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newlib-cygwin
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Fix /proc/cpuinfo topology and cache size info 

* autoload.cc (GetLogicalProcessorInformationEx): Import.
        (SetThreadGroupAffinity): Import.
        * fhandler_proc.cc (add_size): New macro.
        (get_msb): New inline function.
        (mask_bits): Ditto.
        (format_proc_cpuinfo): Drop handling of old CPUs.  Check if we're
        running on a OS version supporting porcessor groups.  If so, use
        SetThreadGroupAffinity to set thread affinity.  Improve cache info
        to include 3rd level cache on Intel CPUs.  Improve multi core info.
        * wincap.h (wincaps::has_processor_groups): New element.
        * wincap.cc: Implement above element throughout.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2015-08-13 17:59:47 +02:00
parent 1e15b46737
commit e0d48debed
6 changed files with 639 additions and 511 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
winsup/cygwin/ChangeLog
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@ -1,3 +1,17 @@
2015-08-13 Corinna Vinschen <corinna@vinschen.de>
* autoload.cc (GetLogicalProcessorInformationEx): Import.
(SetThreadGroupAffinity): Import.
* fhandler_proc.cc (add_size): New macro.
(get_msb): New inline function.
(mask_bits): Ditto.
(format_proc_cpuinfo): Drop handling of old CPUs. Check if we're
running on a OS version supporting porcessor groups. If so, use
SetThreadGroupAffinity to set thread affinity. Improve cache info
to include 3rd level cache on Intel CPUs. Improve multi core info.
* wincap.h (wincaps::has_processor_groups): New element.
* wincap.cc: Implement above element throughout.
2015-08-10 Corinna Vinschen <corinna@vinschen.de>
* miscfuncs.cc: Fix comment preceeding x86_64 memset and friends.

2
winsup/cygwin/autoload.cc
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@ -576,11 +576,13 @@ LoadDLLfunc (GetUdpTable, 12, iphlpapi)
LoadDLLfuncEx (CancelSynchronousIo, 4, kernel32, 1)
LoadDLLfunc (CreateSymbolicLinkW, 12, kernel32)
LoadDLLfuncEx (GetLogicalProcessorInformationEx, 12, kernel32, 1)
LoadDLLfuncEx (GetNamedPipeClientProcessId, 8, kernel32, 1)
LoadDLLfunc (GetSystemTimePreciseAsFileTime, 4, kernel32)
LoadDLLfuncEx (IdnToAscii, 20, kernel32, 1)
LoadDLLfuncEx (IdnToUnicode, 20, kernel32, 1)
LoadDLLfunc (LocaleNameToLCID, 8, kernel32)
LoadDLLfunc (SetThreadGroupAffinity, 12, kernel32)
LoadDLLfunc (SetThreadStackGuarantee, 4, kernel32)
/* ldap functions are cdecl! */

1116
winsup/cygwin/fhandler_proc.cc
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File diff suppressed because it is too large Load Diff

10
winsup/cygwin/release/2.2.1
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@ -5,11 +5,13 @@ What's new:
What changed:
-------------
- Revert the following patch from 2.2.0:
When started from a non-Cygwin process, check if $HOME starts with a
slash (absolute POSIX path). Otherwise ignore it.
Bug Fixes
---------
- Revert the following patch from 2.2.0:
When started from a non-Cygwin process, check if $HOME starts with a
slash (absolute POSIX path). Otherwise ignore it.
- Fix output of /proc/cpuinfo in terms of cpu topology and cache size for
modern CPUs and modern Windows OSes supporting more than 64 logical CPUs.

6
winsup/cygwin/wincap.cc
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@ -49,6 +49,7 @@ wincaps wincap_xpsp2 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_microsoft_accounts:false,
has_set_thread_stack_guarantee:false,
has_broken_rtl_query_process_debug_information:false,
has_processor_groups:false,
};
wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = {
@ -80,6 +81,7 @@ wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_microsoft_accounts:false,
has_set_thread_stack_guarantee:true,
has_broken_rtl_query_process_debug_information:true,
has_processor_groups:false,
};
wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
@ -111,6 +113,7 @@ wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
has_microsoft_accounts:false,
has_set_thread_stack_guarantee:true,
has_broken_rtl_query_process_debug_information:false,
has_processor_groups:false,
};
wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
@ -142,6 +145,7 @@ wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_microsoft_accounts:false,
has_set_thread_stack_guarantee:true,
has_broken_rtl_query_process_debug_information:false,
has_processor_groups:true,
};
wincaps wincap_8 __attribute__((section (".cygwin_dll_common"), shared)) = {
@ -173,6 +177,7 @@ wincaps wincap_8 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_microsoft_accounts:true,
has_set_thread_stack_guarantee:true,
has_broken_rtl_query_process_debug_information:false,
has_processor_groups:true,
};
wincaps wincap_10 __attribute__((section (".cygwin_dll_common"), shared)) = {
@ -204,6 +209,7 @@ wincaps wincap_10 __attribute__((section (".cygwin_dll_common"), shared)) = {
has_microsoft_accounts:true,
has_set_thread_stack_guarantee:true,
has_broken_rtl_query_process_debug_information:false,
has_processor_groups:true,
};
wincapc wincap __attribute__((section (".cygwin_dll_common"), shared));

2
winsup/cygwin/wincap.h
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@ -42,6 +42,7 @@ struct wincaps
unsigned has_microsoft_accounts : 1;
unsigned has_set_thread_stack_guarantee : 1;
unsigned has_broken_rtl_query_process_debug_information : 1;
unsigned has_processor_groups : 1;
};
class wincapc
@ -98,6 +99,7 @@ public:
bool IMPLEMENT (has_microsoft_accounts)
bool IMPLEMENT (has_set_thread_stack_guarantee)
bool IMPLEMENT (has_broken_rtl_query_process_debug_information)
bool IMPLEMENT (has_processor_groups)
#undef IMPLEMENT
};