Re: [PATCH] perf report: Add 'tgid' sort key

[Ian Rogers]

On Wed, Feb 5, 2025 at 4:01 PM Namhyung Kim <namhyung@xxxxxxxxxx> wrote:
>
> Sometimes we need to analyze the data in process level but current sort
> keys only work on thread level.  Let's add 'tgid' sort key for that as
> 'pid' is already taken for thread.
>
> This will look mostly the same, but it only uses tgid instead of tid.
> Here's an example of a process with two threads (thloop).
>
>   $ perf record -- perf test -w thloop
>
>   $ perf report --stdio -s tgid,pid -H
>   ...
>   #
>   #    Overhead  Tgid:Command / Pid:Command
>   # ...........  ..........................
>   #
>      100.00%     2018407:perf
>          50.34%     2018407:perf
>          49.66%     2018409:perf
>
> Suggested-by: Stephane Eranian <eranian@xxxxxxxxxx>
> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>

Reviewed-by: Ian Rogers <irogers@xxxxxxxxxx>

Thanks,
Ian