On Wed, Apr 08, 2015 at 12:49:19PM +0800, He Kuang wrote:
> Show message when errors occurred during ctf conversion setup.
> 
> Before this patch:
>   $ ./perf data convert --to-ctf=ctf
>   $ echo $?
>   255
> 
> After this patch:
>   $ ./perf data convert --to-ctf=ctf
>   Error during CTF convert setup.

so I have like 5 more patches from the original CTF set
which I'm holding until all works with tracecompass:
  http://marc.info/?l=linux-kernel&m=142736197610573&w=2

Is it working for you? How do you test resulted CTF data?

anyway the patch looks ok, just small nit below

> 
> Signed-off-by: He Kuang <heku...@huawei.com>
> ---
>  tools/perf/util/data-convert-bt.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/perf/util/data-convert-bt.c 
> b/tools/perf/util/data-convert-bt.c
> index dd17c9a..a5b89b9 100644
> --- a/tools/perf/util/data-convert-bt.c
> +++ b/tools/perf/util/data-convert-bt.c
> @@ -847,11 +847,15 @@ int bt_convert__perf2ctf(const char *input, const char 
> *path, bool force)
>               (double) c.events_size / 1024.0 / 1024.0,
>               c.events_count);
>  
> -     /* its all good */
> -free_session:
>       perf_session__delete(session);
> +     ctf_writer__cleanup(cw);
> +

this leg can also fail due to:

        err = perf_session__process_events(session);
        if (!err)
                err = bt_ctf_stream_flush(cw->stream);


so we might want to inform about that like:
        if (err)
                pr_err("Error during conversion.\n");


thanks,
jirka

> +     return err;
>  
> +free_session:
> +     perf_session__delete(session);
>  free_writer:
>       ctf_writer__cleanup(cw);
> +     pr_err("Error during CTF convert setup.\n");
>       return err;
>  }
> -- 
> 2.3.3.220.g9ab698f
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