On Fri, Jan 09, 2026 at 11:29:48AM +0800, Shawn Lin wrote:

 Documentation/trace/events-pci-conotroller.rst | 41 ++++++++++++++++++++++++++

Missing toctree entry in Documentation/trace/index.rst.

+Available Tracepoints
+=====================
+
+pcie_ltssm_state_transition
+-----------------------

Please match section underline length.

+**Example Usage**:
+
+    # Enable the tracepoint
+    echo 1 > /sys/kernel/debug/tracing/events/pci/pcie_ltssm_state_transition/enable
+
+    # Monitor events (the following output is generated when a device is linking)
+    cat /sys/kernel/debug/tracing/trace_pipe
+       kworker/0:0-9       [000] .....     5.600221: pcie_ltssm_state_transition: dev: a40000000.pcie state: RCVRY_EQ2 rate: 8.0 GT/s

Wrap above example snippets in literal code block (use double colon).

Thanks.

-- 
An old man doll... just what I always wanted! - Clara