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| author | Robert Richter <robert.richter@amd.com> | 2008-07-22 21:09:06 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-26 11:48:13 +0200 |
| commit | 852402cc27bfa1200164e9e8dc7f6e5f0a4fbd46 (patch) | |
| tree | 0194e23373230888de9115f5ffaacb09e005b57a /arch/Kconfig | |
| parent | 6aa360e6c16c145edf1837690e0f7aaea6b86ef3 (diff) | |
| download | lwn-852402cc27bfa1200164e9e8dc7f6e5f0a4fbd46.tar.gz lwn-852402cc27bfa1200164e9e8dc7f6e5f0a4fbd46.zip | |
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/Kconfig | 14 |
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 |