[PATCH 0/5] powerpc, perf: BHRB based branch stack enablement on POWER8

Branch History Rolling Buffer (BHRB) is a new PMU feaure in IBM POWER8 processor which records the branch instructions inside the execution pipeline. This patchset enables the basic functionality of the feature through generic perf branch stack sampling framework. Sample output

[PATCH 0/5] powerpc, perf: BHRB based branch stack enablement on POWER8

Branch History Rolling Buffer (BHRB) is a new PMU feaure in IBM POWER8 processor which records the branch instructions inside the execution pipeline. This patchset enables the basic functionality of the feature through generic perf branch stack sampling framework. Sample output