perf kmem: Allow -v option

Current perf kmem fails when -v option is used.  As it's very useful for
debugging, let's allow it.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Joonsoo Kim <js1304@gmail.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1426145571-3065-3-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

2 files changed, 6 insertions, 0 deletions

diff --git a/tools/perf/Documentation/perf-kmem.txt b/tools/perf/Documentation/perf-kmem.txt
index 7c8fbbf3f61c..150253cc3c97 100644
--- a/tools/perf/Documentation/perf-kmem.txt
+++ b/tools/perf/Documentation/perf-kmem.txt
@@ -25,6 +25,10 @@ OPTIONS
 --input=<file>::
         Select the input file (default: perf.data unless stdin is a fifo)
 
+-v::
+--verbose::
+        Be more verbose. (show symbol address, etc)
+
 --caller::
         Show per-callsite statistics
 
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index 1e69ea57a1cc..02b76976b288 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -663,6 +663,8 @@ int cmd_kmem(int argc, const char **argv, const char *prefix __maybe_unused)
         const char * const default_sort_order = "frag,hit,bytes";
         const struct option kmem_options[] = {
         OPT_STRING('i', "input", &input_name, "file", "input file name"),
+        OPT_INCR('v', "verbose", &verbose,
+                    "be more verbose (show symbol address, etc)"),
         OPT_CALLBACK_NOOPT(0, "caller", NULL, NULL,
                            "show per-callsite statistics", parse_caller_opt),
         OPT_CALLBACK_NOOPT(0, "alloc", NULL, NULL,