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Diffstat (limited to 'include/trace/trace_events.h')
-rw-r--r--include/trace/trace_events.h31
1 files changed, 21 insertions, 10 deletions
diff --git a/include/trace/trace_events.h b/include/trace/trace_events.h
index 7785961d82ba..8268bf747d6f 100644
--- a/include/trace/trace_events.h
+++ b/include/trace/trace_events.h
@@ -231,9 +231,11 @@ TRACE_MAKE_SYSTEM_STR();
* {
* struct trace_seq *s = &iter->seq;
* struct trace_event_raw_<call> *field; <-- defined in stage 1
- * struct trace_entry *entry;
* struct trace_seq *p = &iter->tmp_seq;
- * int ret;
+ *
+ * -------(for event)-------
+ *
+ * struct trace_entry *entry;
*
* entry = iter->ent;
*
@@ -245,14 +247,23 @@ TRACE_MAKE_SYSTEM_STR();
* field = (typeof(field))entry;
*
* trace_seq_init(p);
- * ret = trace_seq_printf(s, "%s: ", <call>);
- * if (ret)
- * ret = trace_seq_printf(s, <TP_printk> "\n");
- * if (!ret)
- * return TRACE_TYPE_PARTIAL_LINE;
+ * return trace_output_call(iter, <call>, <TP_printk> "\n");
*
- * return TRACE_TYPE_HANDLED;
- * }
+ * ------(or, for event class)------
+ *
+ * int ret;
+ *
+ * field = (typeof(field))iter->ent;
+ *
+ * ret = trace_raw_output_prep(iter, trace_event);
+ * if (ret != TRACE_TYPE_HANDLED)
+ * return ret;
+ *
+ * trace_event_printf(iter, <TP_printk> "\n");
+ *
+ * return trace_handle_return(s);
+ * -------
+ * }
*
* This is the method used to print the raw event to the trace
* output format. Note, this is not needed if the data is read
@@ -364,7 +375,7 @@ trace_raw_output_##call(struct trace_iterator *iter, int flags, \
if (ret != TRACE_TYPE_HANDLED) \
return ret; \
\
- trace_seq_printf(s, print); \
+ trace_event_printf(iter, print); \
\
return trace_handle_return(s); \
} \