Re: [PATCH V2 1/1] perf hists: clear dummy entry accumulated period

2016-04-25 Thread Jiri Olsa
On Fri, Apr 22, 2016 at 12:58:58AM -0700, kan.li...@intel.com wrote: > From: Kan Liang > > The accumulated period for dummy entry should also be 0. > Otherwise, the total overhead could be overcounted. > [perf]$ perf record -e '{LLC-load-misses,cpu/instructions/}' > --call-graph=lbr ./tchain > [p

[PATCH V2 1/1] perf hists: clear dummy entry accumulated period

2016-04-22 Thread kan . liang
From: Kan Liang The accumulated period for dummy entry should also be 0. Otherwise, the total overhead could be overcounted. [perf]$ perf record -e '{LLC-load-misses,cpu/instructions/}' --call-graph=lbr ./tchain [perf]$ perf report --stdio # To display the perf.data header info, please use --he