diff options
Diffstat (limited to 'kernel/tools/perf/arch/x86/util/tsc.h')
| -rw-r--r-- | kernel/tools/perf/arch/x86/util/tsc.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/kernel/tools/perf/arch/x86/util/tsc.h b/kernel/tools/perf/arch/x86/util/tsc.h new file mode 100644 index 000000000..2edc4d310 --- /dev/null +++ b/kernel/tools/perf/arch/x86/util/tsc.h @@ -0,0 +1,17 @@ +#ifndef TOOLS_PERF_ARCH_X86_UTIL_TSC_H__ +#define TOOLS_PERF_ARCH_X86_UTIL_TSC_H__ + +#include <linux/types.h> + +struct perf_tsc_conversion { + u16 time_shift; + u32 time_mult; + u64 time_zero; +}; + +struct perf_event_mmap_page; + +int perf_read_tsc_conversion(const struct perf_event_mmap_page *pc, + struct perf_tsc_conversion *tc); + +#endif /* TOOLS_PERF_ARCH_X86_UTIL_TSC_H__ */ |