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author | Ingo Molnar <mingo@elte.hu> | 2008-12-13 09:00:03 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-12-14 20:30:48 +0100 |
commit | ee06094f8279e1312fc0a31591320cc7b6f0ab1e (patch) | |
tree | aecf8f2177b2398e4db8df68a9705009b31a8ef7 /arch/x86/Kconfig | |
parent | 9b194e831fb2c322ed81a373e49620f34edc2778 (diff) | |
download | lwn-ee06094f8279e1312fc0a31591320cc7b6f0ab1e.tar.gz lwn-ee06094f8279e1312fc0a31591320cc7b6f0ab1e.zip |
perfcounters: restructure x86 counter math
Impact: restructure code
Change counter math from absolute values to clear delta logic.
We try to extract elapsed deltas from the raw hw counter - and put
that into the generic counter.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r-- | arch/x86/Kconfig | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index f2fdc1867241..fe94490bab61 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -643,7 +643,7 @@ config X86_UP_IOAPIC config X86_LOCAL_APIC def_bool y depends on X86_64 || (X86_32 && (X86_UP_APIC || (SMP && !X86_VOYAGER) || X86_GENERICARCH)) - select HAVE_PERF_COUNTERS + select HAVE_PERF_COUNTERS if (!M386 && !M486) config X86_IO_APIC def_bool y |