Add a line for the log2 modifier, to keep it aligned with
tracing/README.

Signed-off-by: Tom Zanussi <tom.zanu...@linux.intel.com>
---
 Documentation/trace/histogram.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/trace/histogram.txt 
b/Documentation/trace/histogram.txt
index b2145f4..a4143f04a 100644
--- a/Documentation/trace/histogram.txt
+++ b/Documentation/trace/histogram.txt
@@ -73,6 +73,7 @@
        .sym-offset display an address as a symbol and offset
        .syscall    display a syscall id as a system call name
        .execname   display a common_pid as a program name
+       .log2       display log2 value rather than raw number
 
   Note that in general the semantics of a given field aren't
   interpreted when applying a modifier to it, but there are some
-- 
1.9.3

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