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Message-ID: <6ca986e4-38a0-4296-5307-e6e344c62853@linux.alibaba.com>
Date: Thu, 4 May 2023 15:18:59 +0800
From: Shuai Xue <xueshuai@...ux.alibaba.com>
To: Jing Zhang <renyu.zj@...ux.alibaba.com>,
John Garry <john.g.garry@...cle.com>,
Ian Rogers <irogers@...gle.com>, Will Deacon <will@...nel.org>
Cc: James Clark <james.clark@....com>,
Mike Leach <mike.leach@...aro.org>,
Leo Yan <leo.yan@...aro.org>,
Mark Rutland <mark.rutland@....com>,
Ilkka Koskinen <ilkka@...amperecomputing.com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
Adrian Hunter <adrian.hunter@...el.com>,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-perf-users@...r.kernel.org,
Zhuo Song <zhuo.song@...ux.alibaba.com>
Subject: Re: [PATCH v2 4/5] perf jevents: Add support for Yitian 710 DDR PMU
aliasing
On 2023/4/24 17:44, Jing Zhang wrote:
> Add support for T-HEAD Yitian 710 SoC DDR PMU aliasing.
>
> Signed-off-by: Jing Zhang <renyu.zj@...ux.alibaba.com>
> ---
> .../arm64/freescale/yitian710/sys/ali_drw.json | 373 +++++++++++++++++++++
> tools/perf/pmu-events/jevents.py | 1 +
> 2 files changed, 374 insertions(+)
> create mode 100644 tools/perf/pmu-events/arch/arm64/freescale/yitian710/sys/ali_drw.json
>
> diff --git a/tools/perf/pmu-events/arch/arm64/freescale/yitian710/sys/ali_drw.json b/tools/perf/pmu-events/arch/arm64/freescale/yitian710/sys/ali_drw.json
> new file mode 100644
> index 0000000..f17f239
> --- /dev/null
> +++ b/tools/perf/pmu-events/arch/arm64/freescale/yitian710/sys/ali_drw.json
> @@ -0,0 +1,373 @@
> +[
> + {
> + "BriefDescription": "A Write or Read Op at HIF interface. 64B",
> + "ConfigCode": "0x0",
> + "EventName": "hif_rd_or_wr",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A Write Op at HIF interface. 64B",
> + "ConfigCode": "0x1",
> + "EventName": "hif_wr",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A Read Op at HIF interface. 64B",
> + "ConfigCode": "0x2",
> + "EventName": "hif_rd",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A Read-Modify-Write Op at HIF interface. 64B",
> + "ConfigCode": "0x3",
> + "EventName": "hif_rmw",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A high priority Read at HIF interface. 64B",
> + "ConfigCode": "0x4",
> + "EventName": "hif_hi_pri_rd",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A write data cycle at DFI interface (to DRAM)",
Add an ending period to BriefDescription as you do latter.
> + "ConfigCode": "0x7",
> + "EventName": "dfi_wr_data_cycles",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A read data cycle at DFI interface (to DRAM).",
> + "ConfigCode": "0x8",
> + "EventName": "dfi_rd_data_cycles",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A high priority read becomes critical.",
> + "ConfigCode": "0x9",
> + "EventName": "hpr_xact_when_critical",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A low priority read becomes critical.",
> + "ConfigCode": "0xA",
> + "EventName": "lpr_xact_when_critical",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A write becomes critical.",
> + "ConfigCode": "0xB",
> + "EventName": "wr_xact_when_critical",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "An Activate (ACT) command to DRAM.",
> + "ConfigCode": "0xC",
> + "EventName": "op_is_activate",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A Read or Write CAS command to DRAM.",
> + "ConfigCode": "0xD",
> + "EventName": "op_is_rd_or_wr",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "An ACT command for read to DRAM.",
> + "ConfigCode": "0xE",
> + "EventName": "op_is_rd_activate",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A Read CAS command to DRAM.",
> + "ConfigCode": "0xF",
> + "EventName": "op_is_rd",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A Write CAS command to DRAM.",
> + "ConfigCode": "0x10",
> + "EventName": "op_is_wr",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A Masked Write command to DRAM.",
> + "ConfigCode": "0x11",
> + "EventName": "op_is_mwr",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A Precharge (PRE) command to DRAM.",
> + "ConfigCode": "0x12",
> + "EventName": "op_is_precharge",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A PRE required by read or write.",
A non-abbreviation format is prefered here.
