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Sun, 03 May 2026 03:16:08 -0700 (PDT) From: Cheng-Han Wu To: Jonathan Corbet , Shuah Khan Cc: Randy Dunlap , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Cheng-Han Wu Subject: [PATCH 4/4] docs: admin-guide: add IGNORE_DIRS example for cscope Date: Sun, 3 May 2026 18:14:29 +0800 Message-ID: <20260503101429.254394-5-hank20010209@gmail.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260503101429.254394-1-hank20010209@gmail.com> References: <20260503101429.254394-1-hank20010209@gmail.com> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The workload tracing guide shows how to build a cscope database by running cscope command directly. The kernel build system also provides a cscope target, which supports IGNORE_DIRS for excluding directories from the generated database. Mention make cscope and show how to exclude Documentation/ as an example. Signed-off-by: Cheng-Han Wu --- Documentation/admin-guide/workload-tracing.rst | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/admin-guide/workload-tracing.rst b/Documentation/admin-guide/workload-tracing.rst index c49c2a00a8b8..314e5f03474e 100644 --- a/Documentation/admin-guide/workload-tracing.rst +++ b/Documentation/admin-guide/workload-tracing.rst @@ -202,6 +202,15 @@ database. To get out of this mode press ctrl+d. -p option is used to specify the number of file path components to display. -p10 is optimal for browsing kernel sources. +Alternatively, the kernel build system can generate the cscope database:: + + make cscope + +To exclude directories from the generated database, pass IGNORE_DIRS to +the cscope target. For example, to exclude Documentation/, run:: + + make IGNORE_DIRS="Documentation" cscope + What is perf and how do we use it? ================================== -- 2.52.0