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-rw-r--r--docs/tracing.txt8
1 files changed, 3 insertions, 5 deletions
diff --git a/docs/tracing.txt b/docs/tracing.txt
index d0171aabda..2c33a62b98 100644
--- a/docs/tracing.txt
+++ b/docs/tracing.txt
@@ -70,11 +70,6 @@ Trace events should use types as follows:
cannot include all user-defined struct declarations and it is therefore
necessary to use void * for pointers to structs.
- Pointers (including char *) cannot be dereferenced easily (or at all) in
- some trace backends. If pointers are used, ensure they are meaningful by
- themselves and do not assume the data they point to will be traced. Do
- not pass in string arguments.
-
* For everything else, use primitive scalar types (char, int, long) with the
appropriate signedness.
@@ -182,6 +177,9 @@ source tree. It may not be as powerful as platform-specific or third-party
trace backends but it is portable. This is the recommended trace backend
unless you have specific needs for more advanced backends.
+The "simple" backend currently does not capture string arguments, it simply
+records the char* pointer value instead of the string that is pointed to.
+
==== Monitor commands ====
* info trace