[PATCH 4/4] perf: Add power8 PMU events in JSON format

Namhyung Kim namhyung at kernel.org
Wed May 27 23:59:28 AEST 2015


On Tue, May 19, 2015 at 05:02:10PM -0700, Sukadev Bhattiprolu wrote:
> The power8.json and 004d0100.json files describe the PMU events in the
> Power8 processor.
> 
> The jevents program from the prior patches will use these JSON files
> to create tables which will then be used in perf to build aliases for
> PMU events. This in turn would allow users to specify these PMU events
> by name:
> 
> 	$ perf stat -e pm_1plus_ppc_cmpl sleep 1
> 
> Signed-off-by: Sukadev Bhattiprolu <sukadev at linux.vnet.ibm.com>
> ---

[SNIP]
> +  {
> +    "EventCode": "0x2505e",
> +    "EventName": "PM_BACK_BR_CMPL",
> +    "BriefDescription": "Branch instruction completed with a target address less than current instruction address,",
> +    "PublicDescription": "Branch instruction completed with a target address less than current instruction address.,"

Can't we remove PublicDescription field if it's identical to
BriefDescription?  It seems just wasting spaces..

Thanks,
Namhyung


> +  },
> +  {
> +    "EventCode": "0x4082",
> +    "EventName": "PM_BANK_CONFLICT",
> +    "BriefDescription": "Read blocked due to interleave conflict. The ifar logic will detect an interleave conflict and kill the data that was read that cycle.,",
> +    "PublicDescription": "Read blocked due to interleave conflict. The ifar logic will detect an interleave conflict and kill the data that was read that cycle.,"
> +  },
> +  {
> +    "EventCode": "0x10068",
> +    "EventName": "PM_BRU_FIN",
> +    "BriefDescription": "Branch Instruction Finished,",
> +    "PublicDescription": "Branch Instruction Finished .,"
> +  },
> +  {
> +    "EventCode": "0x20036",
> +    "EventName": "PM_BR_2PATH",
> +    "BriefDescription": "two path branch,",
> +    "PublicDescription": "two path branch.,"
> +  },
> +  {
> +    "EventCode": "0x5086",
> +    "EventName": "PM_BR_BC_8",
> +    "BriefDescription": "Pairable BC+8 branch that has not been converted to a Resolve Finished in the BRU pipeline,",
> +    "PublicDescription": "Pairable BC+8 branch that has not been converted to a Resolve Finished in the BRU pipeline,"
> +  },
> +  {
> +    "EventCode": "0x5084",
> +    "EventName": "PM_BR_BC_8_CONV",
> +    "BriefDescription": "Pairable BC+8 branch that was converted to a Resolve Finished in the BRU pipeline.,",
> +    "PublicDescription": "Pairable BC+8 branch that was converted to a Resolve Finished in the BRU pipeline.,"
> +  },


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