On Tue, Nov 04, 2014 at 09:56:09PM -0500, Kan Liang wrote: > From: Yan, Zheng <zheng.z....@intel.com> > > Only enable LBR callstack when user requires fp callgraph. The feature > is not available when PERF_SAMPLE_BRANCH_STACK or PERF_SAMPLE_STACK_USER > is required. > Also, this feature only affects how to get user callchain. The kernel > callchain is always got by frame pointers.
Since FP callchains should not change, this doesn't appear to make any sense either. -- 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/