> + "ConfigCode": "0x13",
> + "EventName": "precharge_for_rdwr",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A PRE required by other conditions.",
> + "ConfigCode": "0x14",
> + "EventName": "precharge_for_other",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A read-write turnaround.",
> + "ConfigCode": "0x15",
> + "EventName": "rdwr_transitions",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A write combine (merge) in write data buffer.",
> + "ConfigCode": "0x16",
> + "EventName": "write_combine",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A Write-After-Read hazard.",
> + "ConfigCode": "0x17",
> + "EventName": "war_hazard",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A Read-After-Write hazard.",
> + "ConfigCode": "0x18",
> + "EventName": "raw_hazard",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A Write-After-Write hazard.",
> + "ConfigCode": "0x19",
> + "EventName": "waw_hazard",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "Rank0 enters self-refresh (SRE).",
> + "ConfigCode": "0x1A",
> + "EventName": "op_is_enter_selfref_rk0",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "Rank1 enters self-refresh (SRE).",
> + "ConfigCode": "0x1B",
> + "EventName": "op_is_enter_selfref_rk1",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "Rank2 enters self-refresh (SRE).",
> + "ConfigCode": "0x1C",
> + "EventName": "op_is_enter_selfref_rk2",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "Rank3 enters self-refresh (SRE).",
> + "ConfigCode": "0x1D",
> + "EventName": "op_is_enter_selfref_rk3",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "Rank0 enters power-down (PDE).",
> + "ConfigCode": "0x1E",
> + "EventName": "op_is_enter_powerdown_rk0",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "Rank1 enters power-down (PDE).",
> + "ConfigCode": "0x1F",
> + "EventName": "op_is_enter_powerdown_rk1",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "Rank2 enters power-down (PDE).",
> + "ConfigCode": "0x20",
> + "EventName": "op_is_enter_powerdown_rk2",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "Rank3 enters power-down (PDE).",
> + "ConfigCode": "0x21",
> + "EventName": "op_is_enter_powerdown_rk3",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A cycle that Rank0 stays in self-refresh mode.",
> + "ConfigCode": "0x26",
> + "EventName": "selfref_mode_rk0",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A cycle that Rank1 stays in self-refresh mode.",
> + "ConfigCode": "0x27",
> + "EventName": "selfref_mode_rk1",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A cycle that Rank2 stays in self-refresh mode.",
> + "ConfigCode": "0x28",
> + "EventName": "selfref_mode_rk2",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A cycle that Rank3 stays in self-refresh mode.",
> + "ConfigCode": "0x29",
> + "EventName": "selfref_mode_rk3",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "An auto-refresh (REF) command to DRAM.",
> + "ConfigCode": "0x2A",
> + "EventName": "op_is_refresh",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A critical REF command to DRAM.",
> + "ConfigCode": "0x2B",
> + "EventName": "op_is_crit_ref",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "An MRR or MRW command to DRAM.",
> + "ConfigCode": "0x2D",
> + "EventName": "op_is_load_mode",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A ZQCal command to DRAM.",
> + "ConfigCode": "0x2E",
> + "EventName": "op_is_zqcl",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "At least one entry in read queue reaches the visible window limit.",
> + "ConfigCode": "0x30",
> + "EventName": "visible_window_limit_reached_rd",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "At least one entry in write queue reaches the visible window limit.",
> + "ConfigCode": "0x31",
> + "EventName": "visible_window_limit_reached_wr",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A DQS Oscillator MPC command to DRAM.",
> + "ConfigCode": "0x34",
> + "EventName": "op_is_dqsosc_mpc",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A DQS Oscillator MRR command to DRAM.",
> + "ConfigCode": "0x35",
> + "EventName": "op_is_dqsosc_mrr",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A TCR (Temperature Compensated Refresh) MRR command to DRAM.",
> + "ConfigCode": "0x36",
> + "EventName": "op_is_tcr_mrr",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A ZQCal Start command to DRAM.",
> + "ConfigCode": "0x37",
> + "EventName": "op_is_zqstart",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A ZQCal Latch command to DRAM.",
> + "ConfigCode": "0x38",
> + "EventName": "op_is_zqlatch",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A packet at CHI TXREQ interface (request).",
> + "ConfigCode": "0x39",
> + "EventName": "chi_txreq",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A packet at CHI TXDAT interface (read data).",
> + "ConfigCode": "0x3A",
> + "EventName": "chi_txdat",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A packet at CHI RXDAT interface (write data).",
> + "ConfigCode": "0x3B",
> + "EventName": "chi_rxdat",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A packet at CHI RXRSP interface.",
> + "ConfigCode": "0x3C",
> + "EventName": "chi_rxrsp",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "A violation detected in TZC.",
> + "ConfigCode": "0x3D",
> + "EventName": "tsz_vio",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + },
> + {
> + "BriefDescription": "The ddr cycle.",
> + "ConfigCode": "0x80",
> + "EventName": "cycle",
> + "Unit": "ali_drw",
> + "Compat": "ali_drw_pmu"
> + }
> +]
> diff --git a/tools/perf/pmu-events/jevents.py b/tools/perf/pmu-events/jevents.py
> index 7cff2c6..aff4051 100755
> --- a/tools/perf/pmu-events/jevents.py
> +++ b/tools/perf/pmu-events/jevents.py
> @@ -257,6 +257,7 @@ class JsonEvent:
> 'cpu_core': 'cpu_core',
> 'cpu_atom': 'cpu_atom',
> 'arm_cmn': 'arm_cmn',
> + 'ali_drw': 'ali_drw',
> }
> return table[unit] if unit in table else f'uncore_{unit.lower()}'
>
Otherwise, LGTM.
Reviewed-by: Shuai Xue <xueshuai@...ux.alibaba.com>
Best Regards,
Shuai
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