Sukadev Bhattiprolu [suka...@linux.vnet.ibm.com] wrote: | CPUs support a large number of performance monitoring events (PMU events) | and often these events are very specific to an architecture/model of the | CPU. To use most of these PMU events with perf, we currently have to identify | them by their raw codes: | | perf stat -e r100f2 sleep 1 | | This patchset allows architectures to specify these PMU events in JSON | files located in 'tools/perf/pmu-events/arch/' of the mainline tree. | The events from the JSON files for the architecture are then built into | the perf binary. | | At run time, perf identifies the specific set of events for the CPU and | creates "event aliases". These aliases allow users to specify events by | "name" as: | | perf stat -e pm_1plus_ppc_cmpl sleep 1 | | The file, 'tools/perf/pmu-events/README' in [PATCH 19/19] gives more | details. | | Note: | - All known events tables for the architecture are included in the | perf binary. | | - For architectures that don't have any JSON files, an empty mapping | table is created and they should continue to build) | | Thanks to input from Andi Kleen, Jiri Olsa, Namhyung Kim and Ingo Molnar. | | These patches are available from: | | https://github.com:sukadev/linux.git | | Branch Description | ------------------------------------------------------ | json-v15 Source Code only | json-files-5 x86 and Powerpc datafiles only | json-v15-with-data Both code and data (build/test) | | NOTE: Only "source code" patches (i.e those in json-v15) are being emailed. | Please pull the "data files" from the json-files-5 branch.
Ingo, Arnaldo, Any updates on this patchset? They have been reviewed/acked by Jiri and we have not received any comments since then. Is there a chance this can make it into 4.3? Sukadev _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
