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[Xen-changelog] [xen-unstable] libxc: Enable cpuid performance counter l
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| Subject: | [Xen-changelog] [xen-unstable] libxc: Enable cpuid performance counter leaf for HVM |
| From: | Xen patchbot-unstable <patchbot@xxxxxxx> |
| Date: | Thu, 15 Sep 2011 18:55:10 +0100 |
| Delivery-date: | Thu, 15 Sep 2011 10:55:26 -0700 |
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# HG changeset patch
# User Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>
# Date 1316096767 -3600
# Node ID 4815be3af73cd22d8225754ef5fff0ca03759ad7
# Parent 42a45baf037dfc0d0ad09c29b0f6149304023802
libxc: Enable cpuid performance counter leaf for HVM
In HVM domains the usable performance counters can be checked
automatically only, if cpuid leaf 0x0000000a is accessible.
Signed-off-by: Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>
Committed-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
---
diff -r 42a45baf037d -r 4815be3af73c tools/libxc/xc_cpuid_x86.c
--- a/tools/libxc/xc_cpuid_x86.c Thu Sep 15 11:08:05 2011 +0100
+++ b/tools/libxc/xc_cpuid_x86.c Thu Sep 15 15:26:07 2011 +0100
@@ -392,6 +392,7 @@
case 0x00000002: /* Intel cache info (dumped by AMD policy) */
case 0x00000004: /* Intel cache info (dumped by AMD policy) */
+ case 0x0000000a: /* Architectural Performance Monitor Features */
case 0x80000002: /* Processor name string */
case 0x80000003: /* ... continued */
case 0x80000004: /* ... continued */
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