
* - The Window Manager decorations can be removed using the option '-n'
* - Added an icon to all windows, including the Splash one.
* - Fix the missing application class and title name required by the Gnome 3 task bar.
* - Fix "XIO: fatal IO error 11 ..."
* - After moving a paused Widget the Cursor is restored to its previous shape.
* - The MAIN Widget is the only window which buffers the input keys.
*
* R 0.25 : 05/01/2014 SR-3
* - Written more details into the README file.
* - Fix few errors mentioned by Valgrind -;)
* - Fix some command line arguments:
* '-t' was a duplicate and has been replaced by '-o' to keep Widgets always on top;
* '-t' to boot the task scheduling monitor is now correctly saved into the settings file.
*
* R 0.25 : 04/30/2014 SR-2
* - When pressed, flash buttons with the COLOR_PULSE during a usleep of 50000.
* could be enhanced with a dedicated pixmap loop running its own thread.
* - Changed the default RGB value of _COLOR_GRAPH1 to 0xadadff , _COLOR_GRAPH2 to 0x50508a and _COLOR_GRAPH3 to 0x515172
* - With the none filled graphic mode activated:
* added the PID number instead of the ratio value if the [Ratio] button is pressed;
* modified the disposal and the scalling of the task command names;
* fix the text foreground color inside the Core usage rectangles.
*
* R 0.25 : 04/29/2014 SR-1
* - In the Core Widget, a button allows to switch graphic mode between filled or not.
* - Prints some perror().
* - Outputs a warning if file '/proc/sched_debug' cannot be opened.
*
* R 0.25 : 04/28/2014
* - Display the Task Scheduling in the Core Widget.
* start XFreq with the '-t' argument or click the [Task] button,
* then adjust the polling loop with buttons [+] and [-]
*
* R 0.24 : 04/25/2014
* - Added 2 arguments:
* '-C' to load and store settings from an alternate configuration file.
* '-U' with a bitmask of unmap Widgets.
*
* R 0.23 : 04/03/2014 SR-4
* - Store all Ratios in a Boost array which is also display at the section Boost of the Widget SysInfo.
* - Change the Code::Blocks project to be like the Makefile. Thus 'xfreq' is the only binary produced.
* - Check if an invariant TSC is available and display result in the SysInfo Widget.
* - Fixed some major memory leak.
* pthread : OK
* font : OK
* display : OK
* xrm database : still an issue
* - Change the argument '-h' to '-z' to show the frequencies in the Core Widget. the menu key is modified the same way.
* - Change the architecture detection to handle the processors of generation Core and above.
* So far, 3 arlgorithms are implemented in the following functions.
* uCycle_GenuineIntel(): C0 state only. Based on MSR IA32_APERF / IA32_MPERF
* uCycle_Core() : C0 state only. Based on MSR IA32_FIXED_CTR1 / IA32_FIXED_CTR2
* uCycle_Nehalem() : C0, C3, C6 states. Based on the fixed counters.
*
* R 0.23 : 03/30 2014 SR-3
* - Added an emergency exit function if a POSIX signal is caught.
*
* R 0.23 : 03/29 2014 SR-2
* - For any disable CPU:
* fixed the chart drawing in the CStates Widget
* change some texts in the SysInfo Widget.
* - Auto adjusting the width of the Widgets & the positions of Ratios & Temps values.
*
* R 0.23 : 03/28 2014 SR-1
* - Added the '-A' program argument to dump the list of compiled Architectures.
* - Fixed an infinite loop in uReadAPIC() which locks when processing with Core2 architectures.
*
* R 0.23 : 03/27 2014
* - Added the '-c' program argument to force specifications of another architecture.
* - Redefined the Architecture table to allow the addition of other Processors and their associated processing loop,
*
* R 0.22 : 03/26 2014 SR-5
* - Fixed a bug in uLoop() if G >= WIDGETS.
*
* R 0.22 : 03/25 2014 SR-4
* - Save & load colors from the settings file.
*
* R 0.22 : 03/24 2014 SR-3
* - Save settings into the '.xfreq' file in home directory.
*
* R 0.22 : 03/23 2014 SR-2
* - Load settings from .xfreq file in home directory.
* - Provid a new button to Reset the coldest temperature.
* - Added the '-i' command line argument to hide the Splash screen.
* - Fixed margins when in non MDI.
* - Fixed the scale of the Cold Temperature.
*
* R 0.22 : 03/20 2014 SR-1
* - Fixed the Splash startup.
*
* R 0.22 : 03/19 2014
* - The initial disposal of the Widgets is corrected.
* - Change the scale of the temperature graphic.
* - Added a splash screen during the initialization.
* - Postponed the Thermal thresholds treatment.
* - Display the followings into the System Info Widget:
* Hardware Lock Elision (HLE)
* Restricted Transactional Memory (RTE)
* All Turbo Boost Ratios
* BM1 / BM2
* Topology & State of CPU
* Performance Counters matrix
* - Removed the '-c' (per Core) argument.
* AnyThread Counters are now automatically set just after the Processor topology enumeration function.
*
* R 0.21 : 03/15 2014 SR-2
* - Allows to read the Base Clock frequency at a user's specified address in ROM memory.
* use the new command line argument '-M'
* defaults to 0xf08d9 + 0x12 which is the ASUS Rampage II GENE motherboard address.
*
* R 0.21 : 03/14 2014 SR-1
* - Fix the Topology algorithm to get a list of enabled CPU and show if HTT is enabled.
* - Fix a Graphic regression in the Widget Temperature. Now displays the coldest value.
*
* R 0.21 : 03/12 2014
* - Implemented an enumeration of the Processor topology to get a list of the activated Threads and Cores;
* and conclude if Hyperthreading is actually enabled.
*
* R 0.20 : 03/07 2014
* - Provide an option to select the Clock source between the TSC, BIOS, Specifications, ROM, and an user defined value.
* Use the '-S' command line argument or one of the buttons in the System Info Widget.
* The current source is displayed beside the Base Clock.
*
* R 0.19 : 03/06 2014 SR-2
* - Added a new Quit decoration button.
* - Modified the Minimize decoration button.
* - Fix the scrolling boundaries & the icon names updates.
*
* R 0.19 : 03/05 2014 SR-1
* - Fix the icons size & position.
* - To get a smoother motion, the Scrolling code has been reprogrammed using an additional pixmap.
*
* R 0.19 : 03/01 2014
* - Allow the Widget title to be still refreshed when the window is minimized, iconified or paused.
* By the way, when MDI is enabled, the title of the main window is updated with the top frequency & temperature.
* - Solved the Widgets moving issue using the 'ConfigureNotify' event.
* However the top frame border added by the WM is not counted in the Window position.
*
* R 0.18 : 02/27 2014 SR-3
* - Kernel NMI Watchdog must be disabled because it interferes XFreq when reading UNC & URC counters.
* to disable the watchdog, append the Kernel parameter nmi_watchdog=0
* or into Shell, echo "0" > /proc/sys/kernel/nmi_watchdog before starting XFreq.
*
* - The semaphore locks the drawing thread when increasing, decreasing the loop idle time.
* - The loop idle time is displayed in the System Info Widget.
* - The Processor Brand name is now shown beside the System Info title :
* a new button [Brand] starts and stops this wallboard.
* - An new argument "-a" is provided to enable or disable X Access Control List".
*
* R 0.18 : 02/26 2014 SR-2
* - The decoration is now put on the top-right corner.
* - A message is output when Counters are reset.
*
* R 0.18 : 02/24 2014 SR-1
* - In case of counters overflowed, reset them.
* - In the System Info Widget, two buttons are added to increase, decrease the sleep time.
* - A "ReClock" button in the System Info Widget allows to re-estimate the Base Clock.
* - The Mouse Cursors are implemented.
* - Moving the Widgets is managed in both cases, with or without the MDI mode.
* Thus, no Window Manager is required. Use right mouse button to move a Widget.
*
* R 0.17 : 02/22 2014 SR-5
* - Clean up some code.
* - Added to System Info Widget the CPUID functions :
* leaf (0x6) Digital Thermal Sensor & Power Management
* leaf (0x7) Extended Feature Flags
* leaf (0xa) Performance Monitoring
*
* R 0.17 : 02/20 2014 SR-4
* - Display Ratio formula :
*
* DisplayRatio=TurboRatio x State(C0) * MaxNonTurboRatio
* where
* TurboRatio=Delta(UCC) / Delta(URC)
* and State(C0)=Delta(URC) / Delta(TSC)
* and MaxNonTurboRatio=MSR_PLATFORM_INFO[15-8]
*
* R 0.17 : 02/18 2014 SR-3
* - In Cycles calculation, test for 64 bits overflow.
*
* R 0.17 : 02/16 2014 SR-2
* - Added Decoration buttons.
* - Highlight button when clicked.
*
* R 0.17 : 02/15 2014 SR-1
* - Corrected the Turbo ratio calculation.
* - A Core frequency is displayed when the ratio is greater or equal 5
* - A minimized Widget has an associated icon button in the Main Widget right bar.
* - Cycle and C-State options are now dissociated.
*
* R 0.16 : 02/12 2014 SR-5
* - Registers Dump Widget is now auto refreshed.
* - [CTRL]+[P] or startup option '-p 1'prints the following :
* Raw Cycles values in the Core Widget.
* C-States % in its own Widget.
* - In the System Info Widget the Base Clock frequency is now printed below the Processor brand string.
*
* R 0.16 : 02/11 2014 SR-4
* - In main() provide a none stop program startup and log any missing prerequisites.
* - Modified Ratio & Frequency computation to Relative values.
*
* R 0.16 : 02/10 2014 SR-3
* - A few scripting commands are implemented.
* - The mouse is supported for some functions such as scrolling buttons and moving Widget.
* - Rolling back to an unique input buffer located in the MAIN Widget:
* some option keys need to be pressed with the [Control] key.
