trace: simplify trace point registration

[dpdk.git] / doc / guides / prog_guide / trace_lib.rst

diff --git a/doc/guides/prog_guide/trace_lib.rst b/doc/guides/prog_guide/trace_lib.rst
index b6c6285..9bbfd16 100644 (file)
--- a/doc/guides/prog_guide/trace_lib.rst
+++ b/doc/guides/prog_guide/trace_lib.rst
@@ -100,12 +100,7 @@ Register the tracepoint
 
  #include <my_tracepoint.h>
 
- RTE_TRACE_POINT_DEFINE(app_trace_string);
-
- RTE_INIT(app_trace_init)
- {
-       RTE_TRACE_POINT_REGISTER(app_trace_string, app.trace.string);
- }
+ RTE_TRACE_POINT_REGISTER(app_trace_string, app.trace.string)
 
 The above code snippet registers the ``app_trace_string`` tracepoint to
 trace library. Here, the ``my_tracepoint.h`` is the header file
@@ -118,9 +113,6 @@ There is no requirement for the tracepoint function and its name to be similar.
 However, it is recommended to have a similar name for a better naming
 convention.
 
-The user must register the tracepoint before the ``rte_eal_init`` invocation.
-The user can use the ``RTE_INIT`` construction scheme to achieve this.
-
 .. note::
 
    The ``rte_trace_point_register.h`` header must be included before any
@@ -128,7 +120,7 @@ The user can use the ``RTE_INIT`` construction scheme to achieve this.
 
 .. note::
 
-   The ``RTE_TRACE_POINT_DEFINE`` defines the placeholder for the
+   The ``RTE_TRACE_POINT_REGISTER`` defines the placeholder for the
    ``rte_trace_point_t`` tracepoint object. The user must export a
    ``__<trace_function_name>`` symbol in the library ``.map`` file for this
    tracepoint to be used out of the library, in shared builds.