Documentation/rtla: Document --stack-format option

Add documentation for --stack-format option of rtla-timerlat into its
common options.

Reviewed-by: Wander Lairson Costa <wander@redhat.com>
Link: https://lore.kernel.org/r/20260119115222.744150-2-tglozar@redhat.com
Signed-off-by: Tomas Glozar <tglozar@redhat.com>

diff --git a/Documentation/tools/rtla/common_timerlat_options.txt b/Documentation/tools/rtla/common_timerlat_options.txt
index 07a285fcf7cf7f91d2f3bd1a008cb8069029c5f3..ab159b2cbfe7ad9c786a372ddae33a7f24eb6a85 100644 (file)
--- a/Documentation/tools/rtla/common_timerlat_options.txt
+++ b/Documentation/tools/rtla/common_timerlat_options.txt
@@ -83,3 +83,15 @@
 
         **Note**: BPF actions require BPF support to be available. If BPF is not available
         or disabled, the tool falls back to tracefs mode and BPF actions are not supported.
+
+**--stack-format** *format*
+
+        Adjust the format of the stack trace printed during auto-analysis.
+
+        The supported values for *format* are:
+
+        * **truncate**    Print the stack trace up to the first unknown address (default).
+        * **skip**        Skip unknown addresses.
+        * **full**        Print the entire stack trace, including unknown addresses.
+
+        For unknown addresses, the raw pointer is printed.