X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=kernel%2Ftrace%2Ftrace.c;h=c59dd35a6da5c561a4297202e3970e4e5f6e5b86;hb=d842bc6c0579ca7643eed029beabab3ac562a335;hp=f8b80b5bab712cd6503dd448f02073f0a8cd6664;hpb=40226a3d96ef8ab8980f032681c8bfd46d63874e;p=linux-2.6-microblaze.git

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index f8b80b5bab71..c59dd35a6da5 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -5609,6 +5609,10 @@ static const char readme_msg[] =
 	"\t            [:name=histname1]\n"
 	"\t            [:<handler>.<action>]\n"
 	"\t            [if <filter>]\n\n"
+	"\t    Note, special fields can be used as well:\n"
+	"\t            common_timestamp - to record current timestamp\n"
+	"\t            common_cpu - to record the CPU the event happened on\n"
+	"\n"
 	"\t    When a matching event is hit, an entry is added to a hash\n"
 	"\t    table using the key(s) and value(s) named, and the value of a\n"
 	"\t    sum called 'hitcount' is incremented.  Keys and values\n"