[master] d282ee9 Some varnishtop -f coverage

[Dridi Boukelmoune]

commit d282ee9279d10cb71d528a35119260701d82e8dc
Author: Dridi Boukelmoune <dridi.boukelmoune at gmail.com>
Date:   Tue May 22 14:02:10 2018 +0200

    Some varnishtop -f coverage

diff --git a/bin/varnishtest/tests/u00004.vtc b/bin/varnishtest/tests/u00004.vtc
index 28d58eb..71ca1f6 100644
--- a/bin/varnishtest/tests/u00004.vtc
+++ b/bin/varnishtest/tests/u00004.vtc
@@ -15,6 +15,16 @@ client c1 {
 shell -expect "fetch" "varnishtop -n ${v1_name} -1"
 shell -expect "fetch" "varnishtop -n ${v1_name} -d"
 
+# without -f
+shell -match "1\\.00 RespHeader Date: [^\\n]+\\n" {
+	varnishtop -n ${v1_name} -1 -i RespHeader
+}
+
+# with -f
+shell -match "1\\.00 RespHeader Date\\n" {
+	varnishtop -n ${v1_name} -1 -f -i RespHeader
+}
+
 shell -match "Usage: .*varnishtop <options>" \
 	"varnishtop -h"
 shell -expect "Copyright (c) 2006 Verdens Gang AS" \
diff --git a/bin/varnishtop/varnishtop_options.h b/bin/varnishtop/varnishtop_options.h
index dcad737..ebf8912 100644
--- a/bin/varnishtop/varnishtop_options.h
+++ b/bin/varnishtop/varnishtop_options.h
@@ -40,7 +40,9 @@
 #define TOP_OPT_f							\
 	VOPT("f", "[-f]", "First field only",				\
 	    "Sort and group only on the first field of each log entry."	\
-	    " This is useful when displaying e.g. stataddr entries,"	\
+	    " For log entries in the form ``prefix: value`` it is the"	\
+	    " prefix without the colon that is sorted and grouped."	\
+	    " This is useful when displaying e.g. ReqStart entries,"	\
 	    " where the first field is the client IP address."		\
 	)