diff options
| author | Namhyung Kim <namhyung@kernel.org> | 2012-10-03 00:21:34 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-10-02 18:36:44 -0300 |
| commit | 4d8061faca7a50010f037374410f0c3647c3ecf8 (patch) | |
| tree | 820c67bbdd04d129826888aef56ddf18a6cd516e /tools/perf | |
| parent | 35c2fde1155cc7225361edf43d8efd0aabd28a0c (diff) | |
perf tools: Long option completion support for each subcommands
Add internal --list-opts option to print all of long option names to
stdout so that it can be used for bash completion engine.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1349191294-6926-4-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/bash_completion | 9 | ||||
| -rw-r--r-- | tools/perf/util/parse-options.c | 8 | ||||
| -rw-r--r-- | tools/perf/util/parse-options.h | 1 |
3 files changed, 16 insertions, 2 deletions
diff --git a/tools/perf/bash_completion b/tools/perf/bash_completion index bef06f0deeb5..5c355ababf80 100644 --- a/tools/perf/bash_completion +++ b/tools/perf/bash_completion @@ -33,8 +33,13 @@ _perf() fi # List possible events for -e option elif [[ $prev == "-e" && "${COMP_WORDS[1]}" == @(record|stat|top) ]]; then - cmds=$($cmd list --raw-dump) - COMPREPLY=( $( compgen -W '$cmds' -- "$cur" ) ) + evts=$($cmd list --raw-dump) + COMPREPLY=( $( compgen -W '$evts' -- "$cur" ) ) + # List long option names + elif [[ $cur == --* ]]; then + subcmd=${COMP_WORDS[1]} + opts=$($cmd $subcmd --list-opts) + COMPREPLY=( $( compgen -W '$opts' -- "$cur" ) ) # Fall down to list regular files else _filedir diff --git a/tools/perf/util/parse-options.c b/tools/perf/util/parse-options.c index 443fc116512b..2bc9e70df7e2 100644 --- a/tools/perf/util/parse-options.c +++ b/tools/perf/util/parse-options.c @@ -384,6 +384,8 @@ int parse_options_step(struct parse_opt_ctx_t *ctx, return usage_with_options_internal(usagestr, options, 1); if (internal_help && !strcmp(arg + 2, "help")) return parse_options_usage(usagestr, options); + if (!strcmp(arg + 2, "list-opts")) + return PARSE_OPT_LIST; switch (parse_long_opt(ctx, arg + 2, options)) { case -1: return parse_options_usage(usagestr, options); @@ -422,6 +424,12 @@ int parse_options(int argc, const char **argv, const struct option *options, exit(129); case PARSE_OPT_DONE: break; + case PARSE_OPT_LIST: + while (options->type != OPTION_END) { + printf("--%s ", options->long_name); + options++; + } + exit(130); default: /* PARSE_OPT_UNKNOWN */ if (ctx.argv[0][1] == '-') { error("unknown option `%s'", ctx.argv[0] + 2); diff --git a/tools/perf/util/parse-options.h b/tools/perf/util/parse-options.h index abc31a1dac1a..7bb5999940ca 100644 --- a/tools/perf/util/parse-options.h +++ b/tools/perf/util/parse-options.h @@ -140,6 +140,7 @@ extern NORETURN void usage_with_options(const char * const *usagestr, enum { PARSE_OPT_HELP = -1, PARSE_OPT_DONE, + PARSE_OPT_LIST, PARSE_OPT_UNKNOWN, }; |