perf tools: Remove support for command aliases

This came from 'git', but isn't documented anywhere in
tools/perf/Documentation/, looks like baggage we can do without, ditch
it.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-e7uwkn60t4hmlnwj99ba4t2s@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 0 insertions, 13 deletions

diff --git a/tools/perf/builtin-help.c b/tools/perf/builtin-help.c
index 7ae238929e95..1eec96a0fa67 100644
--- a/tools/perf/builtin-help.c
+++ b/tools/perf/builtin-help.c
@@ -301,12 +301,6 @@ void list_common_cmds_help(void)
         }
 }
 
-static int is_perf_command(const char *s)
-{
-        return is_in_cmdlist(&main_cmds, s) ||
-                is_in_cmdlist(&other_cmds, s);
-}
-
 static const char *cmd_to_page(const char *perf_cmd)
 {
         char *s;
@@ -446,7 +440,6 @@ int cmd_help(int argc, const char **argv)
                 "perf help [--all] [--man|--web|--info] [command]",
                 NULL
         };
-        const char *alias;
         int rc;
 
         load_command_list("perf-", &main_cmds, &other_cmds);
@@ -472,12 +465,6 @@ int cmd_help(int argc, const char **argv)
                 return 0;
         }
 
-        alias = alias_lookup(argv[0]);
-        if (alias && !is_perf_command(argv[0])) {
-                printf("`perf %s' is aliased to `%s'\n", argv[0], alias);
-                return 0;
-        }
-
         switch (help_format) {
         case HELP_FORMAT_MAN:
                 rc = show_man_page(argv[0]);