Comments on: How To Get Per-Core CPU Usage http://w-shadow.com/blog/2009/04/17/per-core-cpu-usage/ A blog about web development, software business, and WordPress Tue, 22 May 2012 04:00:20 +0000 hourly 1 http://wordpress.org/?v=3.3.2 By: Jānis Elsts http://w-shadow.com/blog/2009/04/17/per-core-cpu-usage/comment-page-2/#comment-199763 Jānis Elsts Tue, 24 Apr 2012 17:10:59 +0000 http://w-shadow.com/?p=1058#comment-199763 No, I don't think so. No, I don’t think so.

]]> By: RASOLOFONIAINA Menjanahary R. http://w-shadow.com/blog/2009/04/17/per-core-cpu-usage/comment-page-2/#comment-199755 RASOLOFONIAINA Menjanahary R. Tue, 24 Apr 2012 13:19:15 +0000 http://w-shadow.com/?p=1058#comment-199755 I mean the windows 7 x64 issue. I mean the windows 7 x64 issue.

]]> By: RASOLOFONIAINA Menjanahary R. http://w-shadow.com/blog/2009/04/17/per-core-cpu-usage/comment-page-2/#comment-199754 RASOLOFONIAINA Menjanahary R. Tue, 24 Apr 2012 13:18:09 +0000 http://w-shadow.com/?p=1058#comment-199754 Was the Windows 7 x64 fixed? Was the Windows 7 x64 fixed?

]]> By: White Shadow http://w-shadow.com/blog/2009/04/17/per-core-cpu-usage/comment-page-2/#comment-165857 White Shadow Thu, 03 Feb 2011 18:10:16 +0000 http://w-shadow.com/?p=1058#comment-165857 <a href="http://msdn.microsoft.com/en-us/library/ms681382(v=vs.85).aspx" rel="nofollow">According to MSDN</a>, zero equals ERROR_SUCCESS. And according to <a href="http://msdn.microsoft.com/en-us/library/aa372606(v=vs.85).aspx" rel="nofollow">another page on MSDN</a>, that means the function executed successfully, i.e. no error. According to MSDN, zero equals ERROR_SUCCESS. And according to another page on MSDN, that means the function executed successfully, i.e. no error.

]]> By: Chris http://w-shadow.com/blog/2009/04/17/per-core-cpu-usage/comment-page-2/#comment-165856 Chris Thu, 03 Feb 2011 18:03:24 +0000 http://w-shadow.com/?p=1058#comment-165856 Actually the problem is here [...] status := PdhExpandWildCardPath( nil, //search the local computer '\Processor(*/*#*)\% Processor Time', //we want CPU usage counters for all CPUs/cores pPaths, //user-allocated buffer; currently null dwSize, //buffer size 0) ; //no flags if status = PDH_MORE_DATA then begin [...] the value of status is zero. Any ideas why? Actually the problem is here

[...]
status := PdhExpandWildCardPath(
nil, //search the local computer
‘\Processor(*/*#*)\% Processor Time’, //we want CPU usage counters for all CPUs/cores
pPaths, //user-allocated buffer; currently null
dwSize, //buffer size
0) ; //no flags

if status = PDH_MORE_DATA then begin
[...]

the value of status is zero.
Any ideas why?

]]> By: White Shadow http://w-shadow.com/blog/2009/04/17/per-core-cpu-usage/comment-page-2/#comment-117568 White Shadow Wed, 03 Nov 2010 08:56:20 +0000 http://w-shadow.com/?p=1058#comment-117568 Unfortunately, I don't have Delphi installed right now, so I can't check what goes wrong in Windows 7. Unfortunately, I don’t have Delphi installed right now, so I can’t check what goes wrong in Windows 7.

]]> By: Dorin Duminica http://w-shadow.com/blog/2009/04/17/per-core-cpu-usage/comment-page-2/#comment-117564 Dorin Duminica Wed, 03 Nov 2010 08:46:46 +0000 http://w-shadow.com/?p=1058#comment-117564 yes, BUT still, windows 7 x64 is capable of running 32 bit applications... I have tested it in a VM with Windows Xp sp 3 32 bit version running and it works perfectly... yes, BUT still, windows 7 x64 is capable of running 32 bit applications… I have tested it in a VM with Windows Xp sp 3 32 bit version running and it works perfectly…

]]> By: White Shadow http://w-shadow.com/blog/2009/04/17/per-core-cpu-usage/comment-page-2/#comment-117561 White Shadow Wed, 03 Nov 2010 08:37:02 +0000 http://w-shadow.com/?p=1058#comment-117561 Considering that it was compiled on Windows XP 32bit, I'm not the least bit surprised. The general algorithm should still be valid for Windows 7, though. Considering that it was compiled on Windows XP 32bit, I’m not the least bit surprised. The general algorithm should still be valid for Windows 7, though.

]]> By: Dorin Duminica http://w-shadow.com/blog/2009/04/17/per-core-cpu-usage/comment-page-2/#comment-117447 Dorin Duminica Wed, 03 Nov 2010 03:37:32 +0000 http://w-shadow.com/?p=1058#comment-117447 I've downloaded the compiled demo application and it fails to initialize on Windows 7 Ultimate 64 bit. I’ve downloaded the compiled demo application and it fails to initialize on Windows 7 Ultimate 64 bit.

]]> By: Anonymous http://w-shadow.com/blog/2009/04/17/per-core-cpu-usage/comment-page-2/#comment-99211 Anonymous Sun, 03 Oct 2010 17:37:08 +0000 http://w-shadow.com/?p=1058#comment-99211 [...] gefunden der eine ganz nette Sache beschreibt. Und zwar das Auslesen der CPU Last pro Core. http://w-shadow.com/blog/2009/04/17/per-core-cpu-usage/ Funktioniert super - solange man ein englisches System nutzt. Denn die Performance Counter werden [...] [...] gefunden der eine ganz nette Sache beschreibt. Und zwar das Auslesen der CPU Last pro Core. http://w-shadow.com/blog/2009/04/17/per-core-cpu-usage/ Funktioniert super – solange man ein englisches System nutzt. Denn die Performance Counter werden [...]

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