Re: [PATCH 24/41] perf tools: Add cpu to struct thread

From: Arnaldo Carvalho de Melo
Date: Tue Jul 15 2014 - 10:24:51 EST


Em Mon, Jul 14, 2014 at 01:02:48PM +0300, Adrian Hunter escreveu:
> Tools may wish to track on which cpu a thread
> is running. Add 'cpu' to struct thread for
> that purpose.
>
> This will be used to determine the cpu when
> decoding a per-thread Instruction Trace.

Humm, is this the last cpu we got some event telling the cpu was running
on? Continuing looking at the patches...

- Arnaldo

> Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
> ---
> tools/perf/util/thread.c | 1 +
> tools/perf/util/thread.h | 1 +
> 2 files changed, 2 insertions(+)
>
> diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
> index b9a3ee4..2f8c0c1 100644
> --- a/tools/perf/util/thread.c
> +++ b/tools/perf/util/thread.c
> @@ -69,6 +69,7 @@ struct thread *thread__new(pid_t pid, pid_t tid)
> thread->pid_ = pid;
> thread->tid = tid;
> thread->ppid = -1;
> + thread->cpu = -1;
> INIT_LIST_HEAD(&thread->comm_list);
>
> comm_str = malloc(32);
> diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
> index b4269af..e4920ff 100644
> --- a/tools/perf/util/thread.h
> +++ b/tools/perf/util/thread.h
> @@ -17,6 +17,7 @@ struct thread {
> pid_t pid_; /* Not all tools update this */
> pid_t tid;
> pid_t ppid;
> + int cpu;
> char shortname[3];
> bool comm_set;
> bool dead; /* if set thread has exited */
> --
> 1.8.3.2
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