Re: [PATCH 14/35] perf tools: Use sample->machine_pid to find guest machine

Ian Rogers
2022-07-20T00:37:58Z

On Mon, Jul 11, 2022 at 2:33 AM Adrian Hunter <adrian.hunter@intel.com> wrote:
>
> If machine_pid is set, use it to find the guest machine.
>
> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>

Acked-by: Ian Rogers <irogers@google.com>

Thanks,
Ian

> ---
> tools/perf/util/session.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
> index 91a091c35945..f3e9fa557bc9 100644
> --- a/tools/perf/util/session.c
> +++ b/tools/perf/util/session.c
> @@ -1418,7 +1418,9 @@ static struct machine *machines__find_for_cpumode(struct machines *machines,
> (sample->cpumode == PERF_RECORD_MISC_GUEST_USER))) {
> u32 pid;
>
> - if (event->header.type == PERF_RECORD_MMAP
> + if (sample->machine_pid)
> + pid = sample->machine_pid;
> + else if (event->header.type == PERF_RECORD_MMAP
> || event->header.type == PERF_RECORD_MMAP2)
> pid = event->mmap.pid;
> else
> --
> 2.25.1
>