lkml.org 
[lkml]   [2018]   [Jul]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] perf/x86/intel: Fix unwind errors from PEBS entries (mk-II)
On Mon, Jul 23, 2018 at 08:30:06AM -0500, Josh Poimboeuf wrote:
> 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?

I made it 1ULL << 63. The actual field (perf_event_attr::sample_type is
u64).

\
 
 \ /
  Last update: 2018-07-23 16:15    [W:0.111 / U:1.820 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site