Messages in this thread | | | Date | Wed, 24 Sep 2014 12:50:24 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH V5 01/16] perf, x86: Reduce lbr_sel_map size |
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On Wed, Sep 10, 2014 at 10:08:58AM -0400, kan.liang@intel.com wrote: > From: Kan Liang <kan.liang@intel.com>
Uhm, I'm very sure Zheng Yan wrote this.. you cannot just add your from on that.
> > The index of lbr_sel_map is bit value of perf branch_sample_type. > PERF_SAMPLE_BRANCH_MAX is 1024 at present, so each lbr_sel_map uses > 4096 bytes. By using bit shift as index, we can reduce lbr_sel_map > size to 40 bytes. This patch defines 'bit shift' for branch types, > and use 'bit shift' to define lbr_sel_maps. > > Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com> > Reviewed-by: Stephane Eranian <eranian@google.com>
And you're sending me this patch, so I would have expected a SoB from you here.
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