On Tue, Dec 15, 2015 at 04:54:18PM -0800, Andi Kleen wrote: > From: Andi Kleen <a...@linux.intel.com> > > When an event alias is used that the kernel marked as .agg-per-core, force > --per-core mode (and also require -a and forbid cgroups or per thread mode). > This in term means, --topdown forces --per-core mode. > > This is needed for TopDown in SMT mode, because it needs to measure > all threads in a core together and merge the values to compute the correct > percentages of how the pipeline is limited. > > We do this if any alias is agg-per-core. > > Add the code to parse the .agg-per-core attributes and propagate > the information to the evsel. Then the main stat code does > the necessary checks and forces per core mode.
please split it into 2 patches: - support .aggr-per-core alias parsing - force --per-core mode for .agg-per-core aliases thanks, jirka -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
