linux-kernel - Re: [PATCH v2 2/2] perf jevents: Add support for HiSilicon CPA PMU aliasing

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Date:   Fri, 25 Feb 2022 15:34:49 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Qi Liu <liuqi115@...wei.com>
Cc:     will@...nel.org, mark.rutland@....com, john.garry@...wei.com,
        linux-perf-users@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linuxarm@...wei.com
Subject: Re: [PATCH v2 2/2] perf jevents: Add support for HiSilicon CPA PMU
 aliasing

Em Thu, Feb 24, 2022 at 07:11:29PM +0800, Qi Liu escreveu:
> Add support for HiSilicon CPA PMU aliasing.
> 
> The kernel driver is in drivers/perf/hisilicon/hisi_uncore_cpa_pmu.c

Thanks, applied the tools/perf part, the drivers/perf/ should go via the
kernel maintainer for this area. From what I see its not yet merged.

- Arnaldo

 
> Reviewed-by: John Garry <john.garry@...wei.com>
> Signed-off-by: Qi Liu <liuqi115@...wei.com>
> ---
>  .../arm64/hisilicon/hip09/sys/uncore-cpa.json | 81 +++++++++++++++++++
>  tools/perf/pmu-events/jevents.c               |  1 +
>  2 files changed, 82 insertions(+)
>  create mode 100644 tools/perf/pmu-events/arch/arm64/hisilicon/hip09/sys/uncore-cpa.json
> 
> diff --git a/tools/perf/pmu-events/arch/arm64/hisilicon/hip09/sys/uncore-cpa.json b/tools/perf/pmu-events/arch/arm64/hisilicon/hip09/sys/uncore-cpa.json
> new file mode 100644
> index 000000000000..7bcddec8a84f
> --- /dev/null
> +++ b/tools/perf/pmu-events/arch/arm64/hisilicon/hip09/sys/uncore-cpa.json
> @@ -0,0 +1,81 @@
> +[
> +	{
> +		"ConfigCode": "0x00",
> +		"EventName": "cpa_cycles",
> +		"BriefDescription": "count of CPA cycles",
> +		"Compat": "0x00000030",
> +		"Unit": "hisi_sicl,cpa"
> +	},
> +	{
> +		"ConfigCode": "0x61",
> +		"EventName": "cpa_p1_wr_dat",
> +		"BriefDescription": "Number of write ops transmitted by the P1 port",
> +		"Compat": "0x00000030",
> +		"Unit": "hisi_sicl,cpa"
> +	},
> +	{
> +		"ConfigCode": "0x62",
> +		"EventName": "cpa_p1_rd_dat",
> +		"BriefDescription": "Number of read ops transmitted by the P1 port",
> +		"Compat": "0x00000030",
> +		"Unit": "hisi_sicl,cpa"
> +	},
> +	{
> +		"ConfigCode": "0x3",
> +		"EventName": "cpa_p1_rd_dat_64b",
> +		"BriefDescription": "Number of read ops transmitted by the P1 port which size is 64 bytes",
> +		"Compat": "0x00000030",
> +		"Unit": "hisi_sicl,cpa"
> +	},
> +	{
> +		"ConfigCode": "0x4",
> +		"EventName": "cpa_p1_rd_dat_32b",
> +		"BriefDescription": "Number of read ops transmitted by the P1 port which size is 32 bytes",
> +		"Compat": "0x00000030",
> +		"Unit": "hisi_sicl,cpa"
> +	},
> +	{
> +		"ConfigCode": "0xE1",
> +		"EventName": "cpa_p0_wr_dat",
> +		"BriefDescription": "Number of write ops transmitted by the P0 port",
> +		"Compat": "0x00000030",
> +		"Unit": "hisi_sicl,cpa"
> +	},
> +	{
> +		"ConfigCode": "0xE2",
> +		"EventName": "cpa_p0_rd_dat",
> +		"BriefDescription": "Number of read ops transmitted by the P0 port",
> +		"Compat": "0x00000030",
> +		"Unit": "hisi_sicl,cpa"
> +	},
> +	{
> +		"ConfigCode": "0x83",
> +		"EventName": "cpa_p0_rd_dat_64b",
> +		"BriefDescription": "Number of read ops transmitted by the P0 port which size is 64 bytes",
> +		"Compat": "0x00000030",
> +		"Unit": "hisi_sicl,cpa"
> +	},
> +	{
> +		"ConfigCode": "0x84",
> +		"EventName": "cpa_p0_rd_dat_32b",
> +		"BriefDescription": "Number of read ops transmitted by the P0 port which size is 32 bytes",
> +		"Compat": "0x00000030",
> +		"Unit": "hisi_sicl,cpa"
> +	},
> +	{
> +		"MetricExpr": "(cpa_p1_wr_dat * 64 + cpa_p1_rd_dat_64b * 64 + cpa_p1_rd_dat_32b * 32) / cpa_cycles",
> +		"BriefDescription": "Average bandwidth of CPA Port 1",
> +		"MetricGroup": "CPA",
> +		"MetricName": "cpa_p1_avg_bw",
> +		"Compat": "0x00000030",
> +		"Unit": "hisi_sicl,cpa"
> +	},
> +	{
> +		"MetricExpr": "(cpa_p0_wr_dat * 64 + cpa_p0_rd_dat_64b * 64 + cpa_p0_rd_dat_32b * 32) / cpa_cycles",
> +		"BriefDescription": "Average bandwidth of CPA Port 0",
> +		"MetricGroup": "CPA",
> +		"MetricName": "cpa_p0_avg_bw",
> +		"Compat": "0x00000030",
> +		"Unit": "hisi_sicl,cpa"
> +	}
> +]
> diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c
> index 1a57c3f81dd4..159d9eab6e79 100644
> --- a/tools/perf/pmu-events/jevents.c
> +++ b/tools/perf/pmu-events/jevents.c
> @@ -277,6 +277,7 @@ static struct map {
>  	{ "CPU-M-CF", "cpum_cf" },
>  	{ "CPU-M-SF", "cpum_sf" },
>  	{ "UPI LL", "uncore_upi" },
> +	{ "hisi_sicl,cpa", "hisi_sicl,cpa"},
>  	{ "hisi_sccl,ddrc", "hisi_sccl,ddrc" },
>  	{ "hisi_sccl,hha", "hisi_sccl,hha" },
>  	{ "hisi_sccl,l3c", "hisi_sccl,l3c" },
> -- 
> 2.24.0

-- 

- Arnaldo