On Thu, Jul 19, 2018 at 11:19:54PM +0200, Peter Zijlstra wrote:
> --- a/include/uapi/linux/perf_event.h
> +++ b/include/uapi/linux/perf_event.h
> @@ -143,6 +143,8 @@ enum perf_event_sample_format {
> PERF_SAMPLE_PHYS_ADDR = 1U << 19,
>
> PERF_SAMPLE_MAX = 1U << 20, /* non-ABI */
> +
> + __PERF_SAMPLE_CALLCHAIN_EARLY = 1UL << 63,Given the kbuild test robot errors for building on 32-bit, looks like the 63 needs to be changed to 31 so it fits in an int? -- Josh
