linux-kernel - Re: linux-next: Signed-off-by missing for commit in the perf tree

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Date:   Wed, 6 Dec 2023 09:33:45 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Ian Rogers <irogers@...gle.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: Signed-off-by missing for commit in the perf tree

Em Wed, Dec 06, 2023 at 09:14:33AM +1100, Stephen Rothwell escreveu:
> Commit
 
>   08b953508560 ("perf evsel: Fallback to "task-clock" when not system wide")
 
> is missing a Signed-off-by from its author.

Thanks for the report, fixed, the issue was that Ian's S-o-B was after a

--- line and thus git-am chopped it up :-\

===============================================================================

When the cycles event isn't available evsel will fallback to the
cpu-clock software event. task-clock is similar to cpu-clock but only
runs when the process is running. Falling back to cpu-clock when not
system wide leads to confusion, by falling back to task-clock it is
hoped the confusion is less.

Pass the target to determine if task-clock is more appropriate. Update
a nearby comment and debug string for the change.

---
v2. Use target__has_cpu as suggested by Namhyung.
https://lpc.events/event/17/contributions/1556/

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/builtin-record.c |  2 +-
 tools/perf/builtin-stat.c   |  2 +-
 tools/perf/builtin-top.c    |  2 +-
 tools/perf/util/evsel.c     | 18 ++++++++++--------
 tools/perf/util/evsel.h     |  3 ++-
 5 files changed, 15 insertions(+), 12 deletions(-

--
===============================================================================

I'll check my pre-commit hooks to see why this didn't get flagged...

- Arnaldo