linux-kernel - Re: [PATCH 28/35] perf intel-pt: Remove guest_machine

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Date:   Tue, 19 Jul 2022 18:12:28 -0700
From:   Ian Rogers <irogers@...gle.com>
To:     Adrian Hunter <adrian.hunter@...el.com>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Andi Kleen <ak@...ux.intel.com>, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org
Subject: Re: [PATCH 28/35] perf intel-pt: Remove guest_machine_pid

On Mon, Jul 11, 2022 at 2:33 AM Adrian Hunter <adrian.hunter@...el.com> wrote:
>
> Remove guest_machine_pid because it is not needed.
>
> Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>

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

Thanks,
Ian

> ---
>  tools/perf/util/intel-pt.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
> index 62b2f375a94d..014f9f73cc49 100644
> --- a/tools/perf/util/intel-pt.c
> +++ b/tools/perf/util/intel-pt.c
> @@ -194,7 +194,6 @@ struct intel_pt_queue {
>         struct machine *guest_machine;
>         struct thread *guest_thread;
>         struct thread *unknown_guest_thread;
> -       pid_t guest_machine_pid;
>         bool exclude_kernel;
>         bool have_sample;
>         u64 time;
> @@ -685,7 +684,7 @@ static int intel_pt_get_guest(struct intel_pt_queue *ptq)
>         struct machine *machine;
>         pid_t pid = ptq->pid <= 0 ? DEFAULT_GUEST_KERNEL_ID : ptq->pid;
>
> -       if (ptq->guest_machine && pid == ptq->guest_machine_pid)
> +       if (ptq->guest_machine && pid == ptq->guest_machine->pid)
>                 return 0;
>
>         ptq->guest_machine = NULL;
> @@ -705,7 +704,6 @@ static int intel_pt_get_guest(struct intel_pt_queue *ptq)
>                 return -1;
>
>         ptq->guest_machine = machine;
> -       ptq->guest_machine_pid = pid;
>
>         return 0;
>  }
> --
> 2.25.1
>