[PATCH v2 4/4] perf vendor events arm64: Add implementation defined pmu core events of ThunderX2
Will Deacon
will.deacon at arm.com
Fri Apr 28 13:20:43 EDT 2017
On Fri, Apr 28, 2017 at 10:23:47AM +0530, Ganapatrao Kulkarni wrote:
> This is not a full event list, but a short list of useful events.
>
> Signed-off-by: Ganapatrao Kulkarni <ganapatrao.kulkarni at cavium.com>
> ---
> tools/perf/pmu-events/arch/arm64/mapfile.csv | 14 +++++
> .../arm64/thunderx2/implementation-defined.json | 62 ++++++++++++++++++++++
> 2 files changed, 76 insertions(+)
> create mode 100644 tools/perf/pmu-events/arch/arm64/mapfile.csv
> create mode 100644 tools/perf/pmu-events/arch/arm64/thunderx2/implementation-defined.json
>
> diff --git a/tools/perf/pmu-events/arch/arm64/mapfile.csv b/tools/perf/pmu-events/arch/arm64/mapfile.csv
> new file mode 100644
> index 0000000..bc9f798
> --- /dev/null
> +++ b/tools/perf/pmu-events/arch/arm64/mapfile.csv
> @@ -0,0 +1,14 @@
> +# Format:
> +# MIDR,Version,JSON/file/pathname,Type
> +#
> +# where
> +# MIDR Processor version
> +# Version could be used to track version of of JSON file
> +# but currently unused.
> +# JSON/file/pathname is the path to JSON file, relative
> +# to tools/perf/pmu-events/arch/arm64/.
> +# Type is core, uncore etc
> +#
> +#
> +#Family-model,Version,Filename,EventType
> +0x00000000420f5161,v1,thunderx2,core
In general, I don't think we want to require an exact match on the whole
MIDR here. Specifically, we'd want to mask out the Variant and Revision
fields for ARM CPUs, to avoid having to update the mapfile all the time.
Is it possible to support wildcarding in the MIDR match?
Will
More information about the linux-arm-kernel
mailing list