Merge v5.14-rc3 into usb-next

[linux-2.6-microblaze.git] / kernel / trace / trace.c

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index f8b80b5..c59dd35 100644 (file)
--- 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"