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authorRamkumar Ramachandra <artagnon@gmail.com>2014-03-04 05:26:36 +0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-03-15 01:08:41 +0400
commit09a71b97cce70551356b13b668aa1d7d6da84457 (patch)
tree47f628218b6a436fe565484a0a65360cd72c162d /tools/perf/builtin-kvm.c
parent94a0793ddf7fa9890006a8dc203b985e7b120785 (diff)
downloadlinux-09a71b97cce70551356b13b668aa1d7d6da84457.tar.xz
perf kvm: introduce --list-cmds for use by scripts
Introduce $ perf kvm --list-cmds to dump a raw list of commands for use by the completion script. In order to do this, introduce parse_options_subcommand() for handling subcommands as a special case in the parse-options machinery. Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Acked-by: David Ahern <dsahern@gmail.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: David Ahern <dsahern@gmail.com> Link: http://lkml.kernel.org/r/1393896396-10427-1-git-send-email-artagnon@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-kvm.c')
-rw-r--r--tools/perf/builtin-kvm.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index a7350519c63f..21c164b8f9db 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -1691,17 +1691,15 @@ int cmd_kvm(int argc, const char **argv, const char *prefix __maybe_unused)
OPT_END()
};
-
- const char * const kvm_usage[] = {
- "perf kvm [<options>] {top|record|report|diff|buildid-list|stat}",
- NULL
- };
+ const char *const kvm_subcommands[] = { "top", "record", "report", "diff",
+ "buildid-list", "stat", NULL };
+ const char *kvm_usage[] = { NULL, NULL };
perf_host = 0;
perf_guest = 1;
- argc = parse_options(argc, argv, kvm_options, kvm_usage,
- PARSE_OPT_STOP_AT_NON_OPTION);
+ argc = parse_options_subcommand(argc, argv, kvm_options, kvm_subcommands, kvm_usage,
+ PARSE_OPT_STOP_AT_NON_OPTION);
if (!argc)
usage_with_options(kvm_usage, kvm_options);