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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-06 09:30:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-06 09:30:52 -0700
commit4aed2fd8e3181fea7c09ba79cf64e7e3f4413bf9 (patch)
tree1f69733e5daab4915a76a41de0e4d1dc61e12cfb /arch/x86/oprofile/nmi_int.c
parent3a3527b6461b1298cc53ce72f336346739297ac8 (diff)
parentfc9ea5a1e53ee54f681e226d735008e2a6f8f470 (diff)
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Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (162 commits) tracing/kprobes: unregister_trace_probe needs to be called under mutex perf: expose event__process function perf events: Fix mmap offset determination perf, powerpc: fsl_emb: Restore setting perf_sample_data.period perf, powerpc: Convert the FSL driver to use local64_t perf tools: Don't keep unreferenced maps when unmaps are detected perf session: Invalidate last_match when removing threads from rb_tree perf session: Free the ref_reloc_sym memory at the right place x86,mmiotrace: Add support for tracing STOS instruction perf, sched migration: Librarize task states and event headers helpers perf, sched migration: Librarize the GUI class perf, sched migration: Make the GUI class client agnostic perf, sched migration: Make it vertically scrollable perf, sched migration: Parameterize cpu height and spacing perf, sched migration: Fix key bindings perf, sched migration: Ignore unhandled task states perf, sched migration: Handle ignored migrate out events perf: New migration tool overview tracing: Drop cpparg() macro perf: Use tracepoint_synchronize_unregister() to flush any pending tracepoint call ... Fix up trivial conflicts in Makefile and drivers/cpufreq/cpufreq.c
Diffstat (limited to 'arch/x86/oprofile/nmi_int.c')
-rw-r--r--arch/x86/oprofile/nmi_int.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index b28d2f1..1ba67dc 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -634,6 +634,18 @@ static int __init ppro_init(char **cpu_type)
if (force_arch_perfmon && cpu_has_arch_perfmon)
return 0;
+ /*
+ * Documentation on identifying Intel processors by CPU family
+ * and model can be found in the Intel Software Developer's
+ * Manuals (SDM):
+ *
+ * http://www.intel.com/products/processor/manuals/
+ *
+ * As of May 2010 the documentation for this was in the:
+ * "Intel 64 and IA-32 Architectures Software Developer's
+ * Manual Volume 3B: System Programming Guide", "Table B-1
+ * CPUID Signature Values of DisplayFamily_DisplayModel".
+ */
switch (cpu_model) {
case 0 ... 2:
*cpu_type = "i386/ppro";
@@ -655,12 +667,12 @@ static int __init ppro_init(char **cpu_type)
case 15: case 23:
*cpu_type = "i386/core_2";
break;
+ case 0x1a:
case 0x2e:
- case 26:
spec = &op_arch_perfmon_spec;
*cpu_type = "i386/core_i7";
break;
- case 28:
+ case 0x1c:
*cpu_type = "i386/atom";
break;
default: