perf buildid-cache: Update help text for purge command

Clarify the perf buildid-cache help text for the purge operation.  The
purge subcommand takes a list of files (binaries) as option parameter.
Make the wording the same as for the add and remove operation.

Signed-off-by: Thomas-Mich Richter <tmricht@linux.vnet.ibm.com>
Reviewed-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
LPU-Reference: 20171107144853.12925-1-tmricht@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c
index 3d354ba6e9c59884ebed61b2ba512b42e0d9359a..41db2cba77eb96d4620982e1754e0b182b175e13 100644 (file)
--- a/tools/perf/builtin-buildid-cache.c
+++ b/tools/perf/builtin-buildid-cache.c
@@ -325,8 +325,8 @@ int cmd_buildid_cache(int argc, const char **argv)
                   "file", "kcore file to add"),
        OPT_STRING('r', "remove", &remove_name_list_str, "file list",
                    "file(s) to remove"),
-       OPT_STRING('p', "purge", &purge_name_list_str, "path list",
-                   "path(s) to remove (remove old caches too)"),
+       OPT_STRING('p', "purge", &purge_name_list_str, "file list",
+                   "file(s) to remove (remove old caches too)"),
        OPT_STRING('M', "missing", &missing_filename, "file",
                   "to find missing build ids in the cache"),
        OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),