Adrien BAK <adrien....@metascale.org> writes: > > This looks promising, although I couldn't find any useful > documentation on this. Do you know if the perf userland tool allows > for this kind of slave-sampling or if I have to build my own tool > around the perf_event API ?
perf record supports it (with :S), but none of the reporting tools unfortunately. However keep in mind that very rapid sampling of RAPL is not likely to give useful results. The data only really makes sense over longer intervals. -Andi -- a...@linux.intel.com -- Speaking for myself only -- To unsubscribe from this list: send the line "unsubscribe linux-perf-users" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html