diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-12-08 15:54:35 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-12-08 15:54:35 +0100 |
| commit | cc1b39dbf9f55a438e8a21a694394c20e6a17129 (patch) | |
| tree | cf48e5c871250c2bfd1d0590acd2f0569e95b950 /arch/x86/include | |
| parent | 7e0dd574cd6b1bcc818ed4251e5ceda7d8bee08f (diff) | |
| parent | 1c7d66732458dc187008e3f5b2f71e019e320fc2 (diff) | |
Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/core
Pull ftrace updates from Steve Rostedt.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/trace_clock.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/x86/include/asm/trace_clock.h b/arch/x86/include/asm/trace_clock.h new file mode 100644 index 00000000000..beab86cc282 --- /dev/null +++ b/arch/x86/include/asm/trace_clock.h @@ -0,0 +1,20 @@ +#ifndef _ASM_X86_TRACE_CLOCK_H +#define _ASM_X86_TRACE_CLOCK_H + +#include <linux/compiler.h> +#include <linux/types.h> + +#ifdef CONFIG_X86_TSC + +extern u64 notrace trace_clock_x86_tsc(void); + +# define ARCH_TRACE_CLOCKS \ + { trace_clock_x86_tsc, "x86-tsc", .in_ns = 0 }, + +#else /* !CONFIG_X86_TSC */ + +#define ARCH_TRACE_CLOCKS + +#endif + +#endif /* _ASM_X86_TRACE_CLOCK_H */ |