lkml.org 
[lkml]   [2014]   [Nov]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/2] perf tools: Construct LBR call chain
On Thu, Nov 06, 2014 at 09:58:06AM -0500, kan.liang@intel.com wrote:

SNIP

> + callchain_nr = i + 1;
> + }
> + }
> +
> + printf("... chain: nr:%" PRIu64 "\n", total_nr);
> +
> + for (i = 0; i < callchain_nr + 1; i++)
> printf("..... %2d: %016" PRIx64 "\n",
> i, sample->callchain->ips[i]);
> +
> + if (total_nr > callchain_nr) {
> + struct branch_stack *lbr_stack = sample->branch_stack;
> +
> + for (i = 0; i < lbr_stack->nr; i++)
> + printf("..... %2d: %016" PRIx64 "\n",
> + (int)(i + callchain_nr + 1), lbr_stack->entries[i].from);

could u describe in comment why only ->from entries are interesting?

thanks,
jirka


\
 
 \ /
  Last update: 2014-11-12 10:41    [W:0.125 / U:0.148 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site