[RFC][PATCH v6 3/5] trace/README: Document objtrace trigger syntax

[Jeff Xie]

Add a short description of the use of objtrace trigger.

Signed-off-by: Jeff Xie <xiehuan09@xxxxxxxxx>
---
 kernel/trace/trace.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 88de94da596b..a84b6813769e 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -5590,6 +5590,9 @@ static const char readme_msg[] =
 	"\t            enable_hist:<system>:<event>\n"
 	"\t            disable_hist:<system>:<event>\n"
 #endif
+#ifdef CONFIG_TRACE_OBJECT
+	"\t            objtrace:add:obj[,offset][:type][:count][if <filter>]\n"
+#endif
 #ifdef CONFIG_STACKTRACE
 	"\t\t    stacktrace\n"
 #endif
-- 
2.25.1