[PATCH v4 18/18] Documentation/kernel-parameters: Add trace_remote

Vincent Donnefort <[email protected]> Tue, 4 Aug 2026 15:03:33 +0100
Newsgroups org.kernel.vger.linux-trace-kernel,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
The trace_remote parameter allows configuring a trace remote on
registration. The syntax is similar to trace_instance.

Signed-off-by: Vincent Donnefort <[email protected]>

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index b5493a7f8f22..3c1cf3025925 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -7787,6 +7787,25 @@ Kernel parameters
 			See also Documentation/trace/ftrace.rst "trace options"
 			section.
 
+	trace_remote=[remote-info]
+			[FTRACE] Configure a trace remote instance at boot.
+			Format: <name>[^option1[^option2...]][,event1[,event2...]]
+
+			Supported options:
+
+			dump_on_panic   - Enable dumping the trace buffer on
+					  panic.
+			dmesg           - Redirect tracing output to dmesg.
+			buf_size=<size> - Set the trace buffer size (e.g. 2M).
+			poll=<ms>       - Set the trace remote polling interval
+					  in milliseconds.
+
+			Events are a comma-separated list of events to enable.
+			If events are specified, tracing is automatically enabled.
+
+			Multiple remotes can be configured by specifying this
+			parameter multiple times.
+
 	trace_trigger=[trigger-list]
 			[FTRACE] Add an event trigger on specific events.
 			Set a trigger on top of a specific event, with an optional
-- 
2.55.0.571.g244d577d93-goog