X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=Documentation%2Fgcov.txt;h=7b727783db7ed4f87a7c68b44b52054c62f48e85;hb=36be84ba44fbd0f5a552719835bdf8ac46e83e7a;hp=e7ca6478cd93d4e6422d1ae92455b347dbdf7ccb;hpb=7cc88fdcff3cc7f0d5d2384ffd7f6d4ce9a745f1;p=firefly-linux-kernel-4.4.55.git

diff --git a/Documentation/gcov.txt b/Documentation/gcov.txt
index e7ca6478cd93..7b727783db7e 100644
--- a/Documentation/gcov.txt
+++ b/Documentation/gcov.txt
@@ -50,6 +50,10 @@ Configure the kernel with:
         CONFIG_DEBUG_FS=y
         CONFIG_GCOV_KERNEL=y
 
+select the gcc's gcov format, default is autodetect based on gcc version:
+
+        CONFIG_GCOV_FORMAT_AUTODETECT=y
+
 and to get coverage data for the entire kernel:
 
         CONFIG_GCOV_PROFILE_ALL=y