2013-04-29 19:48:34

by Vince Weaver

Subject: [PATCH] perf: Add support for IvyBridge model 58 Uncore

According to Intel Vol3b 18.9, the IvyBridge model 58 uncore is the
same as that of SandyBridge.

I've done some simple tests and with this patch things seem to work
on my mac-mini.

Signed-off-by: Vince Weaver <[email protected]>

diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
index b43200d..7756c69 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
@@ -2853,6 +2853,7 @@ static int __init uncore_cpu_init(void)
msr_uncores = nhm_msr_uncores;
break;
case 42: /* Sandy Bridge */
+ case 58: /* Ivy Bridge */
if (snb_uncore_cbox.num_boxes > max_cores)
snb_uncore_cbox.num_boxes = max_cores;
msr_uncores = snb_msr_uncores;

2013-04-30 16:48:18

by tip-bot for Vasyl Gomonovych

Subject: [tip:perf/urgent] perf/x86/intel: Add support for IvyBridge model 58 Uncore

Commit-ID: 9a6bc14350b130427725f33e371e86212fa56c85
Gitweb: http://git.kernel.org/tip/9a6bc14350b130427725f33e371e86212fa56c85
Author: Vince Weaver <[email protected]>
AuthorDate: Mon, 29 Apr 2013 15:52:27 -0400
Committer: Ingo Molnar <[email protected]>
CommitDate: Tue, 30 Apr 2013 10:56:45 +0200

perf/x86/intel: Add support for IvyBridge model 58 Uncore

According to Intel Vol3b 18.9, the IvyBridge model 58 uncore is
the same as that of SandyBridge.

I've done some simple tests and with this patch things seem to
work on my mac-mini.

Signed-off-by: Vince Weaver <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: http://lkml.kernel.org/r/alpine.DEB.2.02.1304291549320.15827@vincent-weaver-1.um.maine.edu
Cc: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
---
arch/x86/kernel/cpu/perf_event_intel_uncore.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
index 0d5ec6d..22ebaa8 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
@@ -2853,6 +2853,7 @@ static int __init uncore_cpu_init(void)
msr_uncores = nhm_msr_uncores;
break;
case 42: /* Sandy Bridge */
+ case 58: /* Ivy Bridge */
if (snb_uncore_cbox.num_boxes > max_cores)
snb_uncore_cbox.num_boxes = max_cores;
msr_uncores = snb_msr_uncores;