linux-kernel - Re: [v2] perf arch events: Fix duplicate RISC-V SBI firmware event name

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Message-Id: <20240729181927.1712841-1-atishp@rivosinc.com>
Date: Mon, 29 Jul 2024 11:19:27 -0700
From: Atish Patra <atishp@...osinc.com>
To: eric.lin@...ive.com
Cc: peterz@...radead.org,
	mingo@...hat.com,
	acme@...nel.org,
	namhyung@...nel.org,
	alexander.shishkin@...ux.intel.com,
	jolsa@...nel.org,
	irogers@...gle.com,
	palmer@...belt.com,
	aou@...s.berkeley.edu,
	peterlin@...estech.com,
	dminus@...estech.com,
	locus84@...estech.com,
	jisheng.teoh@...rfivetech.com,
	inochiama@...look.com,
	n.shubin@...ro.com,
	linux-perf-users@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	Samuel Holland <samuel.holland@...ive.com>,
	Atish Patra <atishp@...osinc.com>
Subject: Re: [v2] perf arch events: Fix duplicate RISC-V SBI firmware event name

> Currently, the RISC-V firmware JSON file has duplicate event name
> "FW_SFENCE_VMA_RECEIVED". According to the RISC-V SBI PMU extension[1],
> the event name should be "FW_SFENCE_VMA_ASID_SENT".
> 
> Before this patch:
> $ perf list
> 
> firmware:
>   fw_access_load
>        [Load access trap event. Unit: cpu]
>   fw_access_store
>        [Store access trap event. Unit: cpu]
> ....
>  fw_set_timer
>        [Set timer event. Unit: cpu]
>   fw_sfence_vma_asid_received
>        [Received SFENCE.VMA with ASID request from other HART event. Unit: cpu]
>   fw_sfence_vma_received
>        [Sent SFENCE.VMA with ASID request to other HART event. Unit: cpu]
> 
> After this patch:
> $ perf list
> 
> firmware:
>   fw_access_load
>        [Load access trap event. Unit: cpu]
>   fw_access_store
>        [Store access trap event. Unit: cpu]
> .....
>   fw_set_timer
>        [Set timer event. Unit: cpu]
>   fw_sfence_vma_asid_received
>        [Received SFENCE.VMA with ASID request from other HART event. Unit: cpu]
>   fw_sfence_vma_asid_sent
>        [Sent SFENCE.VMA with ASID request to other HART event. Unit: cpu]
>   fw_sfence_vma_received
>        [Received SFENCE.VMA request from other HART event. Unit: cpu]
> 
> Link: https://github.com/riscv-non-isa/riscv-sbi-doc/blob/master/src/ext-pmu.adoc#event-firmware-events-type-15 [1]
> Fixes: 8f0dcb4e7364 ("perf arch events: riscv sbi firmware std event files")
> Fixes: c4f769d4093d ("perf vendor events riscv: add Sifive U74 JSON file")
> Fixes: acbf6de674ef ("perf vendor events riscv: Add StarFive Dubhe-80 JSON file")
> Fixes: 7340c6df49df ("perf vendor events riscv: add T-HEAD C9xx JSON file")
> Fixes: f5102e31c209 ("riscv: andes: Support specifying symbolic firmware and hardware raw event")
> Signed-off-by: Eric Lin <eric.lin@...ive.com>
> Reviewed-by: Samuel Holland <samuel.holland@...ive.com>
> Reviewed-by: Nikita Shubin <n.shubin@...ro.com>
> ---
> Changes since V1:
>  - Add "Fixes:" tag for every patch that copied firmware.json
> ---
>  tools/perf/pmu-events/arch/riscv/andes/ax45/firmware.json       | 2 +-
>  tools/perf/pmu-events/arch/riscv/riscv-sbi-firmware.json        | 2 +-
>  tools/perf/pmu-events/arch/riscv/sifive/u74/firmware.json       | 2 +-
