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Thu, 05 Jun 2025 03:50:10 -0700 (PDT) Received: from ho-tower-lan.lan ([37.18.136.128]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-451f990cfe3sm20629965e9.23.2025.06.05.03.50.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Jun 2025 03:50:10 -0700 (PDT) From: James Clark Date: Thu, 05 Jun 2025 11:49:04 +0100 Subject: [PATCH v3 06/10] perf: Add perf_event_attr::config4 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250605-james-perf-feat_spe_eft-v3-6-71b0c9f98093@linaro.org> References: <20250605-james-perf-feat_spe_eft-v3-0-71b0c9f98093@linaro.org> In-Reply-To: <20250605-james-perf-feat_spe_eft-v3-0-71b0c9f98093@linaro.org> To: Catalin Marinas , Will Deacon , Mark Rutland , Jonathan Corbet , Marc Zyngier , Oliver Upton , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , leo.yan@arm.com Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-doc@vger.kernel.org, kvmarm@lists.linux.dev, James Clark X-Mailer: b4 0.14.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250605_035012_498794_E09CD17F X-CRM114-Status: GOOD ( 13.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Arm FEAT_SPE_FDS adds the ability to filter on the data source of a packet using another 64-bits of event filtering control. As the existing perf_event_attr::configN fields are all used up for SPE PMU, an additional field is needed. Add a new 'config4' field. Reviewed-by: Leo Yan Tested-by: Leo Yan Signed-off-by: James Clark --- include/uapi/linux/perf_event.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h index 78a362b80027..0d0ed85ad8cb 100644 --- a/include/uapi/linux/perf_event.h +++ b/include/uapi/linux/perf_event.h @@ -382,6 +382,7 @@ enum perf_event_read_format { #define PERF_ATTR_SIZE_VER6 120 /* Add: aux_sample_size */ #define PERF_ATTR_SIZE_VER7 128 /* Add: sig_data */ #define PERF_ATTR_SIZE_VER8 136 /* Add: config3 */ +#define PERF_ATTR_SIZE_VER9 144 /* add: config4 */ /* * 'struct perf_event_attr' contains various attributes that define @@ -543,6 +544,7 @@ struct perf_event_attr { __u64 sig_data; __u64 config3; /* extension of config2 */ + __u64 config4; /* extension of config3 */ }; /* -- 2.34.1