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authorTobin C. Harding <tobin@kernel.org>2019-03-06 00:49:10 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2019-03-06 06:07:20 +0100
commitb2f0246d69c0cc909f64469c9117a9616758d9fc (patch)
treed05111179bd4a881073bf606b31964dbb6a9942e /tools/vm/slabinfo.c
parenttools/vm/slabinfo: align usage output columns (diff)
downloadlinux-b2f0246d69c0cc909f64469c9117a9616758d9fc.tar.xz
linux-b2f0246d69c0cc909f64469c9117a9616758d9fc.zip
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/vm/slabinfo.c')
-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"
);
}