Re: [PATCH] perf data: don't mention --to-ctf if it's not supported

From: Jiri Olsa
Date: Mon Feb 21 2022 - 16:14:40 EST


On Sun, Feb 20, 2022 at 01:39:52PM +0200, Mahmoud Abumandour wrote:
> From: Mahmoud Mandour <ma.mandourr@xxxxxxxxx>
>
> The option `--to-ctf` is only available when perf has libbabeltrace
> support. Hence, on error, we shouldn't state that user must include
> `--to-ctf` unless it's supported.
>
> The only user-visible change for this commit is that when `perf` is not
> configured to support libbabeltrace, the user is only prompted to
> provide the `--to-json` option instead of bothe `--to-json` and
> `--to-ctf`.
>
> Signed-off-by: Mahmoud Mandour <ma.mandourr@xxxxxxxxx>

Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx>

thanks,
jirka

> ---
> tools/perf/builtin-data.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/tools/perf/builtin-data.c b/tools/perf/builtin-data.c
> index b7f9dc85a407..c22d82d2a73c 100644
> --- a/tools/perf/builtin-data.c
> +++ b/tools/perf/builtin-data.c
> @@ -62,10 +62,17 @@ static int cmd_data_convert(int argc, const char **argv)
> pr_err("You cannot specify both --to-ctf and --to-json.\n");
> return -1;
> }
> +#ifdef HAVE_LIBBABELTRACE_SUPPORT
> if (!to_json && !to_ctf) {
> pr_err("You must specify one of --to-ctf or --to-json.\n");
> return -1;
> }
> +#else
> + if (!to_json) {
> + pr_err("You must specify --to-json.\n");
> + return -1;
> +}
> +#endif
>
> if (to_json)
> return bt_convert__perf2json(input_name, to_json, &opts);
> --
> 2.30.2
>