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authorRobert Richter <robert.richter@amd.com>2008-07-22 21:09:06 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-26 11:48:13 +0200
commit852402cc27bfa1200164e9e8dc7f6e5f0a4fbd46 (patch)
tree0194e23373230888de9115f5ffaacb09e005b57a /arch/Kconfig
parent6aa360e6c16c145edf1837690e0f7aaea6b86ef3 (diff)
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x86/oprofile: add CONFIG_OPROFILE_IBS option
Signed-off-by: Robert Richter <robert.richter@amd.com> Cc: oprofile-list <oprofile-list@lists.sourceforge.net> Cc: Robert Richter <robert.richter@amd.com> Cc: Barry Kasindorf <barry.kasindorf@amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/Kconfig')
-rw-r--r--arch/Kconfig14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index b0fabfa864ff..2651af48b2e5 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -13,6 +13,20 @@ config OPROFILE
If unsure, say N.
+config OPROFILE_IBS
+ bool "OProfile AMD IBS support (EXPERIMENTAL)"
+ default n
+ depends on OPROFILE && SMP && X86
+ help
+ Instruction-Based Sampling (IBS) is a new profiling
+ technique that provides rich, precise program performance
+ information. IBS is introduced by AMD Family10h processors
+ (AMD Opteron Quad-Core processor “Barcelona”) to overcome
+ the limitations of conventional performance counter
+ sampling.
+
+ If unsure, say N.
+
config HAVE_OPROFILE
def_bool n