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Thermal and C-state reporting utility for Intel Core CPUs
License: GNU General Public License v2.0
This project forked from dimitryandric/i7z
Thermal and C-state reporting utility for Intel Core CPUs
License: GNU General Public License v2.0
license: My code is GPLv2, Details in COPYING Current Version: git-93 (May/2013) Prerequisites: Ivy Bridge processors seem to need phc_intel to function correctly. Compiling: 32/64-bit linux: make Running: sudo ./i7z needs sudo as MSR are usually only superuser readable/writeable. or if the device nodes are readable under your account then they will work out fine without the sudo need ncurses library: usually something like libncurses on debian. also needs support of MSR (model specific register) in kernel. Usually most kernels have it. Else run the MAKEDEV file. I do modprobing of msr within the C-program. I added in new code that shows a nice GUI. The Makefile for that is in GUI/ subdirectory. Just install a couple of qt packages and you should be all set to run it. There is a README file that lists those packages. Run the following commands in GUI directory: qmake; make clean; make Running GUI: sudo ./i7z_GUI Installation sudo make install Version and Bug History: v git-93 (27/May/2013) added full (lol) support for Ivy Bridge v svn 103 (Sep/2012) some fixes for segv fault when cpuid code is not inline v svn-43 (27/May/2010) moved some global variables into individual functions. removed a redundant line that was bieng printed GUI version should support upto 12 physical cores. can be easily edited for more cores. v svn-40 (27/May/2010) fixed bugs in dual and single socket when there are too many cores. v svn-36 (18/May/2010) Fixed a bug with printing the Multiplier Line when only 1 core was enabled. v svn-31 (17/May/2010) Supports Dual sockets. Allows for on the fly disabling/enabling of cores without crashing. v0.21-4 (22/Feb/2010) No bugs fixed, except better documentation of the code and fixing on the Makefiles, c/header files and better loading/checking of msr v0.21-3 (13/Feb/2010) Minor Bug Fix, that happened as auto typecasting of double to float wasn't done A variable (numLogical) was getting overwritten, so moved it to global Seems that flags for optimization were screwing things up, so now no optimization GUI still has -O1 optimization flags BTW why sudden increase from 0.2-1 to 0.21-3. There were 3 minor edits in between And then for me 0.21 and 0.2 are just 0.01 apart rather then 19 minor aparts. I realised it too late and the svn was updated so many times that i'll keep it this way this time v0.21 (12/Feb/2010) Lots of edits. Namely changed the way the number of cores were always fixed at 4 Now arbitrary number of cores can be detected, thus i3, i5, i7 and gulftown (6-cores) can be detected. Also added code to detect the whole nehalem family rather than just i7 Removed Intel_CPUID directory which was used earlier to know the number of logical and physical processor. It was iffy when cores where shut down in OS and when license was concerned. Now i use just /proc/cpuinfo to figure out stuff. v0.2 added a gui version that uses qt4. makefile in GUI subdirectory now C0+C1+C3+C6 = 100% v0.1 simple i7 detection utility for overclockers and clockers :) v0.01- very simple program to examine i7 feature clocking and running with speedstep Checked on 64-bit linux only. Should work on 32-bit too. need ncurses library: usually something like libncurses on debian. also needs support of MSR (model specific register) in kernel. Usually most kernels have it. Else run the MAKEDEV file. I do modprobing of msr within the C-program. coder: Abhishek Jaiantilal ([email protected]). And suggestions/help from multiple people, let me know if i am missing your contribution. contributor: raininja <[email protected]> contributor: Richard Hull <[email protected]> contributor: andareed
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