* - Simplify all code using macros:
* [Quarter][Half][One][Twice][Twice_Half]_Char_Width
* [Quarter][Half][One][Twice][Twice_Half]_Char_Height
*
* R 0.16 : 02/01 2014 SR-2
* - Implemented a global handling of input characters string.
*
* R 0.16 : 01/31 2014 SR-1
* - Added a new Widget to dump MSR registers in binary.
*
* R 0.16 : 01/29 2014
* - Read the TSC per logical Core using IA32_TIME_STAMP_COUNTER(0x10) rather than RDTSC instruction.
* - Integrate the Misc Processor Features into the System Info Widget. See IA32_MISC_ENABLE(0x1a0).
* - Attempt to handle the temperature Threshold values with IA32_THERM_INTERRUPT(0x19b) : no data !
*
* R 0.15 : 01/28 2014 SR-4
* - Reorganized the time critical part in the uCycle thread.
* - Reduced the CPU overhead in Events loop and the Drawing thread.
*
* R 0.15 : 01/24 2014 SR-3
* - Cosmetic changes with the MDI window. Use '-D 1' to enable the MDI.
* - Minimizing or unmapping a widget stops its drawing.
* - The command argument '-D' enables the Multiple Document Interface management mode.
* - The Widgets are now gracefully disposed.
* - Added an architecture table with default processors values.
* - Implemented the C3 and C6 C-States counters.
* - Create 2 new Widgets:
* C-States per Core and in Processor average.
* Temperature per Core and hottest.
* - Protect the drawing thread with a mutex.
* - Scroll the Processor brand name (Wallboard).
* - Changed the action associated with [Page Down] & [Page Up] keys.
* - The [+] and [-] keys of the NumPad allow to decrase or increase the idle time.
* - In the Core Widget :
* the [H] key hide / unhide the frequencies.
* the [P] key hide / unhide the C-States counters.
* - The System Information Widget now gathers all detail about Processor, RAM and BIOS.
*
* R 0.14 : 01/19 2014
* - Added the option '-c' to monitor the processor either per threads, either per cores.
* - The Cores load is now based on the C0 performance counter and relatively to the TSC.
*
* R 0.13 : 01/14 2014 SR-1
* - The program is changed from 2 to 3 threads:
* uCycle to compute the actual frequency.
* uDraw to paint the foreground.
* uLoop to handle X events. (called by the main thread)
* - The calculation of the Cores frequency is now as follow :
* (Base Operating Ratio) x (Delta of Unhalted Cycles) x (Bus CLOCK frequency)
*
* R 0.12 : 01/14 2014
* - Use the MSR performance counters to provide a better computation accuracy of the Cores frequency multiplier.
* - Intel Core Architecture detected.
* - Blink yellow when in pause mode.
*
* R 0.11 : 01/09 2014
* - add specifications pages for Processor (features), RAM (timings & channels count) and BIOS (BCLK).
* press [F1] to get help and scroll with arrow keys.
* - provide a compact string for processor brand.
* - better font support.
* layout scaling is based on loaded font.
* "fixed" font as a default.
*
* R 0.10 : 01/04 2014
* - the MSR readings are optimized a little bit, however turbo ratios don't show up yet.
* - drawing is now done with 2 pixmaps :
* B, for the background layout,
* F, to display the dynamics.
* - the event loop does not sleep anymore but waits for any event on the socket.
* - the '-a' argument allows to show the activity of the loop.
* - transparency only works with a composite manager.
* - the project is ported to Code::Blocks, however not delivered yet.
* - semaphore lock is still questioned ?
* R 0.09 : 01/01 2014
* - PAUSE key to suspend drawing.
* - double buffering.
* - pseudo transparency with any window id (see option -D[esktop]).
* - read SMBIOS @ 0x24 to get the true number of active Core threads (instead of CPUID).
* - some drawing alignment; text scaling; coloring based on the ratios.
* - add the temperature & a few spaces in the application title name.
* - inform the WM of the Widget fixed size : no resize faisable.
* - new option -s to set the idle time (micro-seconds) inside function uExec().
* - leave Event Loop, uLoop() as the main thread.
* R 0.08 : Widget ready as a beta release.
* R 0.01 to 0.07 : initial source code.
*
*
*
* [DOCUMENTATION]
*
* +-----+--------------------------------------------------------------------------------------------+
* | (1) | Intel 64 and IA-32 Software Developer Manual Vol 3A 3B 3C |
* +-----+--------------------------------------------------------------------------------------------+
* | (2) | DMTF: System Management BIOS (SMBIOS) Reference Specification |
* +-----+--------------------------------------------------------------------------------------------+
* | (3) | Intel Turbo Boost Technology in Intel CoreTM Microarchitecture (Nehalem) Based Processors |
* +-----+--------------------------------------------------------------------------------------------+
* | (4) | Micron Technology: Technical Note DDR3 Power-Up, Initialization, and Reset |
* +-----+--------------------------------------------------------------------------------------------+
*
*/