>  .../perf/pmu-events/arch/riscv/starfive/dubhe-80/firmware.json  | 2 +-
>  .../perf/pmu-events/arch/riscv/thead/c900-legacy/firmware.json  | 2 +-
>  5 files changed, 5 insertions(+), 5 deletions(-)
> diff --git a/tools/perf/pmu-events/arch/riscv/andes/ax45/firmware.json b/tools/perf/pmu-events/arch/riscv/andes/ax45/firmware.json
> index 9b4a032186a7..7149caec4f80 100644
> --- a/tools/perf/pmu-events/arch/riscv/andes/ax45/firmware.json
> +++ b/tools/perf/pmu-events/arch/riscv/andes/ax45/firmware.json
> @@ -36,7 +36,7 @@
>      "ArchStdEvent": "FW_SFENCE_VMA_RECEIVED"
>    },
>    {
> -    "ArchStdEvent": "FW_SFENCE_VMA_RECEIVED"
> +    "ArchStdEvent": "FW_SFENCE_VMA_ASID_SENT"
>    },
>    {
>      "ArchStdEvent": "FW_SFENCE_VMA_ASID_RECEIVED"
> diff --git a/tools/perf/pmu-events/arch/riscv/riscv-sbi-firmware.json b/tools/perf/pmu-events/arch/riscv/riscv-sbi-firmware.json
> index a9939823b14b..0c9b9a2d2958 100644
> --- a/tools/perf/pmu-events/arch/riscv/riscv-sbi-firmware.json
> +++ b/tools/perf/pmu-events/arch/riscv/riscv-sbi-firmware.json
> @@ -74,7 +74,7 @@
>    {
>      "PublicDescription": "Sent SFENCE.VMA with ASID request to other HART event",
>      "ConfigCode": "0x800000000000000c",
> -    "EventName": "FW_SFENCE_VMA_RECEIVED",
> +    "EventName": "FW_SFENCE_VMA_ASID_SENT",
>      "BriefDescription": "Sent SFENCE.VMA with ASID request to other HART event"
>    },
>    {
> diff --git a/tools/perf/pmu-events/arch/riscv/sifive/u74/firmware.json b/tools/perf/pmu-events/arch/riscv/sifive/u74/firmware.json
> index 9b4a032186a7..7149caec4f80 100644
> --- a/tools/perf/pmu-events/arch/riscv/sifive/u74/firmware.json
> +++ b/tools/perf/pmu-events/arch/riscv/sifive/u74/firmware.json
> @@ -36,7 +36,7 @@
>      "ArchStdEvent": "FW_SFENCE_VMA_RECEIVED"
>    },
>    {
> -    "ArchStdEvent": "FW_SFENCE_VMA_RECEIVED"
> +    "ArchStdEvent": "FW_SFENCE_VMA_ASID_SENT"
>    },
>    {
>      "ArchStdEvent": "FW_SFENCE_VMA_ASID_RECEIVED"
> diff --git a/tools/perf/pmu-events/arch/riscv/starfive/dubhe-80/firmware.json b/tools/perf/pmu-events/arch/riscv/starfive/dubhe-80/firmware.json
> index 9b4a032186a7..7149caec4f80 100644
> --- a/tools/perf/pmu-events/arch/riscv/starfive/dubhe-80/firmware.json
> +++ b/tools/perf/pmu-events/arch/riscv/starfive/dubhe-80/firmware.json
> @@ -36,7 +36,7 @@
>      "ArchStdEvent": "FW_SFENCE_VMA_RECEIVED"
>    },
>    {
> -    "ArchStdEvent": "FW_SFENCE_VMA_RECEIVED"
> +    "ArchStdEvent": "FW_SFENCE_VMA_ASID_SENT"
>    },
>    {
>      "ArchStdEvent": "FW_SFENCE_VMA_ASID_RECEIVED"
> diff --git a/tools/perf/pmu-events/arch/riscv/thead/c900-legacy/firmware.json b/tools/perf/pmu-events/arch/riscv/thead/c900-legacy/firmware.json
> index 9b4a032186a7..7149caec4f80 100644
> --- a/tools/perf/pmu-events/arch/riscv/thead/c900-legacy/firmware.json
> +++ b/tools/perf/pmu-events/arch/riscv/thead/c900-legacy/firmware.json
> @@ -36,7 +36,7 @@
>      "ArchStdEvent": "FW_SFENCE_VMA_RECEIVED"
>    },
>    {
> -    "ArchStdEvent": "FW_SFENCE_VMA_RECEIVED"
> +    "ArchStdEvent": "FW_SFENCE_VMA_ASID_SENT"
>    },
>    {
>      "ArchStdEvent": "FW_SFENCE_VMA_ASID_RECEIVED"
> 

Reviewed-by: Atish Patra <atishp@...osinc.com>