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Wed, 26 Jun 2024 01:28:48 +0000 Received: from BY5PR10MB4306.namprd10.prod.outlook.com ([fe80::b78:9645:2435:cf1b]) by BY5PR10MB4306.namprd10.prod.outlook.com ([fe80::b78:9645:2435:cf1b%5]) with mapi id 15.20.7698.025; Wed, 26 Jun 2024 01:28:48 +0000 From: allison.henderson@oracle.com To: netdev@vger.kernel.org Cc: linux-kselftest@vger.kernel.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, oberpar@linux.ibm.com, chuck.lever@oracle.com, vegard.nossum@oracle.com, Allison Henderson Subject: [PATCH net-next v1 2/3] net: rds: add option for GCOV profiling Date: Tue, 25 Jun 2024 18:28:33 -0700 Message-Id: <20240626012834.5678-3-allison.henderson@oracle.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240626012834.5678-1-allison.henderson@oracle.com> References: <20240626012834.5678-1-allison.henderson@oracle.com> X-ClientProxiedBy: BYAPR21CA0027.namprd21.prod.outlook.com (2603:10b6:a03:114::37) To BY5PR10MB4306.namprd10.prod.outlook.com (2603:10b6:a03:211::7) Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BY5PR10MB4306:EE_|SJ2PR10MB7057:EE_ X-MS-Office365-Filtering-Correlation-Id: f61d1dc8-14e6-4df8-14cc-08dc957f53a2 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230038|366014|376012|1800799022; 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This patch borrows heavily from how CONFIG_GCOV_PROFILE_FTRACE is implemented Reviewed-by: Chuck Lever Signed-off-by: Vegard Nossum Signed-off-by: Allison Henderson --- net/rds/Kconfig | 9 +++++++++ net/rds/Makefile | 5 +++++ 2 files changed, 14 insertions(+) diff --git a/net/rds/Kconfig b/net/rds/Kconfig index 75cd696963b2..f007730aa2bb 100644 --- a/net/rds/Kconfig +++ b/net/rds/Kconfig @@ -26,3 +26,12 @@ config RDS_DEBUG bool "RDS debugging messages" depends on RDS default n + +config GCOV_PROFILE_RDS + bool "Enable GCOV profiling on RDS" + depends on GCOV_KERNEL + help + Enable GCOV profiling on RDS for checking which functions/lines + are executed. + + If unsure, say N. diff --git a/net/rds/Makefile b/net/rds/Makefile index 8fdc118e2927..3af1ca1d965c 100644 --- a/net/rds/Makefile +++ b/net/rds/Makefile @@ -15,3 +15,8 @@ rds_tcp-y := tcp.o tcp_connect.o tcp_listen.o tcp_recv.o \ tcp_send.o tcp_stats.o ccflags-$(CONFIG_RDS_DEBUG) := -DRDS_DEBUG + +# for GCOV coverage profiling +ifdef CONFIG_GCOV_PROFILE_RDS +GCOV_PROFILE := y +endif