Re: [PATCH v3 6/9] perf c2c: Support AUX trace

Jiri Olsa
2020-10-31T20:22:55Z

On Wed, Oct 28, 2020 at 02:38:10PM +0800, Leo Yan wrote:
> This patches adds the AUX callbacks in session structure, so support
> AUX trace for "perf c2c" tool.
>
> Signed-off-by: Leo Yan <leo.yan@linaro.org>
> ---
> tools/perf/builtin-c2c.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
> index 4d1a08e38233..24f4af997aab 100644
> --- a/tools/perf/builtin-c2c.c
> +++ b/tools/perf/builtin-c2c.c
> @@ -369,6 +369,10 @@ static struct perf_c2c c2c = {
> .exit = perf_event__process_exit,
> .fork = perf_event__process_fork,
> .lost = perf_event__process_lost,
> + .attr = perf_event__process_attr,
> + .auxtrace_info = perf_event__process_auxtrace_info,
> + .auxtrace = perf_event__process_auxtrace,
> + .auxtrace_error = perf_event__process_auxtrace_error,

so this will process aux data, but don't you have to
say which events you want to synthesize?

like in script/report via --itrace option?

aybe arm differs from x86 in this, and it's happening
in the background.. I have no idea ;-)

jirka

> .ordered_events = true,
> .ordering_requires_timestamps = true,
> },
> --
> 2.17.1
>