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authorTobin C. Harding <tobin@kernel.org>2019-03-05 15:49:10 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-03-05 21:07:20 -0800
commitb2f0246d69c0cc909f64469c9117a9616758d9fc (patch)
treed05111179bd4a881073bf606b31964dbb6a9942e /tools
parent3c89ff9aedead8ac48ed8bcd1ad8eb66ba6bd219 (diff)
downloadlinux-b2f0246d69c0cc909f64469c9117a9616758d9fc.tar.gz
tools/vm/slabinfo: clean up usage menu debug items
Attempt to make the usage comment for debug options a little cleaner.

Link: http://lkml.kernel.org/r/20190212001219.27769-5-tobin@kernel.org
Signed-off-by: Tobin C. Harding <tobin@kernel.org>
Acked-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'tools')
-rw-r--r--tools/vm/slabinfo.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/tools/vm/slabinfo.c b/tools/vm/slabinfo.c
index 97715b73af70..73818f1b2ef8 100644
--- a/tools/vm/slabinfo.c
+++ b/tools/vm/slabinfo.c
@@ -114,7 +114,6 @@ static void usage(void)
 		"-a|--aliases           Show aliases\n"
 		"-A|--activity          Most active slabs first\n"
 		"-B|--Bytes             Show size in bytes\n"
-		"-d<options>|--debug=<options> Set/Clear Debug options\n"
 		"-D|--display-active    Switch line format to activity\n"
 		"-e|--empty             Show empty slabs\n"
 		"-f|--first-alias       Show first alias\n"
@@ -136,14 +135,17 @@ static void usage(void)
 		"-1|--1ref              Single reference\n"
 		"-X|--Xtotals           Show extended summary information\n"
 
-		"\nValid debug options (FZPUT may be combined)\n"
-		"a / A          Switch on all debug options (=FZUP)\n"
-		"-              Switch off all debug options\n"
-		"f / F          Sanity Checks (SLAB_CONSISTENCY_CHECKS)\n"
-		"z / Z          Redzoning\n"
-		"p / P          Poisoning\n"
-		"u / U          Tracking\n"
-		"t / T          Tracing\n"
+		"\n"
+		"-d  | --debug          Switch off all debug options\n"
+		"-da | --debug=a        Switch on all debug options (--debug=FZPU)\n"
+
+		"\n"
+		"-d[afzput] | --debug=[afzput]\n"
+		"    f | F              Sanity Checks (SLAB_CONSISTENCY_CHECKS)\n"
+		"    z | Z              Redzoning\n"
+		"    p | P              Poisoning\n"
+		"    u | U              Tracking\n"
+		"    t | T              Tracing\n"
 	);
 }