[atlas/3.10.0-rc1: 6/11] cpu throttling allowed

[Frantisek Kluknavsky]

commit 7bc5a6de5f204c93f06a003072261f2d2a068165
Author: Frantisek Kluknavsky <fkluknav at redhat.com>
Date:   Thu Oct 25 12:07:26 2012 +0200

    cpu throttling allowed

 atlas-throttling.patch |   12 ++++++++++++
 atlas.spec             |    5 ++++-
 2 files changed, 16 insertions(+), 1 deletions(-)
---
diff --git a/atlas-throttling.patch b/atlas-throttling.patch
new file mode 100644
index 0000000..45c862e
--- /dev/null
+++ b/atlas-throttling.patch
@@ -0,0 +1,12 @@
+diff -up ATLAS/CONFIG/src/config.c.zaloha ATLAS/CONFIG/src/config.c
+--- ATLAS/CONFIG/src/config.c.zaloha	2012-10-25 11:29:02.495425989 +0200
++++ ATLAS/CONFIG/src/config.c	2012-10-25 11:42:10.218216957 +0200
+@@ -711,6 +711,8 @@ int ProbePtrbits(int verb, char *targarg
+ 
+ int ProbeCPUThrottle(int verb, char *targarg, enum OSTYPE OS, enum ASMDIA asmb)
+ {
++   return 0; /* impossible to turn off cpu throttling => ignore */
++             /* this undermines performance of compiled library */
+    int i, iret;
+    char *ln;
+    i = strlen(targarg) + 22 + 12;
diff --git a/atlas.spec b/atlas.spec
index 818340f..6ecdb29 100644
--- a/atlas.spec
+++ b/atlas.spec
@@ -27,6 +27,7 @@ Patch2:		atlas-fedora-arm.patch
 # Properly pass -melf_* to the linker with -Wl, fixes FTBFS bug 817552
 # https://sourceforge.net/tracker/?func=detail&atid=379484&aid=3555789&group_id=23725
 #Patch3:		atlas-melf.patch
+Patch4:		atlas-throttling.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 BuildRequires:  gcc-gfortran
@@ -253,6 +254,7 @@ optimizations for the z10 architecture.
 %patch2 -p0 -b .arm
 %endif
 #%patch3 -p1 -b .melf
+%patch4 -p1 -b .thrott
 cp %{SOURCE1} CONFIG/ARCHS/
 cp %{SOURCE2} CONFIG/ARCHS/
 cp %{SOURCE3} doc
@@ -668,8 +670,9 @@ fi
 %endif
 
 %changelog
-* Tue Oct 23 2012 Frantisek Kluknavsky <fkluknav at redhat.com> - 3.10.0-0
+* Thu Oct 25 2012 Frantisek Kluknavsky <fkluknav at redhat.com> - 3.10.0-0
 - Rebase to 3.10.0
+- disabled cpu throttling detection
 
 * Fri Sep 07 2012 Orion Poplawski <orion at nwra.com> - 3.8.4-7
 - Rebuild with lapack 3.4.1