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AKwUvBw6btRQ5wJlX7pFYuXIwdA02/j1FVzWiL7+WgOaJffiEH9c1EuIPTGu0W4I6zCsJcwbg77CCCUDwlZITt4=@vger.kernel.org X-Gm-Message-State: APuU4Z/7i15DbdvPKsHqCmSzWVnuKXeJwtNZCDSQANJMPGM+rNll/TNS 0EaCCqxZIKLEpHcS4fwqauqn/SCFMy7tKjxloPuvuAZZxn7UQh59cUZmDB35vNxgpZQFvM/ebPN I6jBstKyeU9O9R3aSKHKS0g== X-Received: from wrui15.prod.google.com ([2002:a5d:630f:0:b0:48e:1b5c:6e55]) (user=vdonnefort job=prod-delivery.src-stubby-dispatcher) by 2002:a05:600c:3104:b0:4a2:1e1:d55 with SMTP id 5b1f17b1804b1-4b6e054955emr4701325e9.28.1793910501234; Thu, 05 Nov 2026 12:28:21 -0800 (PST) Date: Thu, 5 Nov 2026 20:28:12 +0000 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list Mime-Version: 1.0 X-Mailer: git-send-email 2.56.0.455.g6c5a503b38-goog Message-ID: <20261105202814.1350312-1-vdonnefort@google.com> Subject: [PATCH 0/2] ring-buffer: Remove unused absolute timestamp mode From: Vincent Donnefort To: rostedt@goodmis.org, mhiramat@kernel.org, linux-trace-kernel@vger.kernel.org Cc: mathieu.desnoyers@efficios.com, kernel-team@android.com, linux-kernel@vger.kernel.org, Vincent Donnefort Content-Type: text/plain; charset="UTF-8" Since commit b94bc80df648 ("tracing: Use a no_filter_buffering_ref to stop using the filter buffer"), nothing enables buffer-wide absolute timestamps on the ring buffer and userspace has no interface to set it. This series remove that dead code. Vincent Donnefort (2): ring-buffer: Remove unused absolute timestamp mode tracing/histograms: Drop stale absolute timestamp note from docs Documentation/trace/ftrace.rst | 19 ++------ Documentation/trace/histogram.rst | 11 ++--- include/linux/ring_buffer.h | 2 - kernel/trace/ring_buffer.c | 77 +++++++++---------------------- kernel/trace/trace.c | 10 +--- 5 files changed, 31 insertions(+), 88 deletions(-) base-commit: 6628e7d4c6b25c8d18f1345e3a20d21829aae7e4 -- 2.56.0.455.g6c5a503b38-goog